50 Piece 4-40 By 3/16 Inch Stainless Steel Hex Socket Set Screws With Allen Head And 1.27mm Allen Wrench 304 Stainless Durable Hardware For Machinery DIY Projects Electronics And General Tooling

Premium 4-40 Stainless Hex Socket Set Screws 50pc + Wrench
✔️ 50pcs 4-40 x 3/16in stainless socket screws, 1.27mm hex key

These 304 stainless steel set screws are compact fasteners designed to lock gears, pulleys, and other components to shafts in machinery, electronics, and DIY projects. They sit flush or recessed for a clean finish.

✅ Material: 304 stainless steel for corrosion resistance
✅ Size: 4-40 x 3/16 in (diameter 0.112 in / 2.845 mm)
✅ Head: cup point socket drive for secure seating
✅ Pack: 50 screws plus 1.27 mm hex wrench included
✅ Finish: silver burr-free surface for smooth assembly

💡 What is a handy use for stainless steel hex socket set screws in machinery?

These handy fasteners are used to secure gears to shafts and hold components in place in tight spaces. - Used to lock gears to shafts in motors, CNCs, and robotics systems
- 4-40 size and 3/16 in length fit many small assemblies
- Cup point design helps resist loosening under vibration
- Includes 1.27 mm hex wrench for quick seating