Premium 4.0mm HSS cobalt drill bit for stainless steel & high alloys. 135° split point, 5% cobalt, 75mm length. Ideal for precision drilling.
The IRWIN HSS Cobalt Drill Bit (4.0mm) is engineered for precision drilling of stainless steel and high-alloy materials. It features a 135° split point grinding, ensuring accurate centring and reduced drilling pressure for smoother operation. The industrial-quality ground flute promotes high accuracy and efficient chip removal, making it ideal for demanding drilling tasks.
Crafted from high-speed steel (HSS) with 5% cobalt, this drill bit excels in heat resistance (red hardness), significantly extending its lifespan compared to standard drill bits. The golden tempered surface finish not only enhances durability but also provides an attractive appearance.
Specifications
Free standard delivery on Canadian mainland orders. Express delivery options and international shipping available at checkout.
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