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Coating: AcuRea multi‑layer nano chrome coating for enhanced wear resistance
One of its standout features is the high-strength cutting edge achieved through an optimized rake angle
Be mindful of depth: ISO 529 guidance and common practice suggest avoiding thread lengths longer than about 1
Material: K30 carbide for stiff
Thread specification: Metric M18x1
Dormer Pramet R454 8.20 mm CARBIDE TIALN FORCE-X STEPPED SHANK STANDARD SERIES (X5D) DRILL DIN 6537 L Outer Cartridge Coating: AcuRea multi‑layer nano chromeThe Dormer Pramet R454 8. 20 mm carbide drill is built for fast, accurate hole making in steel, aluminium, and stainless steel. It features a 140 4 facet split point for self centering starts with reduced push force, a TiAlN coating to extend tool life, and a CTW flute design that supports higher speeds and feeds. With a DIN 6537 L standard shank and a Force X stepped shank configuration, it ensures secure seating in common holders for reliable
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