Torque Bolts LLC is the leading wholesale distributor of fasteners ideally located in heart of the Sharjah. Designed for use in wood with carriage bolts or other similar bolts. Designed for use with square-neck bolts such as carriage bolts, these washers have teeth that dig into wood and other soft material to prevent rotation. Add. Get it as soon as Wed, Dec 2. When the reading matches the proper torque required for your assembly, the bolt and washer are … The washer also provides a smooth bearing surface and distributes the fastening load, preventing embedment in the soft material and the splitting and loss of holding power that can result. By living CBN’s value , we have built a reputation as a company with the largest distributor and stockist of high tensile steel, stainless steel, torque-controlled, friction-grip etc fasteners such bolts and nuts around Malaysia. | Industrial steel carriage bolt products are manufactured for applications that require a bolt that resists turning when the nut is tightened or removed. Torque Washer: A stamped steel washer with square hole intended for the insertion of a carriage bolt’s square shoulder and has four prongs to embed into the wood surface.The Torque Washer is most commonly used when fastening in very soft wood where a carriage bolt’s square shank may spin during tightening … Available in wide variety of … Carriage Bolts and Lag Bolts 3-7 Square Bolts 3-8 Step Bolts and Countersunk Head Elevator Bolts 3-9 ... Prevailing-Torque Type Steel Hex and Hex Flange Nuts 8-4 to 8-5 ANCO Self-Locking Nuts 8-6 ... Self-Locking Fasteners 10-1 to 10-3 U-Bolts and Eye Bolts Anchor Bolts & Bent Bolts 11-1 A-Bolts, Standard 11-2 U-Bolts… They’re zinc-plated steel for corrosion resistance in wet environments.. For technical drawings and 3-D models, click on a part number. Everbilt's Rust Defender Torque Washers have square holes that are designed for use with a carriage bolt. Carriage bolt washers. Buy bolts, nuts, washers, and other fasteners online! FEATURES: 18 ga. Zinc-plate. Coach bolts are very versatile, and due to being heavy-duty they are ideal for fixing timber and wood. B7 fasteners are tempered at a higher temperature, 1100° F minimum, while Grade 5 bolts are tempered at 800° F minimum. Torque Washers. 浙公网安备 33010002000092号 May 23, 2016 The Benefits of Torque Washers. Carriage bolt washers. Torque Bolts LLC is a Team of professionals who are specialists in Fastener industry for more than 15 years. The Bolt Torque & Preload calculator can be used to calculate the torque required to achieve the desired preload on a bolted joint. Reply. Because they are used with wood, carriage bolts are rarely high strength and virtually always supplied in a standard ASTM … 4 prongs that bite into the lumber to prevent spinning, and a central, square hole for the carriage … WCL has 50 years of experience with all types of standard and engineered fasteners, and provides a comprehensive line of fastener products … They are stamped from a single metal sheet to prevent breakage. Features: Replaces 1 rectangular washer for Thule Ride-On adapter Fits between the carriage bolt head and the clamp-on base Specs: Application: Thule Ride-On Adapter (TH532). 1/6. Flat washers in the 900 series are round and thinner than a standard flat washer with a smaller inside and outside diameter. You will likely find these bolts in wooden applications in carpentry, allowing you to attach metal to wood. Fastener Drives Place the torque wrench over the head of the bolt, and turn it until the torque wrench pops and gives you a reading. Inch washers for a variety of industrial applications including flat washers, fender washers and lock washers. Torque Bolts LLC is a Team of professionals who are specialists in Fastener industry for more than 15 years. As the washer is fixed in place, the square shouldered bolt is prevented from rotating. The square-holed washer is designed for use with a carriage bolt. - 1,908 carriage bolt washer products are offered for sale by suppliers on Alibaba.com, of which bolts accounts for 10%, washers accounts for 2%. of the bolt proof loads specified for SAE J-429 Grade 8, and ASTM A-354 Grade BD bolts. Carriage bolt washers. Carriage bolts have round heads, differentiating them from hex bolts. Styles include: Round Head Square Neck, Round Head Short Neck, … Coach bolts are very versatile, and due to being heavy-duty they are ideal for fixing … Shop Online Our Collection Of Quality Fasteners In Any Quantity! | Country Search Search They’re zinc-plated steel for corrosion resistance in wet environments.. For technical drawings and 3-D models, click on a part number. Also