19 Piece HSS Roll Forged Black Finish Drill Bits Set
Overview
19 Piece HSS Roll Forged Black Finish Drill Bits Set
A great general purpose metal cutting drill bit;
Hot roll-forged flute with special heat treatment gives additional toughness with increased durability of drill bit;
118 degree tip cutting angle;
This contains: 1.0mm, 1.5mm, 2.0mm, 2.5mm, 3.0mm, 3.5mm, 4.0mm, 4.5mm, 5.0mm, 5.5mm, 6.0mm, 6.5mm, 7.0mm, 7.5mm, 8.0mm, 8.5mm, 9.0mm, 9.5mm, 10.0mm.