Description
Drillco 23A216FB 1-1/4-12 HSS Left Hand Bottom Tap is engineered to cut left-hand (counterclockwise) threads in holes, making it ideal for applications where fasteners are subject to loosening from rotational forces. The bottoming tap geometry allows for threading close to the bottom of blind holes, maximizing thread depth and engagement. Constructed from premium-grade High-Speed Steel (HSS), this tap provides excellent durability and wear resistance. The black oxide finish offers enhanced corrosion protection and extends tool life. Featuring a standard square shank, it is compatible with common tap wrenches for easy operation. Manufactured in the USA, this tap meets high-quality standards for performance and reliability.
Features:
- Left-hand threading for counterclockwise thread creation
- Bottoming tap geometry for threading close to the bottom of blind holes
- Premium grade High-Speed Steel construction for long-lasting durability
- Black oxide finish for increased corrosion resistance and extended tool life
- Standard square shank for easy use with tap wrenches
Benefits:
- Prevents loosening of fasteners in applications with stress or reverse rotation
- Maximizes thread depth for secure fastening in blind holes
- Offers superior wear resistance for extended tool life
- Easy to handle and compatible with standard tools
Technical Specifications:
- Model: 23A216FB
- Thread Size: 1-1/4″-12
- Thread Direction: Left-Hand
- Type: Bottoming Tap
- Material: Premium Grade High-Speed Steel (HSS)
- Finish: Black Oxide
- Shank: Standard Square
- Country of Origin: USA





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