Designed with a built-in washer underneath the head of the bolt — distributing the clamping load over a wider area.
This eliminates the need for a separate washer, as it provides the same holding power.
Property class 10.9
Diameter 5/16″-18
Length: 1/2″
Designed with a built-in washer underneath the head of the bolt — distributing the clamping load over a wider area. This eliminates the need for a separate