57/64 x 6 Reduced Shank Drill Bit (1/2 Shank)

4-40 x 5/16 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated (10

14 x 4 TimberLOK® Heavy Duty Wood Screw (250)

5/8 x 8 Titen HD Concrete Anchor Zinc Plated (10)

7/8-9 x 4 1/2 Flat Socket Cap Screw Alloy

7/8-14 x 2 Socket Set Screw Cup Point Alloy 1 3/4-5 Socket Cap Screws Alloy 57/64 x 6 Reduced Shank7 8 14 x 2 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.