alloy auger bit high hardness sharp and durable hardware kits

The alloy twist drill is made of 6542 high-speed steel, undergoes full heat treatment, and has a service life that is more than twice that of ordinary white drill, specifically designed for stainless steel.

Provide specifications:

1.0mm, 1.5mm, 2.0mm, 2.5mm, 2.8mm, 3.0mm, 3.2mm, 3.3mm, 3.5mm, 3.8mm

4.0mm, 4.2mm, 4.5mm, 4.8mm, 5.0mm, 5.2mm, 5.3mm, 5.5mm, 5.8mm

6.0mm, 6.2mm, 6.5mm, 6.8mm, 7.0mm, 7.5mm, 8.0mm, 8.2mm, 8.5mm

9.0mm, 9.5mm, 10.0mm, 10.2mm, 10.5mm, 11.0mm, 11.5mm, 12.0mm, 12.5mm, 13mm, 14mm.