Professional 3.5mm HSS cobalt drill bits by IRWIN, perfect for stainless steel with 5% cobalt for heat resistance. 10-piece set.
The IRWIN Metric HSS Cobalt Drill Bits are engineered for professionals requiring precision and durability when drilling stainless steel and other high alloy steels. These bits feature 5% cobalt content, enhancing heat and abrasion resistance, while the heavy-duty web construction ensures exceptional strength and long-lasting performance.
A 135° split point design allows for immediate drilling with minimal bit walk, providing cleaner, more accurate holes without the need for centre punching. Manufactured to DIN 338 Standards, these drill bits guarantee consistent quality and reliability for industrial applications.
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Free standard delivery on US mainland orders. Express delivery options and international shipping available at checkout.
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