IRWIN HSS Pro TiN Coated Drill Bit Set, 2.5mm x 57mm, 2-Pack
Premium TiN-coated HSS drill bits (2.5mm x 57mm) for metal/alloys. 40–60% faster drilling. Heat-resistant & durable.
The IRWIN HSS Pro TiN Coated Drill Bits are engineered for precision drilling in metal and tough alloys. These high-speed steel (HSS) drill bits feature a Titanium Nitride (TiN) coating, enhancing their durability and performance. The TiN coating provides a hardness of approximately 80 HRC, ensuring superior wear resistance and extended bit life.
- Increased Speed & Efficiency: Compared to traditional HSS bits, these allow 40–60% higher drilling speeds and 10–20% increased feed rates without compromising bit lifespan.
- Optimised Heat Dissipation: TiN’s poor conductivity directs heat into the chips and coolant, reducing wear on the drill bit.
- Precision Design: The 135° split point grinding tip ensures accurate centring and reduces drilling pressure for smoother operation.
- Reduced Friction: The TiN coating’s low coefficient of friction minimises power consumption and heat generation during drilling.
Ideal for professionals and DIY enthusiasts alike, these drill bits deliver long-lasting performance in demanding applications.
- Shipped within 0-2 business days
- Shipping to Worldwide: 6-7 business days*
- Free Shipping Included
- Drilling metalwork
- Drilling hard alloys
- Precision industrial applications
- Automotive and fabrication work
- Material: High-Speed Steel (HSS) with TiN Coating
- Coating Thickness: 2.5µm Titanium Nitride
- Hardness: 80 HRC
- Point Angle: 135° Split Point
- Bit Size: 2.5mm (Diameter)
- Overall Length (OL): 57mm
- Working Length (WL): 30mm
- Weight: 6g (approx.)
- Quantity: 2-Pack
Always follow local regulations and product guidance.
Free standard delivery on US mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For defective items, contact us within 14 days for a replacement or refund.
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