T-200 M42 Cobalt Metric Jobber Drill Bit Set – 6.0–10.0mm x .1mm
MADE IN USA
Super Sonic T-200 series drill bits are engineered from premium M42 cobalt (8%) high-speed steel and manufactured to NAS 907J specifications. Built for maximum performance in hardened steels, stainless, and high-temp alloys, these cobalt jobber drills deliver exceptional hot hardness and tool life. The 135° split point ensures fast starts, reduced walking, and precision hole-making in production environments.
Set Includes:
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Metric sizes 6.0mm through 10.0mm in .1mm increments
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Packaged in a heavy-duty steel index case for organization and durability
Key Features:
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Jobber length design for versatility across applications
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M42 cobalt with 8% cobalt content for extreme wear resistance
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135° split point for quick penetration and reduced drill walking
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Manufactured to NAS 907J aerospace specifications
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Designed for rigidly held, positive-feed drilling equipment
Recommended For:
Aerospace, automotive, CNC production, fabrication shops, and applications requiring reliable drilling in hardened steels, stainless, titanium, and heat-resistant alloys.
