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extending tool life and maintaining precise hole size through many cycles
efficient cut while the advanced chip-evacuation feature helps keep the groove clear for consistent performance
saving time and reducing the risk of leaks or misfits in critical systems
repeatable hole-making across a variety of materials
Dormer Pramet A520 5.40 mm HSS TiN ADX STRAIGHT SHANK STUB DRILL DIN 1897 Flat Bottom extending tool life and maintainingThe Dormer Pramet A520 5. 40 mm HSS TiN ADX Straight Shank Stub Drill (DIN 1897) is a precision twist drill designed for dependable holemaking across a range of metals. With a 5. 40 mm diameter and a straight shank, it fits standard chucks and holders, making it a reliable choice for engineers, technicians, buyers, tradespeople, and hobbyists alike. 130 thinned point for self centering and reduced push force; Titanium Nitride (TiN) coating to extend
