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10-Piece M35 Cobalt Drill Bit Set, 4.2mm Metric for Hard Metal - style: ⌀4.2mm(10pcs)
$17.64
About this item
- PREMIUM M35 ALLOY: Engineered with 5% cobalt-infused high-speed steel, offering exceptional heat resistance and superior longevity even under demanding heavy-duty machining tasks.
- PRECISION ENGINEERING: Features a dual twist design for rapid chip clearing, while the chamfered straight shank ensures a secure, wobble-free grip in most standard chucks.
- NO-WALK PENETRATION: Self-centering tips eliminate skating on smooth surfaces, providing effortless starts and flawlessly clean holes with significantly reduced user fatigue.
- PROFESSIONAL VERSATILITY: Manufactured to strict industrial specifications, delivering reliable cutting power through stainless steel, cast iron, plastics, and various woods.
- EXACT DIMENSIONS: Each tool measures exactly 44 millimeters in working flute length and 74 millimeters overall, safely organized in a durable, protective plastic container.
Overview
- Material: Cobalt
- Cutting Diameter: 4.2mm millimeters
- Finish Type: Bronze
- Shank Type: Straight
- Cutting Angle String: 135 degrees