Material: Plastic, carbon steel. Plum hex shape screw is not only resistant to wear, corrosion and high temperature, but also not easy to rust and has a long service life.
Dimension: Head Dia: 38mm / 1.47", Thread Size: M8 x 40mm (D*L).
Easy to Tighten by Hand: The screw with plum hex-shaped nut can be easily tightened by hand, no need for other tools. Great replacement for your broken one with this knob.
Hex Shape Design: Secure grip for the ultimate in adjusting and tightening control.
Application: Widely used for lathe machine, mechanical equipment, instrument and apparatus, industry equipment, household appliances.