Dormer Pramet R454 4.40 mm CARBIDE TIALN FORCE-X STEPPED SHANK STANDARD SERIES (X5D) DRILL DIN 6537 L Step Drill Thread type: UNF threading for

Thread type: UNF threading for precise engagement in fine-thread applications

delivering consistent hole quality and longer tool life in a single

improving part interchangeability and reducing rework

and serious hobby spaces

smooth cutting: The spiral geometry enables smooth cutting at high feed rates

Dormer Pramet R454 4.40 mm CARBIDE TIALN FORCE-X STEPPED SHANK STANDARD SERIES (X5D) DRILL DIN 6537 L Step Drill Thread type: UNF threading forThe Dormer Pramet R454 4. 40 mm carbide drill is a precision drilling tool designed for reliable holes across steel, aluminium, and stainless steel. Featuring a DIN 6537 L stepped shank, it is ready for quick changes in common drill heads and fixtures, making it suitable for both production runs and workshop applications. With a focus on accuracy and consistency, this drill can deliver clean holes with h9 tolerance even at higher speeds and feeds.