Dormer Pramet R520 7.40 mm CARBIDE TiN CDX STRAIGHT SHANK STUB DRILL DIN 6539 Standard Digital Calipers it supports a wide range

it supports a wide range of threading tasks while delivering clean finishes and reliable performance

Why this tap is a practical choice

straight holes right from the first cut

Kerf (blade thickness): 1

providing efficient material removal and precise finishes

Dormer Pramet R520 7.40 mm CARBIDE TiN CDX STRAIGHT SHANK STUB DRILL DIN 6539 Standard Digital Calipers it supports a wide rangeThe Dormer Pramet R520 7. 40 mm carbide drill with a straight DIN 6539 shank is designed for engineers, fabricators, and hobbyists who need reliable, precise hole drilling across steel, stainless steel, and aluminum. Its 130 point helps self center the hole and reduces the push force required, making setup quicker and more predictable. The combination of premium carbide and a TiN coating delivers longer tool life and consistently sharp performance.