SLOTTED Screw Driver Bits
CNC precision process.
Pretty sandblast finished, Laser marking.
Material:TaiWan S2 Steel,Hardness HRC 59°--62°,Special heat treatment techniques HRC 57°.
shaft concentricity correction,Better for instead of Japan,Germany brand etc.
Surface option: TIN, Nickelplate, Chromeplate, Black, Brown, etc.
TYPE SIZE PCS/SET PCS/CTN CTN SIZE SB-SHSL SL2.5 10PCS 1200PCS 23x28x21CM SL3 10PCS 1200PCS 23x28x21CM SL4 10PCS 1200PCS 23x28x21CM SL5 10PCS 1200PCS 23x28x21CM SL6 10PCS 1200PCS 23x28x21CM LENGTH(MM) 50/75/100/150/200/250/300MM