Size: 1.0 - 1.5 - 2.0 - 2.5 - 3.0 - 3.2 - 3.5 - 4 - 4.2 - 4.5 - 5.0 - 5.2 - 5.5 - 6.0 - 6.5 - 7.0 - 7.5 - 8.0 - 8.5 - 9.0 - 9.5 - 10.0 - 10.5 - 11 - 11.5 - 12 - 12.5 - 13mm
Packing: Metal Box
HSS Twist Drill Bit offers solid drilling for standard usage with metal.
* Hot roll-forged flute with special heat treatment gives additional toughness with increased durability of the drill bit;
* 118 degree point angle design for general purpose;
* 135 degree split point starts on contact in all types of metal, no walking or skating;
* Economical high speed steel bit for general drilling;
* Fully ground body, black oxide for the most accurate hole dimensions and high concentricity;
* Hardened high speed steel body provides additional safeguard.
For general using in steel, cast steel, malleable iron, sintered metal, non-ferrous metal and plastic.
