3/8-16X1 Self Clinching Stud 12 Rib Full Thread 300 Series Stainless Steel, Pkg of 250

5/16-18X2 Self Clinching Stud Full Thread Hardened Steel Heat Zinc Bake. Concrete screws cut their own threads when used in concrete, block or brick. Carbide bits are recommended for use in masonry.

4-40 X 3/16 MS51957, NAS-1635 Phil Pan Machine Screw Coarse Full Thread 300 Series S/S DFAR. Pan head screws are a common style that can substituted in most applications for round, truss or binding heads.

6-32X3/8 Self Clinching Stud Full Thread Hardened Steel Heat Zinc Bake. Concrete screws cut their own threads when used in concrete, block or brick. Carbide bits are recommended for use in masonry.

1/4-20X1 1/4 Self Clinching Stud Full Thread Hardened Steel Heat Zinc Bake. Concrete screws cut their own threads when used in concrete, block or brick. Carbide bits are recommended for use in masonry.