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Norseman Jobber Length Drill Bits - Fractional Sizes

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Norseman Jobber Length Drill Bits - Fractional Sizes
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Description

Norseman HSS 135° Split Point NAS 907B Type 190-AQF

Substantially longer cutting life - The nitro-carburized flute has an increased Rockwell hardness.

Cuts harder materials - The flatter point takes a smaller chip. More torque is directed to a smaller area. This allows drilling into materials with hardness of over 30 on the Rockwell "C" scale.

Stops drill walking - The split point design gives accurate starting without the use of a center punch.

Holds tighter hole size - The split point design is self centering. This limits the normal oversize drilling characteristics.

Runs cooler, uses less torque - 135° point takes a smaller chip resulting in less heat. Friction is reduced by amber gold surface treatment.

Stops chuck slippage - Flats on drill shanks allow easy positive chuck grip.

Specific Features

 Low temperature stress relief improves lubricity and toughness.

Manufactured to NAS 907B specification from Premium Hi-molybdenum steel.

Magnum will substantially outperform cobalt drills in work hardening stainless steel and other tough drilling applications.


29 piece set with plastic case pictured here. Sizes 1/16" through 1/2"

Purchase 20 or more of the same size and receive a 10% volume discount! For even more savings, contact us about becoming one of our registered retailers.

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