Set Of 2 M8 X 40mm Star Hand Knobs Plastic Hex Shaped Clamping Knobs For Tightening Screws And Easy Adjustment On Machinery Workbenches And Equipment With Durable Plastic Construction For Long Lasting Performance And Easy Install

Two-Pack M8 Star Hand Knobs: Plastic Head, Steel Stud
✔️ 2 pcs M8 x 40mm star knob, plastic head, zinc-plated steel stud

These star hand knobs are handy fasteners with a hex-style grip for quick tightening and release. They’re ideal for securing fixtures in furniture, electronics stands, woodworking jigs, and other setups where tool-free adjustment helps a lot. Thread size M8 x 40mm (1.57 in) and head diameter 37.5mm (1.48 in) provide solid grip and broad compatibility.

✅ Material: Plastic head; carbon steel stud with corrosion-resistant zinc plating
✅ Thread size: M8 x 40mm (1.57 in); head diameter 37.5mm (1.48 in)
✅ Package: 2 pieces per pack
✅ Easy install: hex-shaped grip, no tools needed

💡 What is a star knob used for in mechanical assemblies?

This handy knob makes quick, tool-free adjustments in a range of fixtures and devices.

- handy for quick clamp adjustments on jigs and benches
- fits standard M8 threaded holes for easy retrofits
- ideal for furniture, electronics stands, and hobby projects
- durable plastic head with zinc-plated steel screw resists wear in busy spaces