Back-out resistance: once driven home

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

bolts and nuts in general industrial applications where parts are subject to corrosion

7/8-9 x 6 Grade 5 Hex Cap Screw Zinc Plated

3/4-10 x 1 1/4 Socket Set Screw Cup Point 18-8 (A2) Stainless Steel A563 Grade A Heavy Hex Nuts Hot Dipped Galvanized Back-out resistance: once driven home3 4 10 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