The Irwin 11mm HSS Cobalt Drill Bit is designed for heavy-duty drilling in stainless steel and other high alloys, delivering robust performance for demanding metalworking applications. This larger diameter is particularly useful for substantial clearance holes, pilot holes for larger operations, and fabrication work requiring reliable performance in challenging materials. The drill bit body is manufactured from premium HSS steel containing 5% Cobalt, which significantly enhances the red hardness (heat resistance) and results in extended service life. This Cobalt content allows the bit to maintain its cutting edge even under the demanding conditions encountered when drilling stainless steel and other challenging high alloy materials. Featuring 135° split point grinding, this bit ensures perfect centring on your mark without bit walk, whilst reducing the drilling pressure required for clean, accurate hole placement. The industrial quality ground flute design facilitates high accuracy drilling and fast chip removal, preventing clogging and maintaining cutting performance throughout the operation. The golden tempered surface finish reflects superior heat treatment for enhanced durability and performance in professional heavy-duty applications. Features and Benefits: • 11mm diameter for heavy-duty drilling tasks • 5% Cobalt for exceptional heat resistance • Perfect centring with 135° split point grinding • Extended life in stainless steel and high alloys Specifications: Tip Diameter (mm): 11.0 Working Length (mm): 94 Overall Length (mm): 142 Pack Qty.: 1

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