Hss bottoming tap details
Drillco 7/8-9 HSS Left Hand Bottoming Tap (23A156CB)
Drillco 23A156CB 7/8-9 HSS Left Hand Bottoming Tap is a precision-engineered hand tap designed to cut left-hand (counterclockwise) threads, ideal for applications requiring secure fastening where screws might loosen under reverse rotation or stress. The bottoming tap geometry allows for cutting threads to the bottom of blind holes, providing full thread depth in tight spaces. Crafted from premium-grade High-Speed Steel (HSS) and finished with a durable black oxide coating, this tap offers superior wear resistance and extended tool life. Its standard square shank ensures easy compatibility with most tap wrenches. Proudly made in the USA, it delivers reliable performance for professional and industrial use.
Left-hand thread design for counterclockwise fastening applications
Bottoming tap geometry for full thread depth in blind holes
Premium High-Speed Steel construction for strength and durability
Black oxide finish enhances wear resistance and lubricity
Standard square shank compatible with common tap wrenches
Prevents loosening of screws in applications with reverse stress or vibration
Enables full-depth threading in blind holes for secure fastening
Long-lasting tool performance reduces downtime and replacement costs
Technical Specifications:
Thread Size: 7/8-9
Thread Direction: Left-Hand
Tap Type: Bottoming
Material: Premium High-Speed Steel (HSS)
Finish: Black Oxide
Shank Style: Standard Square
Country of Origin: USA
Product identification
- Brand: Drillco
- Model / MPN: 23A156CB
