Thumbscrew Ni-plated Steel High Head Step Knurled Thumb Screw M4x 5-30mm Bolts
▷ Product Description ◁
◪ Model：High head knurled hand screw
◪ Standard: GB834
◪ Shape:knurled step
◪ Size:M4
◪ Material:carbon steel
◪ Surface:natural color
◪ Thread type:coarse teeth
◪ Specification=Thread diameter*Length (excluding head)
◪ Standard: GB834
◪ Shape:knurled step
◪ Size:M4
◪ Material:carbon steel
◪ Surface:natural color
◪ Thread type:coarse teeth
◪ Specification=Thread diameter*Length (excluding head)