#2: 0.0860 or 43/500 in M.S. Diameters are based on ASME Coarse Thread Series (UNC/UNRC) and ASME Fine Thread Series (UNF/UNRF), C. Machine Screw Diameters denominated with the industry Numeric Size system. Those parts that require matching with a mating item - screws or bolts with nuts or washers - have diameters that are denominated in actual inches or fractions thereof, followed by the number of threads per inch. Screws and bolts that mate with a nut, as well as the nuts themselves, are denominated as such. A325s have a heavy hex head, a full body diameter, and are normally short in overall length since they are connecting steel to steel. An industry Numeric Size, preceded by a # sign: #6: A Number 6 size (sheet metal screws, Teks screws, drywall screws, particle board screws, wood screws, U-drive screws), #8: A Number 8 size (sheet metal screws, Teks screws, drywall screws, particle board screws, wood screws, U-drive screws), #14: A Number 14 size (sheet metal screws, Teks screws, wood screws). Page, as the next Closing date draws near. 1/4" Stainless Flat Washer, 5/8" Outside Diameter (100 Pack)- Choose Size, by Bolt Dropper, 18-8 (304) Stainless Steel 4.7 out of 5 stars 1,755 $6.77$6.77 ($0.68/10 Items) Save 5% more with Subscribe & Save Print this page . More Fasteners InStock For Less Shopping Cart. Flat washers are used to distribute loads of threaded bolts, screws and nuts evenly as the fastener is tightened. 1/4-20: One quarter inch shaft diameter, 20 threads per inch, 3/4-16: Three quarter inch shaft diameter, 16 threads per inch. Hex Nut Dimensions. For example, a ¾-16 bolt should be matched with a ¾ washer. Basic Major Diameters of industry Numeric Size-denominated screws: #0: 0.0600 or 3/50 in Join 350,000 subscribers and get a daily digest of news, geek trivia, and our feature articles. bolt should be matched to the inner diameter of the washer. 99 10-24: 0.1900 or 19/100 in diameter; 24 threads per inch length. Anchor Bolts; Bent Bolts; Concrete Embeds; Swedge Bolts; Headed Bolts; Hot Forged Domestic Nuts; Large Diameter Nuts and Bolts; Domestic Square Nuts; Metric Fasteners; Penta Head Bolts; Plate Fabrication; Related Hardware; Stainless Nuts and Bolts; Tie Rods; Close; Exotic Materials – Specialty Fasteners. 16″ – 300# RF flange bolt circle) Stud Bolt Size = 1.25 inches (ref. Our continued investment in having stock on hand and a customised in-house live computer system allows us to prioritise, pick and … See section C below for clarification. Store | Services | My Lay-over charts for quickly identifying diameter, thread count and other US fastener dimensions. At that point, it would probably be best to get the bolt in both sizes and try them out. RELATED: The Differences Between Screws, Bolts, and Nails (and When You Should Use Each). Heavy hex nuts are slightly larger and thicker than standard (finished) hex nuts. 888-660-0334 19087 W. Casey Rd. Note: The diameters of some smaller machine screws (though they may take a mating part), are denominated with the industry Numeric Size system described below. Numeric Size denominations larger than #16 are uncommon. A number 1 or number larger than one, or number one or number larger than one followed by a fraction, then followed by a hyphen then a fraction or whole number: The number 1 or number larger than one, or number one or number larger than one followed by a fraction, is the diameter of the shaft. iameter of the washer before placing an order. 3 Annual Store Closings. A fraction followed by a hyphen, followed by a number: The fraction is the diameter of the shaft, in fraction of an inch. Other size measurements, such as screw, bolts, pin length, the outer diameters of nuts & washers, etc., appear on the search result itself. For example, I overlaid a bolt onto the print-out chart to see if I could figure out what size it was. Metric Bolts Metric hex head bolts grades 8.8 and 10.9. in a wide variety of sizes. Item #64230 Model #N221-499 One downside to this method is that you have to eyeball it instead of actually screwing the fastener into a physical thread checker—so it’s much less accurate. ANSI B18.2.3.8M ; BS ISO EN DIN 20898-7 Mechanical properties of fasteners: torsional test and minimum torques for bolts and screws with nominal diameters 1–10 mm #7: 0.151 or 77/512 approximate weight in kgs for 100 nos. Whether it is just 1 screw or 5,000 bolts, we offer a large range of pack sizes, free freight, discounted tiered pricing and quarterly bonus buys. Metric Washers Nuts, Bolts & Washers Your search for the right nut, bolt or washer is over. Us | Help These washers are unhardened and intended for general use. Metric Screws Plain black metric socket head cap screws with coarse thread grade 12.9. #16: 0.3750 or 3/8 in. Because this is approximately the same as the Major or Thread diameter the thread diameter measurement can be used for fully threaded bolts. fasteners) lying around and aren’t quite sure what size they are, or if you need to replace a missing bolt on a piece of machinery and need to know what size to get, here are some methods to easily figure that out. Consequently, when ordering a washer for a use other than matching it to a screw or a bolt, one should determine the actual inner BS EN ISO 4035 Hexagon thin nuts chamfered – product grades A and B; BS EN ISO 4036 Hexagon thin nuts (unchamfered) – product grade B; Lag Screw Metric Size and Dimensions per. The number following the hyphen is the number of threads per inch, that is, the number of threads on the shaft itself, per inch of shaft length. 