Socket Head Bolt Size Chart

Us bolt head wrench size.

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. Tap and drill sizes. Griping gaging length lg. Bolt diameter head and wrench size.

This chart contains information on number metric and fractional number socket head cap screws along with tap drill information. 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. It is important to remember that usually hexagon socket head cap screws are not available in sizes larger than m36 or smaller than m3. Use the mudge fasteners bolt head size chart to determine the head size and wrench or socket size required for any hex bolt or lag screw you use.

Print this page. 5 16 1 4 7 16 or 3 8 5 16 1 2. Hex bolt lag bolt square bolt heavy hex bolt 6. Nominal screw sizes m5 and larger have six drilled holes spaced 60 degrees apart unless the purchaser specifies two drilled holes.

About brands products services industries resources contact shop online.