10 x 2 1/2 Simpson Bugle-Head Self-Drilling Screw - Square Drive 410 SS - Box (100)

5 x 90 Hex Cap Screw 8

1-8 x 2 3/4 Socket Cap Screw Alloy

37/64 x 6 Reduced Shank Drill Bit Cobalt (1/2 Shank)

1 1/2-6 x 4 Socket Set Screw Cup Point Alloy M24-3.00 Hex Cap Screws DIN 933 18-8 Stainless Steel (A2) 10 x 2 1/2 Simpson1 1 2 6 x 4 Socket Set Screw Cup Point Alloy . A headless screw threaded the entire length. It has a hexagonal drive at one end and a cup shaped indentation at the other end. The cup point is the most used style set screw. Designed for fast, permanent and semi permanent location of parts on shafts with hardness differential of 10 15 Rockwell C points and where cutting in of cup edge on the shaft is acceptable. Hardness: Rockwell C45 53.