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
Ideal for professionals and serious DIY enthusiasts who require longevity and precision in metalworking applications.
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 PolicyWe 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.
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.
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.