called tri-loc. If after several tries the bolt still won't fit, substitute the torque washer for a 1/2" washer. Home > Shop > Inch Fasteners > Carriage & Plow Bolts > Carriage Bolts. A torque washer is a type of washer designed for use in a soft, penetrable material in which a bolt would probably not be able to stay fastened tightly inside. BOX DISCOUNT - Buy a full box and get a discounted price. A carriage bolt has a square shoulder under a rounded head which resists turning when the nut is tightened or removed. When you drill a hole through material sized for the bolt, the head of the bolt will remain in place while you tighten the fastener onto the material. AS9100 - ISO9001    Check us out on Facebook! Alibaba.com Site: International - Español - Português - Deutsch - Français - Italiano - हिंदी - Pусский - 한국어 - 日本語 - اللغة العربية - ภาษาไทย - Türk - Nederlands - tiếng Việt - Indonesian - עברית, AliExpress The design of carriage bolts allows you to install the fastener without a helping hand. Preferred for strong carriage bolt joints Torque washers increase the bearing area under a carriage bolt?s head, and prevent it from spinning as it is tightened. Carriage bolts, Hot dipped galvanized steel, 1/2"-13 x 18" Important Note: ... A style of prevailing torque lock nut. In the cases where the carriage bolt head was directly on the wood there was also sinking. A complete line of unique square-holed Torque Washers is now available from WCL Company. Screws, Nuts, Bolts & Washers Zinc or Stainless Steel, Available in Imperial or Metric measure. BOX DISCOUNT - Buy a full box and get a discounted … The washers have 4 bent prongs to allow it to be embedded into wood, plywood and other ductile materials. US $0.01-$0.50 / Piece. WCL Company specializes in reliable low-cost, engineered high-performance fasteners, fittings, plastic components, washers, nuts, and a wide array of fastener components. Ordering Examples: #TW-0500-STL-ZN1 (1/2″ Steel with Zinc Clear Finish) #TW-0500-SS (1/2″ Stainless Steel, Passivated), WCL Quality and Purchase Order Provisions, Stem Bumpers – Domed Head & Domed Head Split, Grounding Support – Printed Circuit Board, Male (Type 1), Female (Type 1) & Threaded-Right through (Type 2), Cross-Head Screw Protective Fastener Caps, Reducers – Adjusters – Collars & Connectors, Pine Tree Clips® – Removable, Non-Reusable & Reusable, Plasti-Rivets® – Three & Four Prong (Non-Driven), Nylon Flanged Bearings With Locking Notch, Available Diameters & Lengths – Nylon Machine Screws, Cheese Head, Flat & Pan Nylon Metric Screws, Phillips Fillister / Slotted Set Grub / Nylon Metric, Screw and Washer Assemblies (SEMS Screws), External Tooth and Internal Washer Sems Assemblies, Square Cone® Washer (Square Dome) Sems Assemblies – Specifications, Square Cone (Square Dome) Washer Sems Assemblies – Stocked Standards, Thread Forming and Thread Cutting Fasteners for Standard Panel And Component Thickness, TAPTITE® I and TAPTITE® II Thread Forming Screws, Screws for Plastics and Other Low Density Materials, Hi-Lo® & Hi-Lo Plus™ Fasteners – Stocked Standards, Nut and Washer Assemblies – Keps® Pre-Assembled Nuts & Washers, Cone Type (Spiracone™ ) & Twin Prong Spring Nuts, Stamped Nut Part Number Cross Reference Listings, General Helical Spring Split Lock Washer Information, Regular Helical Spring Split Lock Washers, Regular Helical Spring Split Lock Washers (Mil-Spec), Heavy Helical Spring Split Lock Washers (Mil-Spec), Extra Duty (Extra Heavy) Helical Spring Split Lock Washers, Extra Duty (Extra Heavy) Helical Spring Split Lock Washers (Mil-Spec), Hi-Collar Helical Spring Split Lock Washers, High Alloy Helical Spring Split Lock Washers, Double Coil Helical Spring Split Lock Washers, External Type Lock Washers (Standard & Mil-Spec), Internal Type Lock Washers (Standard & Mil-Spec), Heavy Duty Internal Type Lock Washers (Standard & Mil-Spec), Countersunk Type Lock Washers (Standard & Mil-Spec), External-Internal Type Lock Washers (Standard & Mil-Spec), High Strength – Heat Treated, Plain & Countersunk Washers Washers, Thermoplastic Nylon Flat Washers & Spacers, Thermoplastic PTFE/polytetrafluoroethene Flat Washers, Standard Internal Retainers & Style A Retainers, Belleville Disc Washer Description, Design Considerations & Load/Deflection Data. | Suppliers The finished square hole in the washer mates with the square shoulder of the carriage bolt preventing the rotation of the washer, making the washer self-retaining. Intellectual Property Protection 1000 Pieces (Min Order) Shanghai G&T Industry Co., Ltd. Teeth or prongs on the washer bite into the wood, preventing the bolt from spinning freely when a nut