Cobalt Metal Drill Bits – High-Speed Steel, DIN 338 - 4932373346
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Cobalt Metal Drill Bits – High-Speed Steel, DIN 338
Engineered for professional use, these metal drill bits are made from solid 5% cobalt-alloyed high-speed steel for extreme heat resistance and durability. Designed to tackle high-strength metals, including stainless steel and alloys with tensile strength over 1000 N/mm², these bits offer precision, longevity, and superior performance.
Key Features & Benefits:
QUAD EDGE™ Tip – combines a 135° split point and four cutting edges for precise starts and smaller chip formation to reduce heat buildup.
Variable flute geometry – improves material ejection, keeps the bit cooler, and extends life
Enhanced tapered web – wider core towards the shank increases core strength and flute durability
3-flat shank (from ⌀ 5 mm) – ensures better grip and prevents chuck slippage
Heat-resistant cobalt steel – ideal for drilling high alloy steels and metals with tensile strength >1000 N/mm²
Colour: Bronze
Specifications:
Material: 5% cobalt high-speed steel
Standard: DIN 338
Applications: Stainless steel, high alloy content metals, steels >1000 N/mm²
Shank: 3-flat from ⌀ 5 mm
Tip: QUAD EDGE™, 135° split point
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About the Brand
About the Brand
Milwaukee has built heavy-duty tools in America since 1924 and is our biggest brand, with over a thousand lines in stock. The range runs on the M12 and M18 battery platforms, with FUEL brushless tools for the heaviest work and Packout modular storage. It covers everything from drill bits and sockets to garden tools and heated jackets.
Shop Milwaukee by platform or by job: M18 for full-size tools such as combi drills, impact wrenches, grinders and saws; M12 for sub-compact ratchets, drivers and die grinders that get into tight spaces; Packout for storage; and the drill bits, sockets, hand tools and workwear that go with them. Most tools are available body only, so you can add to the batteries you already own.
Shipping & Returns
Shipping & Returns
Orders placed before 14:30 are usually dispatched the same working day. UK mainland delivery starts from £3.95 and typically takes 1–5 working days, with next day options available.
Highlands, Islands, Northern Ireland and offshore areas usually take 2–5 working days and may cost extra. These areas are not eligible for next day delivery.
Unused items can be returned within 14 days of delivery. Please email sales@toolmixdirect.co.uk before sending anything back. Some restrictions apply to PPE, consumables and clearance items.
Faulty or incorrect item? Let us know within 48 hours and we’ll put it right at no cost.
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