High-type Knurled Thumb Screw Hand Grip Knob Bolt

Specification:

Material: Solid Brass

Thread Diameter: M3 M4 M5 M6 M8 M10

Thread Pitch: M3*0.5;  M4*0.7;  M5*0.8;  M6*1;  M8*1.25;  M10*1.5

Specification Eg: M3*20 ( thread diameter = 3mm, length = 20mm not including the head)

Packing: Plastic bag / Carbon Box