IRWIN HSS Cobalt Drill Bit 11mm
Premium 11mm IRWIN cobalt drill bit for stainless steel & alloys. 5% cobalt enhances heat resistance & durability.
The IRWIN HSS Cobalt Drill Bit (11mm) delivers exceptional performance when drilling stainless steel and other high alloy materials. Its advanced 135° split point design ensures accurate centring while reducing drilling pressure, resulting in cleaner and more precise holes. The industrial-quality ground flute allows for high accuracy drilling with efficient chip removal.
Crafted from premium HSS steel with an added 5% Cobalt (Co), this drill bit offers superior red hardness (heat resistance), significantly enhancing its durability and lifespan. The golden tempered surface finish not only provides an attractive look but also indicates the high-quality manufacturing process.
Perfect for professional workshops and serious DIY enthusiasts, this drill bit is designed to maintain sharpness even under strenuous conditions, ensuring consistent performance over time. Whether you're working with tough metals or need a reliable bit for repetitive tasks, this IRWIN drill bit is built to last.
Key Features:
- Material: HSS steel with 5% Cobalt for enhanced durability
- Point Angle: 135° split point for precise centring
- Ground Flute: Ensures high accuracy and fast chip removal
- Heat Resistance: Cobalt increases red hardness for prolonged use under high temperatures
- Dimensions: Diameter 11.0 mm, Working Length 94 mm, Overall Length 142 mm
Ideal for metalworkers, engineers, and tradespeople who demand precision and reliability from their tools.
Free 24 Hour Delivery*
263 shoppers already locked free delivery today
Save on courier fees worth £6.99
- Drilling stainless steel
- Working with high alloy metals
- Precision metalworking tasks
- Industrial and workshop applications
- Material: High-speed steel (HSS) with 5% Cobalt
- Point Angle: 135° split point
- Flute Type: Ground for high precision
- Heat Resistance: Enhanced red hardness
- Diameter: 11.0 mm
- Working Length: 94 mm
- Overall Length: 142 mm
- Weight: 90 g
- Finish: Golden tempered surface
Always follow local regulations and product guidance.
Free standard delivery on UK 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.
View Full Delivery & Returns PolicySecure Transactions
We take the utmost care with your payment and personal details. Our website employs advanced encryption technology, including Secure Sockets Layer (SSL), to protect your information during transmission. You can verify a secure connection by looking for 'https' and a locked padlock in your browser.
Cookie Policy
Cookies enhance your shopping experience by keeping track of your basket and remembering you when you return. We also use banner advertising based on your browsing history to present products of potential interest.
Security Warning
Beware of phishing scams! We will never ask for personal details via email. If such information is required, we'll request you to contact us by phone. If you receive an email requesting sensitive information, do not respond and let us know immediately.
