IRWIN HSS Cobalt Drill Bit, 3.5mm
IRWIN HSS Cobalt Drill Bit (3.5mm) for stainless steel & alloys. High heat resistance & precise 135° point.
The IRWIN HSS Cobalt Drill Bit is engineered for precision drilling in stainless steel and other high-alloy materials. Its 135° split point grinding ensures accurate centring and requires less drilling pressure, enhancing efficiency.
This industrial-quality drill bit features a ground flute that guarantees high accuracy and promotes rapid chip removal, preventing clogging during operation. The bit is manufactured from high-speed steel with 5% cobalt, which significantly improves heat resistance (red hardness) and extends the tool's lifespan.
Key Features:
- High-Quality HSS Steel with 5% Cobalt – Superior heat resistance and durability.
- 135° Split Point – Ensures precise centring and reduced pressure during drilling.
- Industrial-Grade Flute Design – Allows fast chip evacuation for clean, accurate holes.
- Golden Tempered Finish – Aesthetically appealing and corrosion-resistant.
Technical Specifications:
- Diameter: 3.5mm
- Working Length: 39mm
- Overall Length: 70mm
- Weight: 21g
Whether for professional workshops or demanding DIY tasks, the IRWIN HSS Cobalt Drill Bit delivers long-lasting performance and precision.
- Shipped within 0-2 business days
- Shipping to United States: 3-5 business days*
- Free Shipping Included
- Drilling stainless steel
- High-alloy metalworking
- Precision industrial drilling
- DIY metal projects
- Material: HSS Steel with 5% Cobalt
- Point Angle: 135° split point
- Finish: Golden tempered surface
- Flute: Industrial ground for chip removal
- Diameter: 3.5mm
- Working Length: 39mm
- Overall Length: 70mm
- Weight: 21g
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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