Electronics Slotted Driver Bits
Driver type:
Dia.4mm Driver Bits
Other driver type available:
Dia.5mm driver bits
Dia.6mm driver bits,etc.
Material:TaiWan S2 Steel,Hardness HRC 59°,Special heat treatment techniques HRC 57°.
Shaft concentricity correction for each driver bits,same level for Japan,Germany brand.
laser marking,pretty sandblast finished.
Surface option: TIN, Nickelplate, Chromeplate, Black, Brown, etc.
TYPE SIZE PCS/SET PCS/CTN CTN SIZE SB-E4SL SL1.5 10PCS 1200PCS 23x28x21CM SL2 10PCS 1200PCS 23x28x21CM SL3 10PCS 1200PCS 23x28x21CM SL4 10PCS 1200PCS 23x28x21CM LENGTH(MM) 40/60/100/150/200/250/300MM