M4 4mm Length - Stainless Steel Hexagon Headless Screw

M4 Stainless Steel Hexagon Headless Screw 4mm Length
✔️ Compact set-screw style fastener for tight assemblies

This is a single M4 stainless steel hexagon headless screw (pack of 1) built for secure fastening where a low-profile, flush surface is needed. Commonly used in pulleys, collars, small housings, and mechanical fixtures where the head must not protrude.

✅ Thread size: M4
✅ Overall length: 4mm
✅ Material: stainless steel
✅ Style: hexagon headless (set screw)
✅ Brand: VXB
✅ Quantity: one screw

Dimensions Table

Thread size (M) M4
Major diameter (max) 3.98mm
Major diameter (min) 3.83mm
Pitch (P) 0.7mm
Hex socket (S) 2.0mm
Head depth max (t max) 2.02mm
Head depth min (t min) 1.7mm
Length (L) 4mm

💡 Why are headless hex screws preferred in compact mechanical hardware?
They allow precise clamping without taking up extra space or interfering with rotation.
- No external head for clearance issues
- Strong bite into the mating surface
- Ideal for locking shafts, hubs, and collars in place

If you need a tiny fastener that locks things down without sticking out, this little guy does the job, grab a few and keep your build clean and secure.