Drillco 1-1/8-7 HSS Left Hand Bottom Tap (23A208CB)
Drillco 23A208CB 1-1/8-7 HSS Left Hand Bottom Tap is a high-quality hand tap designed specifically for cutting left-hand (counterclockwise) threads with a bottoming geometry. This makes it ideal for threading to the bottom of blind holes where thread depth is critical. Manufactured from premium-grade High-Speed Steel (HSS) and finished with a durable black oxide coating, this tap provides enhanced wear resistance and extended tool life. Its standard square shank ensures easy compatibility with most tap wrenches, making it a reliable tool for professional machinists and maintenance technicians. Perfect for applications where left-hand threads are required to prevent fastener loosening due to stress or reverse rotation. Proudly made in the USA.
Left-hand thread design for counterclockwise fastening applications
Bottoming tap geometry allows threading to the bottom of blind holes
Premium HSS construction for strength and durability
Black oxide finish improves wear resistance and extends tool life
Standard square shank compatible with most tap wrenches
Creates precise, full-depth left-hand threads in blind holes
Helps prevent loosening in applications subjected to reverse torque
Durable construction for long-lasting performance in demanding environments
Technical Specifications:
Thread Size: 1-1/8"-7
Thread Direction: Left-Hand
Tap Type: Bottoming Tap
Material: Premium High-Speed Steel (HSS)
Finish: Black Oxide
Shank Style: Standard Square
Country of Origin: USA
Product identification
- Brand: Drillco
- Model / MPN: 23A208CB
