3/8" NPS 1-1/2" OD HSS Die
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HSS Imperial NPS (National Pipe Straight) Dies are specialised threading tools designed for cutting, repairing, and restoring straight (non‑tapered) pipe threads. Unlike tapered pipe threads such as BSPT or NPT, NPS threads rely on gaskets or sealing compounds rather than a taper, making them ideal for mechanical connections, fittings, and assemblies where a straight‑thread engagement is required. Manufactured from high‑speed steel, these dies offer excellent hardness, wear resistance, and long tool life. Precision‑ground cutting edges provide smooth chip flow, reduced cutting resistance, and accurate thread formation, ensuring that pipe connections seat cleanly and securely. They are suitable for use in plumbing systems, mechanical repair, equipment servicing, industrial machinery, and specialised assemblies where straight pipe threads are specified. With multiple OD formats available for compatibility with standard die stocks and machine holders, HSS NPS Dies provide dependable performance in both workshop and field‑service environments.
| Item # | Description | Material | Pitch / TPI | Thread | Qty | Stock | Price | Action |
|---|---|---|---|---|---|---|---|---|
| 6481280 |
- High‑speed steel construction delivers superior hardness, wear resistance, and durability
- Precision‑ground cutting edges ensure smooth cutting action and accurate straight‑thread formation
- Designed for NPS (National Pipe Straight) threads used in mechanical and pressure‑assisted sealing systems
- Suitable for repairing or cutting external pipe threads on a wide range of metals
- Straight‑thread design ensures compatibility with gasketed or compression‑sealed fittings
- Smooth chip evacuation reduces friction, heat, and cutting load
- Compatible with standard die stocks and holders for flexible workshop use
- Ideal for plumbing, industrial machinery, mechanical repair, and equipment servicing
- Ensures clean, consistent thread engagement for secure and reliable pipe connections
- Cost‑effective, professional‑grade solution for both workshop and onsite applications
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