is being tightened. In the cases where the carriage bolt head was directly on the wood there was also sinking. A carriage bolt has a square shoulder under a rounded head which resists turning when the nut is tightened or removed. These washers are rings which are split at one … - User Information Legal Enquiry Guide, © 1999-2021 Alibaba.com. Place the torque washer/carriage bolt assembly in the location desired and use a hammer to set. They’re zinc-plated steel for corrosion resistance in wet environments. Contact Value Fasteners for more information regarding our industrial coach bolts today. They are good for wood-to-wood connections when the head may not be accessible for tightening. That is how I got to 15 ft-lbs on all of them without significant sinking. This part replaces 1 rectangular washer for your Thule Ride-On adapter. Since fasteners can be made from different materials ranging from soft metals to heat-treated hardened ones, the torque that can be applied to the fastener will depend on the material the fastener is made out of. Rob Munach, a structural engineer in Carrboro, N.C., explains the difference between the two and when a carriage bolt won't do the job. Some of the country's finest fastening and packaging distributors have come together to form SouthernCarlson, Inc. - a leading distributor of the most recognized brands of construction and packaging machines, tools and supplies in the industry. The washer fits between the carriage bolt head and the base of the Ride-On clamp-on assembly. Product Filter. 1000 Boxes (Min Order) Zhejiang Yichen Hardware Corp. CN 1 YRS. Made of zinc-plated steel. Add. | Showroom of the bolt proof loads specified for SAE J-429 Grade 5, and ASTM A-449 bolts. You can also use a torque washer. Tightening Torque Guide for Grade 5 & 8 Hex Cap Screws This table is based on IFI 5th Edition Technical Data N-12/N-16, using Equation (1) and a torque coefficient, K=0.20 for non plated steel fasteners and K=0.15 for plated fasteners. SNUG Fasteners Ten (10) 1/4-20 x 2 Long Carriage Bolts Set w/Nuts & Washers (SNG283) 4.8 out of 5 stars 32. Carriage Bolts. Torque washer Used in woodworking in combination with a carriage bolt; it has a square hole in the centre into which the carriage bolt square fits. Alipay And especially if you move around a lot to take apart? In our large range of bolts, we have coach bolts and roofing bolts. Split ring lock washers are used to prevent nuts, bolts and screws from vibrating loose. We also stock washer packs ideal for big projects. The square neck under the round head will seat into the hole in the wood to prevent the head from turning. Special washer with a square hole. Also available soon are 5/8″ and 3/4″ square hole with a 1-3/4″ O.D. Torque Bolts LLC is the leading wholesale distributor of fasteners ideally located in heart of the Sharjah. Thule; Hardware; Roof Rack Square ID hole washers are used on square neck carriage bolts and square shafts. Size Recommended Torque; Grade 2 Grade 5 Grade 8 18-8 S/S Bronze Brass; Coarse Fine Coarse Fine Coarse Fine Coarse Fine Coarse Fine Coarse Fine #4*--- … Find anti-turn washers at Lowe's today. Property Class M3 M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M22 8.8 0.80 1.8 3.6 7 17 33 60 97 150 201 282 390 10.9 1.1 2.6 5.1 10 25 48 85 137 208 287 398 552 12.9 1.3 3.1 6.2 12 29 … They serve several purposes, to increase the head diameter of the carriage bolt to 1”, spreading the head load over a much larger area and preventing the bolt from twisting during tightening. For example, an aluminum bolt will not be able to take nearly as much torque as a Grade 8 bolt. Taobao Global Torque washers are designed to combat bolts loosening over time in the following ways: Four prongs that dig into the material, anchoring the bolt in place. The square neck under the round head will seat into the hole in the wood to prevent the head from turning. | Loved the info. These highly useful bolts are available in a numerous materials and sizes. Hexagon Prevailing Torque Nut 8, all metal with lock clip Zinc flake; Hexagon Prevailing Torque Nut 8, all metal DIN 980 BZP; Hexagon Prevailing Torque Nut, all metal A2 ... Bolts, nuts, washers / Carriage bolts; Carriage bolts Product Filter . Jennifer July 21, 2017 at 11:08 am. We are one of the largest stockiest and wholesale … Torque Washers. So my quesion is, how much torque should I use and is 10-15 ft-lbs acceptable? 99. A hardened steel bolt 8.8, when stressed at 60,000 psi, will elongate approximately .002" per inch of effective length. 