Socket Head Bolt Size Chart

The grip gaging length is the distance measured parallel to the axis of the screw from the bearing surface of the head to the first complete full form thread under the head see table 1b.

Socket head bolt size chart.

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. About brands products services industries resources contact shop online. Print this page. Hex bolt lag bolt square bolt heavy hex bolt 6.

Us bolt head wrench size. Tap and drill sizes. Bolt diameter head and wrench size. 5 16 1 4 7 16 or 3 8 5 16 1 2.

There are a few suppliers that might stock these items but if you are looking for those specific sizes it ll be best to get in contact directly with the supplier. This chart contains information on number metric and fractional number socket head cap screws along with tap drill information. Griping gaging length lg. The thread length on socket head cap screws shall be as defined by table 1b and notes thereto.

It is important to remember that usually hexagon socket head cap screws are not available in sizes larger than m36 or smaller than m3.