Description
Drillco 25A216B 1-1/4-8 HSS Bottoming Tap is specifically engineered for heavy-duty applications such as oil field operations, gas exploration equipment, and power generation plants. Designed with an 8-pitch thread and larger diameters up to 4 inches, this bottoming tap excels in producing threads to the bottom of blind holes. Crafted from premium grade high-speed steel (HSS) for extended tool life, it features plug geometry and a spiral point that efficiently ejects chips through the bottom of the hole. The bright finish provides optimal lubricity, while the standard square shank ensures compatibility with tap wrenches or powered machines. Made in the USA, it meets rigorous quality standards for demanding industrial use.
Features:
- Ideal for large diameter threading in oil field, gas, and power generation equipment
- Plug geometry with spiral point for effective chip evacuation
- Bright finish for enhanced lubricity and smoother tapping
- Constructed from premium grade HSS for durability and extended life
- Standard square shank compatible with hand and powered tap tools
Benefits:
- Reliable performance in demanding industrial applications
- Efficient chip removal reduces clogging and prolongs tool life
- Produces accurate threads to the bottom of blind holes
- Easy to use with standard tooling
Technical Specifications:
- Model: 25A216B
- Size: 1-1/4-8
- Type: Bottoming Tap
- Geometry: Plug with Spiral Point
- Material: Premium Grade High-Speed Steel (HSS)
- Finish: Bright
- Shank: Standard square
- Application: Heavy-duty threading in oil field, gas exploration, and power generation equipment
- Country of Origin: USA





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