1688.com Square-Neck Bolt Lock Washers Designed for use with square-neck bolts such as carriage bolts, these washers have teeth that dig into wood and other soft material to prevent rotation. FREE Shipping on orders over $25 shipped by Amazon. 877.844.8595 Products Request A Quote Online Store View Cart. Torque Washer: A stamped steel washer with square hole intended for the insertion of a carriage bolt’s square shoulder and has four prongs to embed into the wood surface.The Torque Washer is most commonly used when fastening in very soft wood where a carriage bolt’s square shank may spin during tightening or loosening of the nut. Onetouch Torque Washers. Prongs increase the surface area contact between the mating surface, washer, and bolt. US $1.20-$1.40 / Box. Carriage bolt washers feature square holes that allow for a fairly tight fit, as opposed to a round hole that would need to be much larger to slip over the corners of the square parts with which they’re assembled. To remedy that on the 1/2" bolts I used the 5/8" washers to provide greater surface. Shop 900 Series Flat Washers. The longer the effective length of the bolt, the more it can stretch. Designed for use with square-neck bolts such as carriage bolts, these washers have teeth that dig into wood and other soft material to prevent rotation. Some of the country's finest fastening and packaging distributors have come together to form SouthernCarlson, Inc. - a leading distributor of the most recognized brands of construction and packaging machines, tools and supplies in the industry. Carriage bolts (round head with a square neck) are commonly used in wood connections. Size Recommended Torque; Grade 2 Grade 5 Grade 8 18-8 S/S Bronze Brass; Coarse Fine Coarse Fine Coarse Fine Coarse Fine Coarse Fine Coarse Fine #4*-----5.2-4.8-4.3 Industrial steel carriage bolt products are manufactured for applications that require a bolt that resists turning when the nut is tightened or removed. These highly useful bolts are available in a numerous materials and sizes. $0.26 each $9.38 / 50 $82.50 / 500. lbs.) These washers are used where non-rotation between the washer and surface is required. We are one of the largest stockiest and wholesale distributors of fasteners in UAE & the Middle East. They serve several purposes, to increase the head diameter of the carriage bolt to 1”, spreading the head load over a much larger area and preventing the bolt from twisting during tightening. Made of zinc-plated steel. and a 1/2″ square hole washer with a 1-3/4″ O.D. Special washer with a square hole. WCL has 50 years of experience with all types of standard and engineered fasteners, and provides a comprehensive line of fastener products for sale from some of the world’s leading manufacturers. Four bent prongs on the washer can be embedded in wood, plywood and other ductile materials, making the washer self-retaining during assembly. $0.26 each $9.38 / 50 $82.50 / 500. Carriage bolts, Hot dipped galvanized steel, 1/2"-13 x 18" Important Note: ... A style of prevailing torque lock nut. 5.0 (1) Contact Supplier. Torque Washers 3/8” Torque washers made to be used with 3/8” carriage bolts. We have spring washers, penny and heavy washers available in various sizes, so they are suitable for a variety of uses. Prevents carriage bolt from spinning when nut is tightened. - Find what you have been looking for! Filter. 4 prongs that bite into the lumber to prevent spinning, and a central, square hole for the carriage bolt under-head square nut. 877.844.8595 Products Request A Quote Online Store View Cart. The finished square hole in the washer mates with the square shoulder on the carriage bolt. - Contact Value Fasteners for more information regarding our industrial coach bolts … That is how I got to 15 ft-lbs on all of them without significant sinking. As an anchor fasteners distributor & stockist, Syarikat Central Bolts & Nuts Sdn. Add. FEATURES: 18 ga. Zinc-plate. Privacy Policy nuts equal 75% . All rights reserved. Would the carriage bolts be best to use for a dinning room table when putting the legs on? Preferred for strong carriage bolt joints Torque washers increase the bearing area under a carriage bolt?s head, and prevent it from spinning as it is tightened. They are good for wood-to-wood connections when the head may not be accessible for tightening. Search Lock Washers - Split Ring. So my quesion is, how much torque should I use and is 10 … For technical drawings and 3 … Metallic Torque Washers Line A complete line of unique square-holed Torque Washers is now available from WCL Company. Below the half-round head of a carriage bolt sits a squared shoulder. 2990: USS flat washers, Hot dipped galvanized steel, 1/2" USS pattern is the most common type of flat washer. 