Drillco 3/4" Extra Length Drill 12" OAL 1/2" Shank (1312AR148)
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.
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
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
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
Product identification
- Brand: Drillco
- Model / MPN: 1312AR148
