12 Pcs Star Knobs M8 Female Thread 38mm 6-Point Plastic Head Brass Insert Non-Through Hole Screw-In Hand Knob Clamping Handle Black Built-To-Last For Machinery Equipment And DIY Projects

Pack of 12 M8 Star Knobs with Brass Insert, Black
✔️ 12 pcs, M8, 38mm head, 7mm depth, 18mm thick, non-through hole

These star hand knobs are built for quick, tool-free clamping on machinery, fixtures, and DIY projects. They pair a sturdy plastic star head with a brass threaded insert for strength and corrosion resistance, making them ideal for equipment like drill presses, lathes, fixtures, and linear slide units.

✅ Thread size: M8 (1.25 pitch) with 38mm head (1.5")
✅ Thread depth: 7mm (0.28"), total thickness 18mm (0.71")
✅ Step size: 19.6mm x 6.1mm (0.77" x 0.24"), 6-point star design
✅ Material: durable plastic knob with brass insert for strength and corrosion resistance
✅ Mounting: non-through hole female star knob for direct mounting
✅ Color: black; pack of 12; suited for drill presses, lathes, fixtures

💡 What is a hand knob used for in workshop setups?

Hand knobs are handy for quick, tool-free adjustments on equipment and fixtures. - They let you tighten or loosen components by hand without tools
- They provide an ergonomic grip that helps prevent slipping during adjustment
- Brass inserts add strength and corrosion resistance for long life
- They fit standard M8 threaded components used on many machines