Faithfull Professional Cobalt Jobber Drill Bit 4.2mm (Pack of 2)
High-performance Faithfull 4.2mm cobalt drill bits for tough materials. 5% cobalt content for heat resistance & durability.
Faithfull Professional Cobalt Jobber Drill Bits are manufactured from M35 HSSE grade steel with a 5% cobalt content for increased heat resistance and enhanced cutting performance. These bits are precision-ground to meet DIN 388 standards, ensuring high geometric accuracy and tight tolerances for professional results.
Each bit features a 135° non-slip split point, which provides precise centring and reduces walking for cleaner, more accurate drilling. The cobalt content significantly extends tool life, even when working with tough materials, making these bits ideal for demanding industrial applications.
Applications These drill bits are designed for use with:
- Alloy steels
- Carbon steels
- Cast iron
- Hardened alloy steels
- Stainless steels
- High-temperature alloys
- Titanium alloy
- High-strength steel
- Carbon fibre composite materials
Specifications
- Diameter: 4.2mm
- Overall Length: Not specified
- Working Length: Not specified
- Pack Size: 2
For professionals who demand high performance and long-lasting durability, Faithfull Professional Cobalt Drill Bits provide reliable results across a wide range of challenging materials.
Need larger quantities? Need additional quantities? Get in touch and we'll arrange it for you.
- Alloy steels
- Carbon steels
- Cast iron
- Hardened alloy steels
- Ask Claude, ChatGPT or Perplexity to find the right tool, with our live prices and stock.
- Get a ready-made basket: one link puts everything in your basket here.
- You always pay securely here: your assistant never sees your card.
- Material: M35 HSSE steel with 5% cobalt
- Point angle: 135° non-slip split point
- Manufactured to DIN 388 standards
- Diameter: 4.2mm
- Pack Size: 2
- Weight: 16g
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.
Similar Products
You may like
