Drill Bits

Rockhard Jobber Twist Drill Bits, Black Oxide (135° Point, Made in USA)

Name: Rockhard Jobber Twist Drill Bits, Black Oxide (135° Point, Made in USA)
Availability: InStock

$10.12

Diameter x Total Length x Usable Length

Dependable Drilling for General Purpose Applications

The Rockhard Jobber Twist Drill Bit is your heavy-duty, general-purpose workhorse, essential for any professional or industrial setting. Proudly Made in the USA using high-quality materials, this bit is designed for dependable performance across a vast range of common materials.

Material Compatibility: Drills cleanly and efficiently through wood, steel, plastic, cast iron, and various other common materials.

Key Features for Extended Life:

Immediate Cutting Start: The standard 135-degree point geometry ensures the bit begins cutting immediately upon contact, reducing bit "walking" and providing quick, positive engagement with the material.
Premium M2 HSS Construction: Manufactured from high-quality M2 High-Speed Steel (HSS), offering superior hardness and wear resistance compared to standard HSS alloys.
Black Oxide Wear Treatment: The bits feature a high-temperature, black oxide surface treatment. This finish increases the bit's wear resistance, reduces friction during drilling, and provides enhanced protection against corrosion.
American Quality: Manufactured with precision right here in the USA, guaranteeing consistent quality and reliability on every job.