Drillco bottoming tap details
Drillco 1"-14 Nitro Bottoming Tap (20N164SB)
Drillco 20N164SB 1"-14 Nitro Bottoming Tap – 2000N Series is designed for finishing internal threads at the bottom of blind holes with precision and efficiency. The bottoming geometry features minimal taper at the tip, allowing you to tap closer to the bottom of a hole without overcutting. Constructed from high carbon content High-Speed Steel (HSS) and Nitro-treated for superior hardness, this tap provides exceptional wear resistance and accuracy. Its bright finish helps reduce friction and heat, ensuring smoother tapping operations. Made in the USA, this bottoming tap is a dependable solution for professional machinists and repair technicians alike.
Bottoming tap design ideal for blind holes and finishing threads close to hole bottoms
Manufactured from high carbon content High-Speed Steel (HSS)
Nitro-treated surface enhances tool life and cutting performance
Bright finish reduces friction and assists with chip evacuation
Standard square shank fits common tap wrenches and machines
Enables threading in tight spaces with minimal clearance
Delivers high-precision threads with extended tool life
Ideal for production, maintenance, or thread repair jobs
Technical Specifications:
Thread Size: 1"-14
Tap Type: Bottoming Tap
Material: High-Speed Steel (HSS) with high carbon content
Surface Treatment: Nitro Coated
Shank Type: Standard Square
Country of Origin: USA
Product identification
- Brand: Drillco
- Model / MPN: 20N164SB

