Description
Drillco 23A232CB 1-1/2-6 HSS Left Hand Bottom Tap is engineered to produce left-hand (counterclockwise) threads with a bottoming chamfer for threading close to the bottom of blind holes. This tap is ideal for applications where the fastener may loosen due to reverse rotation or stress. Made from premium-grade high-speed steel (HSS) and finished with black oxide, it offers extended tool life and reliable performance in demanding threading tasks.
Features:
- 1-1/2-6 left-hand bottoming tap for full thread depth near the bottom of blind holes
- Manufactured from premium-grade high-speed steel (HSS) for durability
- Bottoming chamfer designed for threading to the bottom of blind holes
- Standard square shank compatible with tap wrenches and machines
- Black oxide finish enhances wear resistance and extends tool life
- Made in the USA to strict quality standards
Benefits:
- Creates left-hand threads to resist loosening in counterclockwise stress environments
- Bottoming chamfer allows threading deep into blind holes for maximum thread engagement
- Durable materials and finish increase tool longevity and reliability
- Suitable for both manual and CNC tapping operations
Technical Specifications:
- Model: 23A232CB
- Thread Size: 1-1/2-6
- Thread Direction: Left-hand
- Tap Type: Bottoming
- Material: Premium-grade high-speed steel (HSS)
- Finish: Black oxide
- Shank: Standard square
- Application: Left-hand threading in blind holes to prevent loosening under stress






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