Heavy Duty Cup Point Socket Set Screws 18-8 Stainless Steel 3/8-16 X 2-1/2 Inch Fully Threaded High Strength Secure Gear Or Pulley On Shafts Quantity 1000

Heavy Duty 3/8-16 Cup Point Socket Screws, 2.5 in long
✔️ 18-8 stainless, fully threaded cup point grub screws, pack 1000

These heavy duty cup point socket set screws are fully threaded, headless fasteners used to lock gears, pulleys, and collars to shafts in machinery. Driven with an internal hex key, they clamp from the bottom tip to prevent motion in compact assemblies.

✅ Material: 18-8 stainless steel (AISI 304) for corrosion resistance
✅ Thread: 3/8-16 UNC, fully threaded for strong grip
✅ Length: 2-1/2 in (63.5 mm); Diameter: 0.375 in (9.525 mm)
✅ Drive: internal hex (Allen) drive; Blind, headless design
✅ Quantity: 1000 pieces in pack

💡 What is a cup point socket set screw used for in machinery? This handy question covers common uses in mechanical assemblies. - They secure gears and pulleys to shafts without a protruding head - They clamp by the bottom tip to prevent movement in operation - They resist corrosion with 18-8 stainless steel for long life