M4 M5 -M8 Clamping Thumb Screw Tee Wing Knob Head Hand Grip Bolt Plastic #27 #36

Screws Size: M4 M5 M6 M8. Thread integrity The surface is smooth, the screw mouth is deep, the force is uniform, and it is not easy to take off the teeth. Screw: 304 Stainless Steel. Material: Stainless Steel+Plastic.

eBay