Description
Drillco 25A256T 1-7/8-8 HSS Taper Tap is specifically engineered for demanding threading tasks commonly found in oil field, gas exploration, and power generation industries. Designed for larger diameter threads up to 4″, this taper tap features a gradual cutting profile that facilitates easy starting and smooth thread formation. Constructed from premium grade high-speed steel, it offers enhanced durability and longevity, while the black oxide surface treatment provides superior corrosion resistance and wear protection.
Features:
- 1-7/8-8 taper tap ideal for large diameter threading
- Made from premium grade high-speed steel (HSS) for extended tool life
- Available in plug geometry for versatile use
- Spiral point design to efficiently eject chips through the bottom of the hole
- Black oxide surface treatment for improved wear resistance and longer life
- Reduced neck for better clearance in deeper holes
- Made in USA to ensure high-quality manufacturing standards
Benefits:
- Facilitates easy thread starting with gradual cutting action
- Durable construction for heavy-duty industrial applications
- Efficient chip evacuation reduces risk of clogging and tap breakage
- Enhanced corrosion resistance and wear protection with black oxide finish
- Reduced neck design improves reach and clearance in deep holes
Technical Specifications:
- Model: 25A256T
- Thread Size: 1-7/8-8
- Tap Type: Taper
- Material: Premium Grade High-Speed Steel (HSS)
- Geometry: Plug (available)
- Flute Type: Spiral Point
- Finish: Black Oxide
- Shank Type: Standard Square
- Special Feature: Reduced neck for better clearance
- Application: Heavy-duty threading for oil field, gas exploration, and power generation equipment





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