M42 Premium Gold Cobalt Drill Bit Set – 29-Piece Jobber Set, USA-Made
The Super Sonic™ T-200 Fractional Cobalt Drill Bit Set is your go-to solution for serious metal drilling in production shops, aerospace applications, and anywhere performance matters. This 29-piece set covers sizes from 1/16″ to 1/2″ in 1/64″ increments, precision-made in the USA from top-grade M42 cobalt steel.
Engineered to tackle hard metals, these jobber-length drills are built to endure extreme heat and maintain their edge longer. Manufactured to NAS 907J aerospace specifications and finished with a premium gold surface treatment, they cut cleaner and last longer—even under the most punishing conditions.
The 135° split point design ensures fast starts and accurate drilling without the need for a pilot hole.
Sizes: 1/16″ to 1/2″ by 64ths – 29 pieces
Material: M42 Premium Gold Cobalt – Superior heat and wear resistance
Point: 135° Split Point – Self-centering, aggressive, and precise
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Built for the Toughest Metals: Handles stainless, hardened steel, Inconel, titanium, and more with ease.
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USA-Made Quality: Manufactured right here in the USA to the most exacting standards.
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Production-Grade Performance: Ideal for CNC, aerospace, machining, and industrial applications.
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Durability You Can Rely On: Cobalt steel core resists wear and holds sharpness under pressure.
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Full Round Shanks: No flats for precision centering in high-accuracy chucks.
Questions? Call 800-350-8665
Which Set Is Right for You?
Running handheld drills or working in the field? The Predator™ M35 Cobalt Set is a battle-tested favorite—built to take daily abuse and keep cutting.
Need maximum performance for hardened alloys, tight tolerances, and machine-driven drilling? Step up to the Super Sonic T-200 M42. It’s made for environments where failure isn’t an option.
Need both? Many pros do. Predator gets thrown in the truck, Super Sonic stays in the shop for mission-critical work.