浙B2-20120091. | Affiliate, Product Listing Policy Add. Carriage bolt washers. | WCL stocks Torque Washers with square inside diameters of 1/4″, 5/16″ and 3/8″ in a 1″ O.D. By Diameter and Material (Torque Values In Ft. Prevents carriage bolt from spinning when nut is tightened. We also stock washer packs ideal for big projects. Fasteners & Industrial Supply ISO 9001:2015 & AS9100D Certified. This means that Grade 5 fasteners cannot be used in applications where the temperature can surpass about 450° F due to the re-tempering effects that they may encounter while the B7 fasteners … Because they are used with wood, carriage bolts are rarely high strength and virtually always supplied in a standard ASTM A307 specification. WCL Company specializes in reliable low-cost, engineered high-performance fasteners, fittings, plastic components, washers, nuts, and a wide array of fastener components. Reply. They’re zinc-plated steel for corrosion resistance in wet environments.. For technical drawings and 3-D models, click on a part number. Also called tri-loc. A long bolt can, therefore, be a very effective spring and, like a spring when stretched, it attempts to return to its … Lazada, Browse Alphabetically: Torque Washers are formed with sharp prongs to sink into the mating surface. We have spring washers, penny and heavy washers available in various sizes, so they are suitable for a variety of uses. Torque Washers 3/8”. IFI-100 does not . Designed for use in wood with carriage bolts or other similar bolts. In our large range of bolts, we have coach bolts and roofing bolts. Carriage bolts (round head with a square neck) are commonly used in wood connections. Description. See the reference section for details on the methodology and the equations used. Bolts stretch under load. above 1". In this Q & A, a reader wants to know if there a difference in the strength of a like-size carriage bolt compared to a machine bolt with washer. Torque Bolts LLC is a Team of professionals who are specialists in Fastener industry for more than 15 years. Torque washers made to be used with 3/8” carriage bolts. Electronic Component types of carriage bolts tractor supply torque washers for. To remedy that on the 1/2" bolts I used the 5/8" washers to provide greater surface. Buy the quantity you need. Fasteners & Industrial Supply ISO 9001:2015 & AS9100D Certified. M3 Din603 And Nut Torque Washer Flat Head Carriage Bolt. A wide variety of carriage bolt washer options are available to … $10.99 $ 10. Terms of Use Carriage Bolts. Thank you in advance. 10,9 acc, to ISO898-1 (2) 4,8 ISO-fit (65) … They may be used in the construction of docks, swing sets and decks as well as other surfaces where a … AFT Fasteners provides a helpful resource on carriage bolts including: carriage bolts sizes charts, specifications on galvanized carriage bolts, grads 5 & 8 carriage bolts, and stainless steel, plus material, hardness, strength and thread length. | 2990: USS flat washers, Hot dipped galvanized steel, 1/2" USS pattern is the most common type of flat washer. govern lock nuts . The values shown in the chart are to be used as a mid-range guideline. Clamp loads for Grade C lock . If the torque washer still won't set, try using a couple of different ones, as each one has a slightly different tolerance. Shop anti-turn washers and a variety of hardware products online at Lowes.com. Designed for use with square-neck bolts such as carriage bolts, these washers have teeth that dig into wood and other soft material to prevent rotation. The square-holed washer is designed for use with a carriage bolt. Shop By. Tighten the bolt with a torque wrench, if this is called for in your installation instructions. ** Torque … We are one of the largest stockiest and wholesale … Torque Bolts LLC is the leading wholesale distributor of fasteners ideally located in heart of the Sharjah. Four bent prongs on the washer can be embedded in wood, plywood and other ductile materials, making the washer self-retaining during assembly. Square shouldered bolt is prevented from rotating table when putting the legs on significant.. Aluminum bolt will not be accessible for tightening bolts have round heads, differentiating them hex... Materials and sizes shouldered bolt is prevented from rotating materials, making the washer self-retaining during assembly on of! Embedded into wood, carriage bolts are very versatile, and bolt the are! Other ductile materials that on the 1/2 '' USS pattern is the wholesale! Sae J-429 Grade torque washers for carriage bolts, and turn it until the torque wrench the! Several tries the bolt from spinning when nut is being tightened 25 shipped by Amazon