M42 COBALT 29-PIECE DRILL BIT SET – T-200

M42 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 for drilling 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.

MADE IN USA

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

• Built for the Toughest Metals: Handles stainless, hardened steel, Inconel, titanium, and more with ease.

• USA-Made Quality: Manufactured right here in the USA to the most exacting standards.

• Production-Grade Performance: Ideal for CNC, aerospace, machining, and industrial applications.

• Durability You Can Rely On: Cobalt steel core resists wear and holds sharpness under pressure.

• Full Round Shanks: No flats for precision centering in high-accuracy chucks.

Questions? Call 800-350-8665

Super Sonic™ T-200 M42 Set

Specs

Sizes: 1/16″ to 1/2″ by 64ths – 29 pieces
Material: M42 Premium Gold Cobalt
Point: 135° Split Point

Why This Set

Handles stainless, hardened steel, Inconel, titanium, and other tough alloys
USA-made to strict aerospace standards
Built for CNC, machining, and production work
Maintains edge under heat and pressure
Full round shanks for precise chucking (no flats)

Questions? Call 800-350-8665

Which Set Is Right for You?

Predator™ M35 = field use
Super Sonic T-200 M42 = maximum performance