IRWIN HSS Pro TiN Coated Drill Bit, 3.5mm x 70mm
High-speed TiN-coated drill bit for metal & alloys. 40-60% faster drilling, 135° split point for precision.
The IRWIN HSS Pro TiN Coated Drill Bit is engineered for superior performance when drilling metal and tough alloys. With its advanced Titanium Nitride (TiN) coating, this drill bit allows for 40-60% faster drilling speeds and 10-20% increased feed rates compared to standard HSS bits, without significantly compromising tool life.
At the core of its design is a 135° split point tip, which ensures precise centring and reduces the pressure required during drilling. This feature minimises bit walking and enhances accuracy, making it ideal for professional metalworking applications.
The 2.5μm TiN coating offers exceptional hardness (approximately 80 HRC) and wear resistance, while its low heat conductivity helps divert heat into the chips and coolant rather than the drill bit itself. This reduces friction, lowers power consumption, and extends the bit's durability.
Specifications
- Material: High-Speed Steel (HSS)
- Coating: Titanium Nitride (TiN), 2.5μm
- Hardness (Coating): ~80 HRC
- Point Angle: 135° split point
- Drilling Capacity: Metal, hard alloys
- Size: 3.5mm diameter x 70mm overall length
- Work Length: 39mm
Ideal for professional tradespeople and DIY enthusiasts alike, the IRWIN HSS Pro TiN Coated Drill Bit combines speed, precision, and longevity for demanding drilling tasks.
- Dispatched within 0-2 business days
- Delivery to United States: 3-5 business days*
- Free Shipping Included
- Metal drilling
- Hard alloy drilling
- Precision centring applications
- High-speed drilling tasks
- Material: High-Speed Steel (HSS)
- Coating: Titanium Nitride (TiN), 2.5μm
- Hardness (Coating): ~80 HRC
- Point Angle: 135° split point
- Size: 3.5mm diameter x 70mm overall length
- Work Length: 39mm
- Weight: 6g
Always follow local regulations and product guidance.
Free standard delivery on Australian mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For faulty items, contact us within 14 days for a replacement or refund.
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