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Ships within 48 hours · Estimated delivery Oct 1 - Oct 6
batch after batch
STI-ready threading: creates the exact internal geometry required for reliable wire-thread inserts that restore damaged threads or reinforce high-load connections
HSS-E cobalt content boosts wear resistance for longer tool life in steel
making it ideal for deep-hole work
Dormer Pramet A520 5/16 Inch HSS TiN ADX STRAIGHT SHANK STUB DRILL DIN 1897 A&NF batch after batchThis 5 16 inch stub drill features a straight shank and compact length that suits standard drill chucks and collets used in machine shops, maintenance work, and fabrication. Built from premium high speed steel with a TiN coating, it produces accurate holes in steel, aluminum, and stainless steel without requiring excessive setup time or secondary operations. Thinned 130 Degree Point: Promotes reliable self centering so the drill starts on location
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