10-16 x 3 Phillips Flat Undercut Full Thread Self Drilling Screw Zinc & Bake 1-64 They have teeth on the

They have teeth on the inside diameter that bite into the surface of the bolt or nut

The 5/16-18 x 1/2 Hex Cap Screw Silicone Bronze is a high-quality fastener designed for use in a variety of applications

The fully threaded design allows for maximum engagement

It meets the specifications of ASTM A307 Grade 8 and is ideal for use in automotive

and a plain finish

10-16 x 3 Phillips Flat Undercut Full Thread Self Drilling Screw Zinc & Bake 1-64 They have teeth on theThese 10 16 x 3 Phillips flat undercut full thread self drilling screws with zinc and bake coating are designed for high performance fastening in metal applications. Their sharp point and aggressive threads allow for easy penetration and secure anchoring, while the flat undercut head provides a flush finish. The zinc and bake coating offers excellent corrosion resistance, making them suitable for both indoor and outdoor use. These screws are ideal for