M6 x 30mm Plastic Clamping Knobs Set With Thumb Screws And Star Knobs Hand Tightening Screws Corrosion Resistant Easy To Install Toolless Operation Includes 15 Pieces For Furniture Machinery And Equipment

15-piece M6 clamp knob set for quick hand adjustments
✔️ M6x30mm / 0.23×1.18in, 23mm head, 40mm tall, no tools needed

These plastic hand knobs and thumb screws are designed for fast, tool-free clamping on machine tools, jigs, fixtures, and general industrial equipment. Widely used on lathes, milling machines, and other mechanical equipment, they provide secure, adjustable clamping with a simple hand twist. This 15-piece set features M6 x 30 mm threads and a 23 mm head diameter with a 40 mm overall height, offering corrosion resistance and durable plastic heads for long service life.

✅ Thread size M6 x 30 mm (0.23" x 1.18"), pack of 15 pieces in the set
✅ Head diameter 23 mm (0.9"), plastic head with good toughness
✅ Total height 40 mm (1.57"), black head with corrosion resistant screw
✅ Material: plastic head; carbon steel screw for durability and corrosion resistance
✅ Color: black

💡 What is a clamping knob used for in workshop and industrial settings? Handy tool for quick, tool-free clamping and adjustments in fixtures and machines.
- Hand-tighten for fast clamping on fixtures and jigs
- Works with standard M6 threads in tapped holes
- Plastic head resists corrosion in shop environments
- Lightweight and easy to handle for repeated setups