Description
Drillco 25A348T 2-3/4-8 HSS Taper Tap is specially designed for heavy-duty applications such as oil field, gas exploration equipment, and power generation plants. With standard sizes up to 4″ in diameter, this 8-pitch taper tap features a reduced neck for improved clearance in deep holes, making it ideal for threading in larger diameter, hard-to-reach areas. Constructed from premium grade HSS and treated with a black oxide surface, it delivers extended tool life and superior performance in tough materials.
Features:
- Made from premium grade high-speed steel (HSS) for durability and long service life
- Available in plug geometry for versatile threading applications
- Spiral point design efficiently ejects chips through the bottom of the hole to reduce clogging
- Black oxide surface treatment enhances abrasion resistance and extends tool life
- Reduced neck design allows better clearance for deeper hole threading
Benefits:
- Allows for precise threading in large diameter and deep holes
- Improved chip evacuation reduces downtime and increases efficiency
- Extended tool life lowers replacement costs and maintenance
- Reduced neck improves accessibility in tight or deep locations
Technical Specifications:
- Model: 25A348T
- Size: 2-3/4″-8
- Type: Taper Tap
- Material: Premium Grade High-Speed Steel (HSS)
- Finish: Black Oxide
- Geometry: Plug Geometry
- Application: Threading in oil field, gas exploration, and power generation equipment
- Country of Origin: USA






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