Hss bottoming tap details
Drillco 2-1/4-8 HSS Bottoming Tap (25A316B)
Drillco 25A316B 2-1/4-8 HSS Bottoming Tap is designed for heavy-duty threading applications in industries such as oil field, gas exploration, and power generation. This 8-pitch tap accommodates larger diameters up to 4" and features a bottoming geometry for threading to the bottom of blind holes. Made from premium grade high-speed steel (HSS) with a black oxide surface treatment, it offers extended tool life and enhanced wear resistance. The spiral point aids in efficient chip evacuation by ejecting chips through the bottom of the hole. Additionally, the reduced neck design provides improved clearance for deeper hole tapping. This tap includes a standard square shank for easy use with tap wrenches and powered machines. Proudly manufactured in the USA for dependable quality and performance.
Ideal for large diameter threads up to 4"
Suitable for oil field, gas exploration, and power generation applications
Bottoming geometry for threading to the bottom of blind holes
Made from premium grade HSS for extended tool life
Black oxide surface treatment for improved durability
Spiral point designed to eject chips through the bottom of the hole
Reduced neck for better clearance in deep hole tapping
Standard square shank compatible with tap wrenches and powered machines
Enables precise threading in blind holes
Enhances chip evacuation and reduces clogging
Extends tool life with advanced coating and material
Improves clearance for tapping deeper holes
Ensures consistent and reliable thread quality
Technical Specifications:
Type: HSS Bottoming Tap
Material: Premium Grade High-Speed Steel (HSS)
Geometry: Bottoming
Coating/Finish: Black Oxide Surface Treatment
Chip Evacuation: Spiral Point
Special Feature: Reduced Neck for Deep Hole Clearance
Shank: Standard Square
Country of Origin: USA
Product identification
- Brand: Drillco
- Model / MPN: 25A316B
