Feature●Standard straight shank drill. Made from Swedish steel as the base material.●Blade diameter: 0.5 inches (12.9 mm); Groove length: 4.5 inches (114 mm); Total length: 6.0 inches (152 mm); Shank diameter: 0.5 inches (12.9 mm); Weight: 4.3 oz (110 g)●Grinding grooves. Fully polished finish for excellent sharpness.●High Speed Steel (HSS)Description
●一般鉄鋼用です。