10pcs 4mm Round Shank Hex Bits H1.5 Set Fit for 800 Torque Electric Screwdriver
Bit Material：S2 alloy tool steel
Hardness: HRC60±
Hardness: HRC60±
Total Length: 40 mm
4 mm Round Shank
4 mm Round Shank
Driver Type: Hex
Bit Specification: H1.5
Bit Specification: H1.5
Bits Size = d1*L1*d2*L2 = Shank diameter*Total Length*Rod diameter*Rod Length*Bit Specification
Ø4*40*Ø2.0*20*H1.5
Packing Quantity: 10pcs