4-40 x 1/4 Phil Flat Undercut Thread Cutting Screw Type F Full Thread 18-8 Stainless Steel MWWB They have a 6-lobe pan

They have a 6-lobe pan head and a Type 25 thread

The 5/8-11 x 6 Hex Tap Bolt Grade 8 Fully Threaded Plain is a high-strength fastener designed for demanding applications

and the fully threaded design allows for a strong hold in a variety of materials

These 8-18 x 3/8 Phillips pan self-tapping screws are Type AB screws

4-40 x 1/4 Phil Flat Undercut Thread Cutting Screw Type F Full Thread 18-8 Stainless Steel MWWB They have a 6-lobe panThe 4 40 x 1 4 Phil Flat Undercut Thread Cutting Screw Type F Full Thread 18 8 Stainless Steel is a small, versatile screw designed for use in a wide range of applications. It features a 4 40 thread size, a 1 4 inch length, and a full thread design. The screw is made from 18 8 stainless steel, which provides excellent corrosion resistance and strength. The flat undercut head design provides a flush, low profile finish when countersunk into the