Drillco 1-1/4-7 HSS Left Hand Bottom Tap (23A216CB)
Drillco 23A216CB 1-1/4-7 HSS Left Hand Bottoming Tap – 2300 Series is engineered to create precise left-hand (counterclockwise) threads with a bottoming tap geometry that allows threading close to the bottom of blind holes. Ideal for applications where screws may loosen due to stress, this tap delivers consistent performance and durability. Crafted from premium-grade high-speed steel (HSS) with a black oxide finish, it offers extended tool life and reduced friction. The standard square shank ensures easy use with tap wrenches and machines.
Left-hand thread design for counterclockwise threading
Bottoming tap geometry for threading near hole bottoms
Premium-grade high-speed steel (HSS) for durability and strength
Black oxide finish for enhanced wear resistance and longer service life
Standard square shank for compatibility with tap wrenches and holders
Taper, plug, and bottoming geometries for maximum versatility
Creates accurate and reliable left-hand threads in blind holes
Minimizes tap breakage through controlled cutting action
Suitable for various materials and threading applications
Technical Specifications:
Thread Size: 1-1/4"-7
Thread Direction: Left Hand
Tap Type: Bottoming Tap
Material: Premium Grade High-Speed Steel (HSS)
Finish: Black Oxide
Shank Type: Standard Square
Country of Origin: USA
Product identification
- Brand: Drillco
- Model / MPN: 23A216CB

