Star Knobs M4 Female Thread 25mm Head Plastic Non-Through Hole Brass Insert Screw-In Clamping Hand Knobs 4 Pack 12mm Thick Black Great For CNC Machines Woodworking And Metalworking Fixtures Easy Grip

4-Pack M4 Star Knobs with Brass Insert for CNC
✔️ M4 thread, 25mm head, 12mm thickness, brass insert

These star knobs are compact, screw-in clamps designed for quick, tool-free adjustments on CNC machines, routing jigs, and woodworking fixtures. They mount directly onto compatible male threads to secure setups fast in metalworking and woodworking environments.

✅ Size - M4 thread (0.7mm pitch); head diameter 25mm (0.98"), total thickness 12mm (0.47"), stepped 12.7mm x 3.4mm (0.5" x 0.13"), 6-point star, non-through hole, brass insert
✅ Material - durable black plastic star knob with brass insert for strength and corrosion resistance
✅ Design - screw-in female thread provides secure grip and resists stripping
✅ Applications - fits CNC machines, drill presses, lathes, routing jigs, fixtures, woodworking and metalworking equipment
✅ Package - 4 pack; ready for multi-location use
✅ Note - avoid over-tightening to prevent damage to knob or threads

💡 What is a handy star knob used for in general shop setups? This handy item helps secure fixtures quickly without tools. - Easy, tool-free adjustments for fixtures and jigs - Brass insert resists wear for long life - Non-through hole design reduces snagging - Works with standard M4 male threads on many machines