IWATATOOL Japanese HSS Center Drill

Center hole processing

Center Hole as basis for including shaft processing has importance for out of roundness, surface roughness and precision of angle. Sharpness is needed for attainment.

IWATATOOL attained that sharpness with strong spiral and thin web thickness.

Also attained that Center Drill which is hard to chip by salt bath heat treatment.

Drill locating hole processing

Used for chamfering or spot drilling on process of hole processing by drill.

Has effect that spot drilling precision, out of roundness,prevent bending of the hole when the drill is processed.