Drillco 5/16" Extra Length Drill 18" OAL (1318A120)
Drillco 1318A120 5/16 Extra Length Drill 18" OAL is designed for professionals needing exceptional reach and precision in deep hole drilling applications. With an 18" overall length, this drill provides extended access to recessed or hard-to-reach areas. Constructed from premium cobalt high-speed steel, it offers superior hardness and heat resistance, making it ideal for cutting through tough metals like stainless steel and alloy steels. The general purpose flute design ensures smooth chip evacuation, enhancing efficiency and drill life in demanding industrial, automotive, and aerospace environments.
Made with premium grade cobalt HSS for enhanced durability and performance
Cobalt drills can drill approximately 30% faster than standard HSS drills
Self centering 135° split-point reduces thrust and walking for accurate starts
18" overall length offers extended reach for deep or obstructed drilling
Bronze surface treatment for improved lubricity and reduced friction
Round shank for secure chuck grip and compatibility
Enables drilling in deep, narrow, or recessed locations with precision
Improves drilling speed and tool life compared to standard HSS bits
Reduces walking for cleaner, more accurate hole placement
Minimizes friction and heat build-up for longer-lasting performance
Reliable performance across a wide range of materials and applications
Technical Specifications:
Overall Length: 18"
Material: Cobalt high-speed steel
Point Angle: 135° split-point
Surface Treatment: Bronze
Shank Style: Round
Flute Design: General purpose with long flutes
Product identification
- Brand: Drillco
- Model / MPN: 1318A120
