Drillco 5/8" Extra Length Drill 18" OAL 1/2" Shank (1318AR140)
Drillco 1318AR140 5/8" Extra Length Drill 18" OAL 1/2" Shank is designed for deep drilling in thick or hard-to-access materials where both reach and precision are essential. Featuring an overall length of 18", this bridge-length bit is constructed from durable high-speed steel (HSS) to withstand repeated use under demanding conditions. The spiral flute geometry ensures quick and clean chip evacuation, while the 1/2" shank offers compatibility with a variety of powered tools, including impact wrenches. A tapered point aids in hole alignment, and the double weld adds strength to withstand high-torque applications. Made in the USA, this bit is engineered for reliability in professional environments.
Made from high-speed steel for durability and extended bit life
Bridge length design supports deeper holes and thicker materials
Spiral flutes promote fast and efficient chip ejection
18" overall length ensures access to deep or recessed drilling locations
1/2" shank fits common chucks and supports impact tool usage
Tapered point simplifies alignment with existing holes
Double weld construction increases stability and strength
Delivers reliable performance in deep hole and bridge-length drilling tasks
Improves productivity with clean chip removal and faster operation
Allows accurate hole reentry or alignment in precision tasks
Hex-compatible shank enables use with power and impact drivers
Withstands heavy-duty industrial use with reinforced double weld design
Technical Specifications:
Model: 1318AR140
Overall Length: 18"
Shank Size: 1/2"
Material: High-speed steel (HSS)
Point Style: Tapered
Shank Style: Hex nut
Flute Design: Spiral flutes
Reinforcement: Double Weld
Country of Origin: USA
Product identification
- Brand: Drillco
- Model / MPN: 1318AR140
