Drillco 11/16" Extra Length Drill 12" OAL 1/2" Shank (1312AR144)
Drillco 1312AR144 11/16" Extra Length Drill, 12" Overall Length, 1/2" Shank is designed for deep hole drilling applications requiring extended reach and precision. Manufactured with premium cobalt high-speed steel and built to perform reliably across a wide range of materials, this drill delivers enhanced cutting speed and durability. Its 12" length and 1/2" round shank enable drilling in hard-to-reach areas while maintaining excellent control and accuracy.
12" overall length for extended reach in deep or confined drilling tasks.
General purpose flute design promotes efficient chip evacuation.
Constructed from premium cobalt high-speed steel for superior hardness and heat resistance.
Self-centering 135° split-point reduces walking and thrust for cleaner starts.
Bronze surface treatment provides high lubricity and improved wear resistance.
1/2" round shank ensures compatibility with standard drill chucks and machines.
Drills approximately 30% faster than standard HSS for increased productivity.
Ideal for tougher materials including stainless steel and heat-resistant alloys.
Reduced operator fatigue due to smoother starts and lower thrust requirements.
Versatile use in both handheld power tools and stationary drilling equipment.
Technical Specifications:
Model: 1312AR144
Drill Size: 11/16"
Overall Length: 12"
Flute Type: General Purpose, Long Flute
Point Type: 135° Split Point
Material: Cobalt High-Speed Steel (HSS)
Surface Finish: Bronze
Shank Diameter: 1/2"
Shank Type: Round
Application: Deep hole drilling in tough, heat-resistant materials
Origin: Made in USA
Product identification
- Brand: Drillco
- Model / MPN: 1312AR144
