Description
Drillco 23A156CP 7/8-9 HSS Left Hand Plug Tap – 2300 Series is engineered to create precise left-hand (counterclockwise) threads in holes, suitable for applications where fasteners may loosen due to rotational forces. The plug tap geometry provides a balanced thread cutting action, making it ideal for general-purpose threading in both through and blind holes. Made from premium-grade high-speed steel (HSS), this tap offers excellent durability and cutting performance. The black oxide finish extends tool life by reducing friction and enhancing wear resistance. Its standard square shank ensures easy compatibility with tap wrenches for hand or machine use.
Features:
- Left-hand thread design to prevent loosening in stressed or rotating applications
- Plug tap geometry for versatile thread cutting in various hole types
- Premium-grade high-speed steel (HSS) construction for durability and strength
- Black oxide finish for longer tool life and reduced friction
- Standard square shank for easy use with tap wrenches and machines
- Taper, plug, and bottoming geometries available for maximum versatility
Benefits:
- Produces accurate left-hand threads with minimal effort
- Ensures secure fastening in applications with counter-rotational stress
- Provides durable performance across multiple materials and uses
Technical Specifications:
- Model: 23A156CP
- Thread Size: 7/8-9
- Thread Direction: Left Hand
- Tap Type: Plug Tap
- Material: Premium Grade High-Speed Steel (HSS)
- Finish: Black Oxide
- Shank Type: Standard Square
- Series: 2300
- Country of Origin: USA






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