3/8-16 x 2 Inch Coarse Black Oxide Medium Carbon Steel 12 Point Counterbore Bolt Best Seller 5/16 Inch-24 Super High Performance

5/16 Inch-24 Super High Performance Tap Heat Treated Super High Speed Steel

Corners easily without wrinkles and can be painted on immediately after application

The Perma-Plug kit includes three insert lengths to accommodate all applications

Wire range is stamped on the metal surfaces

Mill-Rose Blue Monster Copper Guard Anti-Seize Tape is manufactured from a copper filled PTFE resin

3/8-16 x 2 Inch Coarse Black Oxide Medium Carbon Steel 12 Point Counterbore Bolt Best Seller 5/16 Inch-24 Super High PerformanceCounterbore 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.