Description
Drillco 25A364P 3″-8 HSS Plug Tap is engineered for large-diameter threading applications in demanding industries such as oil fields, gas exploration, and power generation plants. Designed with an 8-pitch configuration, this plug tap offers efficient chip removal and smooth cutting performance, making it ideal for producing precise, high-quality threads. Constructed from premium grade High-Speed Steel (HSS), it delivers exceptional durability and wear resistance, even under heavy-duty conditions. The black oxide surface treatment enhances corrosion resistance and prolongs tool life, while the reduced neck design improves clearance for deeper holes. Proudly made in the USA, this tap ensures consistent, professional-grade performance for critical applications.
Features:
- 3″-8 plug tap designed for large-diameter threading
- 8-pitch configuration ideal for oil field, gas exploration, and power generation use
- Premium grade High-Speed Steel construction for strength and longevity
- Spiral flutes efficiently pull chips out of the hole to protect threads
- Black oxide finish for enhanced corrosion resistance and extended tool life
- Reduced neck for improved clearance in deep-hole applications
Benefits:
- Delivers precise, high-quality threads in heavy-duty applications
- Prevents thread damage by ensuring effective chip evacuation
- Extended service life with premium materials and protective finish
- Optimized for deep-hole threading with reduced neck clearance
Technical Specifications:
- Model: 25A364P
- Thread Size: 3″-8
- Type: Plug Tap
- Material: Premium Grade High-Speed Steel (HSS)
- Flute Type: Spiral
- Finish: Black Oxide
- Neck: Reduced for clearance in deeper holes
- Country of Origin: USA





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