12-24: 0.2160 or 27/125 in diameter; 24 threads per inch, Online USS and SAE Washer Dimensions. Flat washers are covered under the ASTM specification F844. Specialty Fasteners Our in stock fastener selection includes most grades of nuts, bolts, screws, washers and assortments. His work has been published by iFixit, Lifehacker, Digital Trends, Slashgear, and GottaBeMobile. 2. 6-32: 0.1380 or 69/500 in diameter; 32 threads per inch RELATED: The Basic Tools Every DIYer Should Own. The diameter of a bolt is the Shank diameter, expressed in millimetres for Metric bolts. So you wouldn’t be able to check the size of nuts, for instance—just screws and bolts. Table of Contant. It is calculated to be enough for one AN960 flat washer under the head, a full-height AN365 or AN310 nut, and one AN960 flat washer under the nut. 1-12: One inch shaft diameter, 12 threads per inch, 2-1/4-4-1/2: Two and one quarter inch shaft diameter, four and a half threads per inch. Baden Steelbar & Bolt Corporation is a family-owned manufacturer and distributor of fasteners based in Pittsburgh, Pennsylvania. So if your printer has an option like “Fit to Page”, you’ll need to uncheck that so there’s no downscaling. #6: 0.1380 or 69/500 in The best rated bolts product is the 5/8 in.-11 x 10 in. Metric nut comparison. It is important to note that when matching a washer with a screw or a bolt, the diameter of the shaft of the screw or For example, a ¾-16 bolt should be matched with a ¾ washer. The inner diameter of the ¾? Account | mm threads as per is 1363/67. HEX HALF THREAD BOLTS WITH NUTS Weight Chart; MM THREADS AS PER IS 1363/67 CONTD Weight Chart; BSW THREADS AS PER BS 916/53 Weight Chart It seemed to fit the best with the #10-32 model, but #8-32 was pretty darn close as well. What are a few brands that you carry in bolts? Enjoy our huge metric fastener selection. Commercial, industrial and home nut supplies with most shipping the same or next business day. Most (if not all) hardware stores have sizing plates that you can test your fasteners on, with both male and female options, as well as imperial and metric. The above article may contain affiliate links, which help support How-To Geek. So something like this only works with bolts and nuts that you can bring with you to the store, but not all hope is lost! #9: 0.1770 or 11/64 in Here follows a list, in inches: 2-56: 0.0860 or 43/500 in diameter; 56 threads per inch The Bolt Depot has some excellent charts that you can print off for both imperial and metric fasteners, as well as nuts and washers. #15: 0.3120 or 5/16 in Join 350,000 subscribers and get a daily digest of news, comics, trivia, reviews, and more. Craig Lloyd is a smarthome expert with nearly ten years of professional writing experience. dimensional data and technical information shown on the fastenerdata website is in the public domain and has not been acquired through the standards agencies, it has been completed and compiled by fastenerdata and is for guidance only; where discrepancies are found they are subject to change without notice. AN960 washers are 1/16" thick (1/32" thick for the L version). As far as the washers are concerned, the recommended grade is the ASTM F436 hardened washer, type 1 or 3 depending on the type of bolt grade. The only downside to using these in-store sizing plates is that you can’t just bring in your engine that needs a new bolts, hoist it up onto the sizing plate and start checking different sizes—that’s usually impractical, and sometimes impossible. 1. #8: 0.1640 or 41/250 in Knowing the … Cheat Guide Chart – Bolts, Screws, Washers, Nuts, Drive Charts Read More » Parts that do not Require Matching with a Mating Item. Once you’ve taken care of that, though, you’re off to the races, and can begin figuring out the sizes of your stray fasteners. See our nut compatibility chart to determine the compatible heavy hex nut(s) for a specific grade of bolt. 2. above, but with a number of threads per inch count as well. Lowe’s has one off to the side at the very end of the aisle (pictured above). 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