IRWIN HSS Cobalt Drill Bit 4.2mm x 75mm for Stainless Steel
High-performance IRWIN HSS cobalt drill bit (4.2mm) for stainless steel with 135° split point and extended durability.
The IRWIN HSS Cobalt Drill Bit is designed for professional-grade performance when drilling into stainless steel and other high alloys. Featuring a 135° split point design, it ensures perfect centring and requires reduced drilling pressure, making it highly efficient and accurate.
The industrial-quality ground flute enables high-precision drilling and allows for fast removal of chips, maintaining smooth operation throughout your work. The drill bit is manufactured from high-speed steel (HSS) with an added 5% cobalt (Co) content, significantly enhancing its red hardness (heat resistance) and extending its lifespan. The attractive golden tempered surface finish also adds durability and corrosion resistance.
Key Features
- Material: HSS with 5% Cobalt for heat resistance
- Point Angle: 135° split point for precise centring
- Surface Finish: Golden tempered for durability
- Diameter: 4.2 mm
- Working Length: 43 mm
- Overall Length: 75 mm
Ideal for professionals and serious DIY enthusiasts who require longevity and precision in metalworking applications.
Need larger quantities? Need additional quantities? Get in touch and we'll arrange it for you.
- Dispatched within 0-2 business days
- Delivery to United States: 3-5 business days*
- Free Shipping Included
- Drilling stainless steel
- Drilling high alloys
- Precision metalworking
- Industrial applications
- Material: HSS with 5% Cobalt
- Point Angle: 135° Split Point
- Surface Finish: Golden Tempered
- Diameter: 4.2 mm
- Working Length: 43 mm
- Overall Length: 75 mm
- Weight: 22 grams
Always follow local regulations and product guidance.
Free standard delivery on Canadian 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 utmost care with your payment and personal details. Our website uses 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 cart 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 ask you to contact us by phone. If you receive an email requesting sensitive information, do not respond and let us know immediately.
You might like
