Allen Bolt Head Size Formula

Shop high quality hex bolts from ita fasteners at the reasonable price.

Allen bolt head size formula.

A metric iso screw thread is designated by the letter m followed by the value of the nominal diameter d the maximum thread diameter and the pitch p both expressed in millimetres and separated by the hyphen sign e g m8 1 25. Choose from our selection of allen bolts including alloy steel socket head screws 18 8 stainless steel socket head screws and more. In stock and ready to ship. If the pitch is the normally used coarse pitch listed in iso 261 or iso 262 it can be omitted e g m8.

Also available from the nut place. Size diam ete r hex key size 6605 n. Hex bolt head dimensions. Available in a range of sizes from m2 to m42 and din 933.

Gessner houston tx 77040 4015 ph. Bolt diameter head and wrench size. Us machine screws dimensions machine screw diameters. Get a quote for hex anchor bolts head hex bolts and all kinds of bolts or just call our sales team now.

Where l is the total bolt length and d nom is the nominal bolt diameter. Hex bolt lag bolt. Bolt diameter mm head wrench size mm ansi iso din. Trying to make sense of all the different screw and bolt thread lengths can be a real challenge even for the most knowledgeable of professionals.

Measure the outside diameter of the bolt s threads using a vernier caliper if the bolt is installed in your vehicle or piece of equipment and the bolt s head is not accessible to the vernier caliper. Print this page. Some bolts may vary from the standard thread length. Us hex bolts metric ansi asme b18 2 3m dimensions of hex bolts metric units.

Us hex bolts inches ansi asme b18 2 1 dimensions of hex bolts imperial units. Us bolts head and wrench sizes hex bolt lag bolt square bolt and heavy hex bolt. Print this page. Follow the instructions in step 2 to find the wrench size to use for this bolt.