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precise geometry: Designed for accurate thread relief
The A-Spiral flute design speeds chip clearance from blind holes
reducing tool changes and enabling you to tackle diverse jobs with a single insert
Thread type: Metric fine thread with A-Spiral Point for efficient chip evacuation and clean thread formation
Variable Index 4‑Flute Geometry for Efficient Cutting: The variable index design distributes the cutting edge evenly
Dormer Pramet R457 5.80 mm CARBIDE TIALN FORCE-X STEPPED SHANK COOLANT FEED SHORT SERIES (X3D) DRILL DIN 6537 K Indexable Insert precise geometry: Designed for accurateThe Dormer Pramet R457 is a 5. 80 mm carbide drill designed for reliable, precise holemaking with a DIN 6537 K shank and a compact short series (X3D) geometry. Its built to perform across a broad range of materials, from steel to aluminium, with tools you can depend on in production runs, workshops, or hobbyist projects. 140 four facet split point: Enables easy self centering at startup and reduces push force, delivering smoother hole entry and more
US$ 251.50
US$ 137.50
