M3 x 5mm Stainless Steel Hexagon Headless Screw Set Screw Single Piece

M3 x 5mm Stainless Steel Hexagon Headless Set Screw 1 Pack
✔️ M3 5mm Long Stainless Steel Hex Socket Grub Screw

This 1 pack M3 x 5mm stainless steel hexagon headless screw is a compact set screw made for locking collars, pulleys, gears, and small mechanical assemblies. The internal hex drive lets you tighten it cleanly into threaded holes without any protruding head.

✅ Quantity: 1 screw
✅ Thread size: M3
✅ Length: 5mm
✅ Drive type: Internal hex socket
✅ Style: Headless set screw
✅ Material: Stainless steel
✅ Standard: Metric

Dimension details:

Size d max d min P S t max t min L
M3 2.98mm 2.87mm 0.5mm 1.5mm 1.52mm 1.2mm 5mm

💡 How do you choose the right stainless steel M3 set screw for precision mechanical locking applications?
Short answer: match thread pitch, engagement depth, and drive size carefully.

• Confirm 0.5mm pitch matches the tapped hole

• Ensure 5mm length provides enough thread engagement without bottoming out

• Verify 1.5mm hex socket size for proper torque transfer

• Use stainless steel when corrosion resistance is needed

When you need a tiny but solid locking solution that stays flush and holds tight, this M3 grub screw does the job clean and simple.