1/2-13 x 2 Inch Coarse Black Oxide Medium Carbon Steel 12 Point Counterbore Bolt Best Seller It provides superior service and

It provides superior service and remains flexible and resistant to oil grease ozone and under-hood temps

this product works especially well on resilient floors that are finished

Thread Treatment Sticks

1/2-13X11 150 SOC CAP SEMI-STD

A permanent high strength product that is applied to fasteners 3/8" to 1" (10mm to 25mm) in size before assembly

1/2-13 x 2 Inch Coarse Black Oxide Medium Carbon Steel 12 Point Counterbore Bolt Best Seller It provides superior service andCounterbore screws are threaded fasteners that are designed for use in counterbored holes. A counterbored hole is essentially a pilot hole consisting of a long and narrow threaded channel at the bottom and a shallower but wider channel at the top.