Key Features
- Precision adjustable round dies for straight (parallel) pipe threads
- High-speed steel (HSS) construction for extended cutting life
- Accurately ground cutting teeth for clean, consistent threads
- Easy-to-use adjustment screws for fine-tuning thread diameter
- Compatible with standard die stocks and threading machines
- Works on steel, stainless steel, brass, and copper
- Supplied in a tough storage case (some sizes)
- IMPA 632001 certified ship chandler supply
Technical Specifications
| Attribute | Value |
|---|---|
| Product Name | Adjustable Round Dies for Straight Pipe Thread |
| IMPA Code | 632001 |
| Category | Cutting Tools |
| Die Type | Round, Adjustable |
| Thread Type | Straight (Parallel) Pipe Thread |
| Material | High-Speed Steel (HSS) |
| Size Range | 1/8" – 1" (3 mm – 25 mm) |
| Adjustment Range | ± 0.005 inches (0.13 mm) |
| Compatibility | Standard Round Die Stock (Holder) |
| Application | Marine maintenance, pipe fitting, ship repair |
Frequently Asked Questions
What is the difference between straight pipe threads and tapered pipe threads?
Straight (parallel) pipe threads have a uniform diameter along the threaded portion, requiring a gasket, O-ring, or sealing compound to create a leak-proof joint. Tapered pipe threads tighten as they are assembled, forming a metal-to-metal seal without additional sealing material. These dies are designed specifically for straight (parallel) threads.
What sizes and thread pitches are available?
These adjustable round dies cover common imperial and metric pipe sizes, typically ranging from 1/8" to 1" (3 mm to 25 mm). They are adjustable to fine-tune the cutting diameter and thread fit. The set includes a variety of sizes to handle most shipboard piping tasks.
Can these dies be used on stainless steel or hardened materials?
Yes, the high-speed steel (HSS) construction, with the use of appropriate cutting fluid or thread cutting oil, is suitable for cutting threads in steel, stainless steel, brass, copper, and other machinable metals commonly found on ships.
Do these dies come with a die holder or stock?
The dies themselves are supplied; die stocks (holders) are sold separately. They fit standard round die stocks and thread cutting heads. Please check our Cutting Tools category for compatible die stocks.
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