Description
Drillco 1312AR136 9/16″ Extra Length Drill 12″ OAL 1/2″ Shank is engineered for deep hole drilling where extended reach and precise performance are essential. Featuring a general purpose flute design, it provides efficient chip evacuation to maintain smooth operation even in challenging drilling environments. The 135° self-centering split-point reduces walking and thrust, ensuring accurate hole placement. Its 12″ overall length combined with a 1/2″ round shank makes it compatible with a variety of drilling tools.
Features:
- 12″ overall length for extended reach in deep hole drilling
- General purpose flute design for effective chip removal
- Self-centering 135° split-point reduces walking and thrust force
- Made with premium grade High-Speed Steel (HSS) for durability and long tool life
- Black oxide surface treatment improves corrosion resistance and wear life
- 1/2″ round shank for compatibility with standard drill chucks
Benefits:
- Enables precise drilling in hard-to-reach and deep locations
- Improves hole quality by minimizing walking and reducing thrust
- Durable construction supports extended use and reduces tool changes
- Versatile for use across a wide range of materials and drilling applications
Technical Specifications:
- Model: 1312AR136
- Size: 9/16″
- Overall Length: 12″
- Point Type: 135° split-point, self-centering
- Material: Premium grade HSS
- Finish: Black oxide
- Shank: 1/2″ round
- Application: Deep hole drilling in various materials






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