M4 knurled head stainless steel thumb screw
Thumb Screw:
Stainless steel thumb screws are harder than aluminum thumb screws and brass thumb screws.
Features:
- 1.Steel thumb screw have a round, knurled head.
- 2.Metal knurled thumb screws can be easily assembled and disassembled without tools.
Packing:
PE bag+carton or customer packaging is accepted
Shipping Method:
By Air, By Sea, International Express, such as DHL, UPS, FedEX, TNT.
Thumb Screw technical drawing: