Hss bottoming tap details
Drillco 2"-8 HSS Bottoming Tap (25A264B)
Drillco 25A264B 2"-8 HSS Bottoming Tap is specifically designed for heavy-duty threading applications in the oil field, gas exploration, and power generation industries. This 8-pitch bottoming tap features large diameters up to 4 inches, providing full thread engagement to the bottom of blind holes for precise and strong threading performance.
Made from premium grade high-speed steel (HSS) for extended tool life and durability
Available in plug geometry for versatile threading applications
Spiral point design efficiently ejects chips through the bottom of the hole, reducing clogging
Black oxide surface treatment enhances wear resistance and extends tool life
Reduced neck design offers better clearance for deeper hole threading
Enables threading to the bottom of blind holes for complete thread depth
Improved chip evacuation increases tapping efficiency and reduces downtime
Enhanced surface treatment and material quality prolong tool lifespan in demanding environments
Technical Specifications:
Type: Bottoming Tap
Material: Premium Grade High-Speed Steel (HSS)
Finish: Black Oxide
Geometry: Plug Geometry
Application: Threading for oil field, gas exploration, and power generation equipment
Country of Origin: USA
Product identification
- Brand: Drillco
- Model / MPN: 25A264B

