Drillco 47/64" Extra Length Drill 12" OAL 1/2" Shank (1312AR147)
Drillco 1312AR147 47/64" Extra Length Drill 12" OAL 1/2" Shank is designed for demanding deep hole drilling applications requiring extended reach and enhanced durability. This 12" overall length drill features a general purpose flute design for efficient chip evacuation and stable cutting performance. Crafted from premium grade cobalt high-speed steel, it offers superior hardness and heat resistance, making it ideal for drilling tougher materials. The 1/2" round shank ensures secure chucking and reliable torque transmission in both portable and machine setups.
12" overall length for accessing deep or hard-to-reach holes
General purpose flute design optimized for smooth chip removal
Premium grade cobalt high-speed steel construction for increased hardness and durability
Self-centering 135° split-point reduces thrust and minimizes walking
Bronze surface treatment enhances lubricity and wear resistance
1/2" round shank for secure grip and improved stability in chucks
Drills approximately 30% faster than standard HSS bits
Excellent for tough materials including stainless steel and alloys
Provides precise, stable drilling with minimal walking
Efficient chip evacuation reduces clogging and heat buildup
Durable design ensures long service life in demanding environments
Technical Specifications:
Model: 1312AR147
Drill Size: 47/64"
Overall Length: 12"
Flute Design: General purpose
Material: Premium grade cobalt high-speed steel
Point Angle: 135° split-point
Surface Treatment: Bronze
Shank Diameter: 1/2"
Shank Type: Round
Product identification
- Brand: Drillco
- Model / MPN: 1312AR147
