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.
Free standard delivery on Canadian mainland orders. Express delivery options and international shipping available at checkout.
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