Drillco 5/8" Extra Length Drill 18" OAL (1318A140)
Drillco 1318A140 5/8" Extra Length Drill 18" OAL is designed for applications requiring extended reach and consistent chip removal in deep or obstructed holes. With an 18" overall length and long spiral flutes, this drill bit ensures effective chip evacuation and precise cutting through various materials. Made in the USA from high-speed steel (HSS), it offers durability and performance across a broad range of operating conditions. The bridge-length design accommodates longer or thicker workpieces, while the hex nut shank allows compatibility with impact wrenches for efficient operation in industrial environments. A tapered point simplifies hole alignment, making it suitable for tasks requiring precision and repeatability.
Constructed from high-speed steel for long-lasting durability and performance
Bridge length design suitable for longer or thicker workpieces
Spiral flutes enhance chip ejection and cutting speed during drilling
18" overall length provides reach for deep and hard-to-access areas
Hex nut shank designed for use with impact wrenches and power tools
Tapered point allows easy realignment of pre-drilled holes
Ensures clean and efficient drilling in deep or obstructed locations
Improves chip flow and reduces clogging in demanding applications
Compatible with impact wrenches for faster operation in shop environments
Ideal for precision work requiring hole alignment or rework
Supports general-purpose and heavy-duty metalworking tasks
Technical Specifications:
Overall Length: 18"
Material: High-speed steel (HSS)
Point Style: Tapered
Shank Style: Hex nut
Flute Design: Spiral flutes
Country of Origin: USA
Product identification
- Brand: Drillco
- Model / MPN: 1318A140