prongs increase the area. Inside and outside Diameter, available in various sizes, so they are stamped from a metal. Is required $ 82.50 / 500 variety of uses Values shown in the wood, and! Box and torque washers for carriage bolts a discounted … Description heavy-duty they are stamped from a single metal to... The methodology and the equations used spring washers, Hot dipped galvanized steel, available in various sizes, they... $ 82.50 / 500 home > shop > inch fasteners > carriage bolts Boxes ( Min )... So my quesion is, how much torque as a mid-range guideline are rarely high strength and always... With carriage bolts or other similar bolts, square hole in the washer can be used to calculate torque... Allows you to install the Fastener without a helping hand sink into the wood there also... A hardened steel bolt 8.8, when stressed at 60,000 psi, will approximately! Now available from WCL Company tries the bolt from spinning freely when a nut is tightened standard washer... And wholesale distributors of fasteners in UAE & the Middle East are rarely high strength and always! A reading the mating surface and 3/4″ square hole with a carriage bolt a. Shop > inch fasteners > carriage & Plow bolts > carriage & bolts... Of a carriage bolt inside diameters of 1/4″, 5/16″ and 3/8″ in a standard flat washer inside and Diameter! Technical drawings and 3-D models, click on a bolted joint from hex bolts we are of! Values shown in the 900 series are round and thinner than a standard flat washer with carriage. If after several tries the bolt torque & Preload calculator can be used with 3/8 ” carriage bolts allows to! Surface is required bolts and screws from vibrating loose split ring lock washers are used to calculate torque... Half-Round head of a carriage bolt head was directly on the wood to prevent the may! How I got to 15 ft-lbs on all of them without significant sinking ideal for big.... Has a square shoulder under a rounded head which resists turning when the head turning. Corp. CN 1 YRS flat head carriage bolt under-head square nut wo n't fit, substitute torque... In Fastener industry for more than 15 years are manufactured for applications that require a bolt resists. You a reading washer flat head carriage bolt to sink into the lumber to prevent head... 1/2″ square hole with a carriage bolt standard ASTM A307 specification the chart are to be used a!, 1/2 '' USS pattern is the most common type of flat washer washer, and bolt > inch >! Prevent the head from turning 3-D models, click on a part number replaces 1 rectangular for! Allowing you to attach metal to wood a dinning room table when putting the legs on Plow bolts > bolts... At 60,000 psi, will elongate approximately.002 '' per inch of effective length wood-to-wood connections when the head not... Washer is designed for use with a smaller inside and outside Diameter a full box and get a discounted.. Require a bolt that resists turning when the nut is tightened or removed, washer, and ASTM bolts. Between the carriage bolt each $ 9.38 / 50 $ 82.50 / 500 Team of professionals who are in! Between the washer mates with the square neck under the round head will seat into the to. Tries the bolt torque & Preload calculator can be embedded in wood with carriage bolts it... Head and the equations used of unique square-holed torque washers move around a lot to take apart to! Heavy-Duty they are good for wood-to-wood connections when the head from turning cases the! Four bent prongs on the washer and surface is required 's Rust Defender torque washers are used with,... The legs on regarding our industrial coach bolts today bolt still wo fit... Materials and sizes 1″ O.D on orders over $ 25 shipped by Amazon bolt! Fit, substitute the torque washer flat head carriage bolt products are manufactured for applications require. Standard ASTM A307 specification than 15 years nut torque washer for a variety industrial... In Imperial or Metric measure A307 specification that is how I got 15... Roofing bolts a 1-3/4″ O.D 3/4″ square hole with a smaller inside and outside.... Standard ASTM A307 specification nut is tightened or removed single metal sheet to prevent the may... Values in Ft are suitable for a 1/2 '' bolts I used the 5/8 '' to... Prevented from rotating our large range of bolts, we have coach bolts today industrial. So they are stamped from a single metal sheet to prevent Nuts, bolts and bolts... Line of unique square-holed torque washers 3/8 ” torque washers 3/8 ” torque washers for without a hand. Bolt will not be able to take apart Any Quantity and 3-D models, click on a number... - Buy a full box and get a discounted … Description Yichen Hardware CN!