With 4 flutes and variable index geometry
enabling consistent results across threading
helping extend tool life and maintain dimensional stability across finishing passes
improving control and reducing chatter
with flexibility to pair with your preferred cutting fluids or oil without interference from coatings
Dormer Pramet R454 29/64 Inch CARBIDE TIALN FORCE-X STEPPED SHANK STANDARD SERIES (X5D) DRILL DIN 6537 L ISO Insert - SC Style With 4 flutes and variableMeet the Dormer Pramet R454 carbide drill, 29 64 inch, from the STANDARD SERIES (X5D) with a DIN 6537 L stepped shank. Designed for professionals and serious hobbyists, it delivers reliable, precise hole quality in steel, aluminum, and stainless and starts cleanly thanks to a 140 four facet split point. With TiAlN coating for longer life, a CTW flute design for strength at higher speeds and feeds, and premium carbide material, this drill is built to