NORTHSTARHAR10100 / NORTHSTAR DIE SET 1-2'' NPT #496712
DIE SET 1/2" NPT #496712 – Precision Pipe Threading Dies (4-Piece Set)
Professional-Grade Pipe Threading Accuracy for Industrial Applications
Engineered for precision and durability, the 1/2" NPT Die Set #496712 is a high-performance threading solution designed for creating clean, accurate National Pipe Taper (NPT) threads. Built from hardened industrial-grade steel, this 4-piece die set ensures consistent cutting performance, long service life, and superior thread quality across demanding environments.
Ideal for workshops, fabrication units, maintenance teams, and professional pipefitters, this die set delivers reliable threading for steel pipes, fittings, and mechanical components requiring tapered thread standards.
Key Features & Benefits
✔ Precision NPT Threading (1/2" Standard)
Manufactured to exact 1/2" NPT specifications, ensuring tight, leak-resistant tapered threads suitable for fluid, gas, and pressure applications.
✔ Heavy-Duty Hardened Steel Construction
Constructed from high-strength hardened steel for:
- Excellent wear resistance
- Long tool life under repeated use
- Consistent cutting performance in tough materials
✔ Multi-Position Die Set (4 Pieces – Numbered 1–4)
Each die is clearly marked and sequentially numbered:
- Enables progressive cutting for smoother operation
- Reduces stress on material and tooling
- Ensures high-precision thread formation
✔ Sharp Precision-Cut Teeth
Features finely machined cutting edges designed for:
- Clean, burr-free threads
- Reduced friction during operation
- Efficient chip removal
✔ Corrosion-Resistant Finish
Surface-treated to resist rust and wear, ensuring reliable performance in workshop and field conditions.
✔ Secure Fit & Alignment
Precision-machined profile ensures proper seating in compatible die heads, delivering:
- Stable cutting performance
- Accurate alignment
- Reduced vibration during use
Applications
Perfect for a wide range of industrial and mechanical applications:
- Pipe threading for plumbing systems
- Gas line installations
- Mechanical fabrication and maintenance
- Automotive and workshop use
- Industrial piping and fluid systems
Technical Specifications
- Product Name: Pipe Threading Die Set
- Size: 1/2" NPT
- Standard: National Pipe Taper (NPT)
- Set Includes: 4 Dies (Numbered 1–4)
- Material: Hardened Industrial Steel
- Thread Type: Tapered Thread
- Model Number: #496712
- Finish: Anti-corrosion machined finish
Why Choose This Die Set?
✔ Delivers precise, leak-proof thread cutting
✔ Built for long-term industrial use
✔ Ensures smooth progressive threading operation
✔ Designed for professional-grade performance
✔ Reliable across heavy-duty applications
Insight
Unlike standard single-piece dies, this multi-stage die system improves threading accuracy by gradually forming threads in stages. This reduces tool wear, minimizes material stress, and results in superior thread finish—especially critical for pressure-sealed pipe systems.
The 1/2" NPT Die Set #496712 is a dependable, high-precision tool designed for professionals who demand accuracy, durability, and performance. Whether in a workshop or on-site, this die set ensures clean, consistent threading every time.














