Holding power: Pull-out values of Marine screws exceed those of ordinary tapping screws in fiberglass and wood

Designed for use with 18-8 stainless steel screws

7/8-9 x 1 3/4 Socket Cap Screw Alloy

7/8-9 x 1 1/4 Socket Set Screw Cup Point Alloy

1-8 x 1 1/4 Socket Set Screw Cup Point 18-8 (A2) Stainless Steel Square Pancake-Head Self Drilling Screws 410 Stainless Steel Holding power: Pull-out values of1 8 x 1 1 4 Socket Set Screw Cup Point 18 8 (A2) Stainless Steel . 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. Stainless Steel 18 8