1/4-14 x 1 1/2 Phillips Full Contour Truss Self Tapping Screw Type B Full Thread Zinc MPP188 They have a sharp point

They have a sharp point that helps them to penetrate the metal

The screw also has a number 5 point full thread

These 10-12 x 2 3/4" Phillips Full Contour Truss Self Tapping Screw Type A Full Thread Zinc are designed for use in metal framing applications

This 10-24 x 2 1/2 Phillips oval head machine screw is fully threaded and made of zinc

Made from high-strength steel and heat-treated for exceptional durability

1/4-14 x 1 1/2 Phillips Full Contour Truss Self Tapping Screw Type B Full Thread Zinc MPP188 They have a sharp pointThe 1 4 14 x 1 1 2 Phillips Full Contour Truss Self Tapping Screw Type B Full Thread Zinc is a screw designed for use in metal applications. It has a 1 4 14 thread size, a length of 1 1 2 inches, and a Phillips drive type. The screw is made of steel and has a zinc coating for corrosion resistance. It is a full thread screw, meaning that the threads extend the entire length of the screw. The screw has a full contour truss head, which provides a large