HSS Cobalt Drill Bits
IRWIN HSS Cobalt Drill Bits
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HSS Cobalt Drill Bits
Features:
- 5% Cobalt for higher heat and abrasion resistance
- Heavy-duty web construction for strength and durability
- 135° split point begins drilling immediatlely, minimizing bit "walk"
- Manufactured to DIN 338 Standards
- Application: tough metal drilling, including heavy-duty abrasive alloy metal drilling on hardened steel (heat-treated)