Knurled Thumb Screws, M8x20mm Flat Brass Bolts Grip Knobs Fasteners for PC, Electronic, Mechanical 10Pcs 2mmX5mm Inner Diameter (d): 50mm

Inner Diameter (d): 50mm

Outside Diameter: 161mm

Main Body Size: 143mm x 49mm / 5

NC means Normally Closed:When the magnet together

* 2 x Buffing Wheel

Knurled Thumb Screws, M8x20mm Flat Brass Bolts Grip Knobs Fasteners for PC, Electronic, Mechanical 10Pcs 2mmX5mm Inner Diameter (d): 50mmDescription: 1. Made of brass, this thumb screw 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 light covers, musical instruments, mechanical