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.
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- Dispatched within 0-2 business days
- Delivery to United States: 3-5 business days*
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- Metalworking
- DIY projects
- Professional applications
- Drilling in tough metals
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- 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 Australian 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.
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