Drillco 5/16-18 6" Extension Bottom Tap (206A120CB)
Drillco 206A120CB 5/16-18 6" Extension Bottom Tap – 2060 Series is engineered for threading in deep or obstructed areas that are inaccessible with standard-length taps. Its extended 6" shank enables users to reach recessed holes with ease, while the bottoming style chamfer ensures precise threading close to the bottom of blind holes. This tap is ideal for maintenance, repair, or production environments where accuracy, reach, and durability are essential. Crafted from premium high-speed steel, this tool delivers exceptional wear resistance and consistent performance across a range of materials.
5/16-18 bottom tap with extended 6" shank for deep reach tapping
Bottoming chamfer allows threading close to blind hole bottoms
Constructed from premium high-speed steel (HSS) for durability
Spiral flutes promote efficient chip ejection and clean threading
Car length designed for shorter or thinner workpieces
Morse taper shank compatible with standard arbors
Manufactured in the USA for dependable performance
Ideal for hard-to-reach or recessed thread applications
Enhances productivity in repair, maintenance, and fabrication jobs
Reduces tool changes and simplifies deep tapping operations
Delivers consistent, accurate thread profiles
Technical Specifications:
Model: 206A120CB
Type: Extension Bottom Tap
Thread Size: 5/16-18
Shank Length: 6 inches
Tap Style: Bottom
Material: High-Speed Steel (HSS)
Shank: Morse Taper
Product identification
- Brand: Drillco
- Model / MPN: 206A120CB

