21.0MM Ground Flute Blacksmiths Drill.
Steam tempered blue finish. Standard helix +118 degree point.
Ground Flute, manufactured to UK industry standards.
1/2" reduced shank allows cutting of larger holes using a standard 1/2" or 13mm, 3-jaw chuck.
Suitable for steel, cast iron, copper, brass, iron and plastics.
Product Code: BSD21.0
