10 Pack M8 Star Knobs With 48mm Heads For Through Hole Brass Inserts Heavy Duty Screw In Clamping Hand Knobs Black For Machinery CNC Woodworking Metalworking Jigs And Fixtures

10 Pack M8 Star Knobs with 48mm Heads for Through-Hole
✔️ Heavy-duty hand-tighten clamps for through-hole inserts, M8 1.25 pitch

These star knob handles are heavy-duty clamping knobs designed for through-hole mounting on machinery, CNC setups, woodworking, and metalworking fixtures. They’re ideal for quick, tool-free adjustments on drill presses, lathes, routing jigs, fixtures, and packaging equipment.

✅ Size - M8 thread (1.25 mm pitch); head diameter 48 mm (1.89 in); total thickness 26 mm (1.02 in)
✅ Stepped part size 24.2 mm x 11.2 mm (0.95 in x 0.44 in)
✅ Knob style: 6 star; Through Hole; iron insert; color: black
✅ Material: sturdy plastic star knob with iron insert for strength and wear resistance
✅ Clamping design provides secure hand-tightening and reliable grip
✅ Applications: machinery, electronics, equipment, furniture, fixtures
✅ Note: avoid over-tightening; ensure proper engagement with matching male threaded component

💡 What is a star knob used for in clamping setups and why does the iron insert matter? Handy overview. - Hand-tighten control in jigs and fixtures for quick adjustments - Iron insert provides wear resistance and longer life - M8 thread with 1.25 mm pitch fits standard holes in machinery - 48 mm head size delivers a firm grip and even clamping pressure