19 Piece Bright HSS Jobber Drill Set in ABS Plastic Case thus reducing friction and cold

thus reducing friction and cold welding

stainless steel plate and synthetic resin plates up to 4mm thick

Black Finish Twist Drills (also called blue finish) achieve their distinctive colour by steam tempering

The intersection of the hole and cone form the cutting edge on the tool

Durable soft grip chemical resistant handles

19 Piece Bright HSS Jobber Drill Set in ABS Plastic Case thus reducing friction and coldBordo Metric 19 Piece Quick Silver M2 HSS Twist Drill Set in ABS Plastic Case 1. 0 10. 0mm x 0. 5mm rises DIN338 118 Split Point (crankshaft point). Split point is self centering and reduces the need for end thrust. Friction at workpiece is reduced. 118 point angles are ideal for use in materials such as mild steel and cast iron. The 118 point creates easily controlled chips which are wide and thin. Bright Finish Twist Drills have no surface treatment