Feature●Type: drill bits; Shank diameter: approx3.175mm; Material: Tungsten carbide●Suitable for: print circuit board●100% brand new and high quality●Direct Fit, Easy installation, and Simple operation●Made of high quality material, durable and practical to use[0.9mm A]
Description Type: drill bits
Shank diameter: approx3.175mm
Material: Tungsten carbide
Suitable for: print circuit board
Package content:10pcs drill