3 8 Flat Head Bolt Dimensions

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3 8 flat head bolt dimensions.

Similar thread design as a socket cap screw but the dome shaped head is wider and has a lower profile. Body diameter there may be a reasonable swell or fin under the head or die seam on the body not to exceed the basic bolt diameter by the following. Head dimensions for 82 flat head machine screws ansi b18 6 3 1998. The length of a flat socket head cap screw is measured from the top of the head to the flat of the point unlike other socket products whose length measurement is from underneath the head to the flat of the point.

Asme b18 3 and astm f835. Screw diameter drive size. Socket head cap screws are commonly used in machine assembly for removable panels and parts. Flat and oval head screws are angled under the head to fit in countersunk holes.

Longer caps are easier to see when fastened while button and flat head caps are less likely to snag clothing or linkages. If all else fails you may want to use our drill size conversion table or our tap drill size calculator the information available from our sources is usually sufficient for all computer related drill or screw requirements world wide. 4 x 3 8 in. Drive sizes for us allen drive screws.

Similar to a button head socket screw but with an 82 degree countersunk flat head. 0 030 for sizes up to 1 2 0 050 for sizes 5 8 and 3 4. Head height is 50 of a standard socket head and the socket size is smaller. They have a round cap with a hex head and are tightened with a socket wrench drive.

Print this page. Phillips flat head zinc plated sheet metal screw 16 pack 1 model 813211. Get free shipping on qualified 3 8 in screws or buy online pick up in store today in the hardware department. 180 000psi min 5 8 diameter and smaller.