Silverline Cobalt Drill Bits 2pk, 4.0mm
Silverline 4.0mm cobalt drill bits (2pk) for high-strength, wear-resistant drilling in tough materials. DIN338 certified.
The Silverline Cobalt Drill Bits 2pk (4.0mm) are crafted from M35 high-speed steel with 5% cobalt, offering exceptional strength and wear resistance for demanding drilling applications. These bits feature a precision 135° split point that prevents walkaround, ensuring accurate drilling right from the start.
Fully ground with an amber finish, these drill bits provide superior cutting performance and longevity, making them ideal for tough materials like stainless steel and hardened metals. Manufactured to DIN338 standards, these bits guarantee consistent quality and reliability. For optimal performance, always use a cooling agent during operation to prolong the tool's lifespan and efficiency.
- Size: 4.0mm
- Material: M35 high-speed steel
- Cobalt content: 5%
- Point angle: 135° split point
- Finish: Amber
- Standard: DIN338
- Weight: 20g
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.
