Description
Drillco 1312AR148 3/4″ Extra Length Drill 12″ OAL 1/2″ Shank is engineered for demanding deep hole drilling where precision, reach, and durability are critical. With a 12″ overall length and a sturdy 1/2″ round shank, this cobalt high-speed steel drill excels at cutting through tough materials such as stainless steel, titanium, and hardened alloys. Its general purpose flute design optimizes chip evacuation for smooth drilling in industrial, automotive, and aerospace applications.
Features:
- Made with premium grade cobalt HSS for enhanced hardness and heat resistance
- Cobalt drills can drill approximately 30% faster than standard HSS drills
- Self centering 135° split-point reduces thrust and minimizes walking
- 12″ overall length provides extended reach for deep or difficult-to-access holes
- Bronze surface treatment enhances lubricity and reduces friction
- Round 1/2″ shank ensures secure grip and compatibility with standard drill chucks
Benefits:
- Delivers consistent, precise holes in challenging materials
- Improves drilling speed and efficiency over conventional HSS bits
- Reduced walking ensures accurate hole placement and easier starts
- Extended length allows access to recessed or deep drilling points
- Lower friction reduces heat build-up, extending tool life
Technical Specifications:
- Model: 1312AR148
- Size: 3/4″
- Overall Length: 12″
- Shank Diameter: 1/2″
- Material: Cobalt high-speed steel
- Point Angle: 135° split-point
- Surface Treatment: Bronze
- Shank Style: Round
- Flute Design: General purpose with long flutes
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