Cup Point Socket Set Screw 3/8-16 X 2 1/4 Inch Alloy Steel Black Oxide Hex Socket Coarse Thread Grub Screw 800 Pieces Heavy Duty Build For Industrial Apps And Quick Secure Gripping
UPC:
✔️ Coarse thread 3/8-16, 2.25 in length, alloy steel, black oxide
These cup point socket set screws are headless fasteners that thread the full length and use an internal hex drive. Designed to locate and lock components on shafts, they’re ideal for gear trains, pulleys, and fixtures where a cup point bites into the shaft for a secure grip in industrial applications.
| Diameter | 0.375 in (9.525 mm) |
| Length | 2.25 in (57.15 mm) |
| Thread size | 3/8-16 |
✅ Thread: Coarse 3/8-16, dia 3/8 in (9.525 mm), length 2.25 in (57.15 mm)
✅ Material & finish: Alloy steel with black oxide finish; not moisture-protective
✅ Drive: Internal hex socket for 3/16 in Allen wrench
✅ Type: Cup point, full-length threaded, headless screw
✅ Pack: 800 pieces in bulk set
💡 What is a cup point set screw used for?
This handy fastener locks components on shafts in a variety of mechanical setups.
- cup point socket set screws secure gears, pulleys, and collars on shafts in power transmission systems
- designed to bite into shafts with sufficient hardness to prevent loosening under load
- handy for quick, repeatable shaft positioning in automation and fixtures
- bulk sets of 800 pieces are common for industrial maintenance