Brass Knurled Thumb Nuts, M3x0.5mm Round Stepped Knobs Fasteners 24Pcs 0.8-1RPM Includes zinc alloy metal clamp

Includes zinc alloy metal clamp

The copper washer is good quality

Rotating Diameter: 38mm/1

65 inch (H*Max Outer Dia)

Brass Knurled Thumb Nuts, M3x0.5mm Round Stepped Knobs Fasteners 24Pcs 0.8-1RPM Includes zinc alloy metal clampDescription: 1. Made of brass, this thumb nut knob is good for needs requiring high appearance, has corrosion resistance, rust resistance, good wear resistance, well fastening function and long lasting service than other material. 2. Applied in home appliances, communications industry, automotive industry, etc. Widely used in the installation, maintenance, and fixing of various daily needs: such as 3D printer beds, mechanical assemblies, machine