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Description
Technical data of insert for inch external threads G 22 ER N55
| Technical data | |
|---|---|
| Side length L | 22mm |
| Thread profile | 55 degrees |
| Insert type | External Right / Internal Left Inch Thread |
| Thread pitch range P | 3.5 to 5.0 mm |
| Application examples | BSW 1.1/8-7; BSW 1.1/4-7; BSW 1.1/2-6; BSW 1.3/4-5 |
| Thread profile | partial G |
| Carbide grade MTA | Suitable for carbon steel, alloy steel, cast iron, stainless steel, cast steel, cast iron and non-ferrous metals |
Inch thread insert N55 - stable machining of large diameters
The 22 ER N55 BMA thread insert is a tool for large diameters. It is used for making inch external threads with an angle of 55 degrees on the lathe. Designed primarily for G pipe threads conforming to DIN ISO 228, the N55 profile allows threading of different pitches in one working range. It also works well for threading Whitworth BSW and BSF with a 55-degree angle.
The insert can be used interchangeably as an internal left for inch threads. The 22mm size provides maximum stability when machining large pipe structures. BMA grade provides high wear resistance and long life. Ideal for manufacturing industrial installations requiring large diameter inch threads.
Key benefits of the 22 ER N55 BMA insert
- The 22 mm size provides exceptional stability when threading large pipe diameters
- N55 profile with 55-degree angle dedicated to G and Whitworth threads
- Universal application for BSP and Whitworth BSW and BSF pipe threads
- Interchangeable use as external right and internal left insert
- BMA grade ensures long blade life and stable operation in harsh conditions
The insert is appreciated by specialists for the stability of inch threading on the lathe of large structures. It will prove itself in the production of industrial pipelines, large-scale hydraulic installations, steel structures and the manufacture of large threaded parts. Ideal for industrial plants, workshops serving industrial installations and production of pipe structures. Bet on a solution proven in the heavy industry. Order an insert that will provide confidence in threading large inch diameters.
Cutting parameters for right-hand inner insert 22 ER pitch 3.5- 5 mm
| ISO Symbol | Material | Cutting speed Vc [m/min] |
|---|---|---|
| P | Steel | 50-180 |
| M | Stainless steel | 50-90 |
| K | Cast iron | 65-120 |
| N | Aluminum and non-ferrous materials | 90-180 |
Number of recommended passes depending on thread pitch
| Pitch mm [TPI zwoje] | 3,5 | 4,0 | 5,0 | |
|---|---|---|---|---|
| Number of passes | 8-17 | 10-20 | 11-22 |
Frequently asked questions
1. What threads is the 22 ER N55 BMA insert suitable for?
The insert is mainly designed for inch G threads conforming to DIN ISO 228. The N55 profile with an angle of 55 degrees supports various pitches of pipe threads. You can also make Whitworth BSW and BSF threads with the same angle. The 22mm size ensures stability when machining large diameter tubular structures.
2. How does the N55 profile differ from the AG55?
The N55 profile is dedicated to inserts of larger sizes like 22 mm. It provides stable work when threading large diameters of industrial structures. AG55 is a profile for standard 16 mm inserts. Both profiles support the 55-degree angle characteristic of inch threads.
3. Can the insert be used as an internal insert?
Yes, the 22 ER N55 BMA insert can be used interchangeably. It works as an internal left-hand insert for threading large inch threads. It requires a suitable 22 mm toolholder and correct tool setting. This makes it a universal solution for external and internal threading of large diameters.
4. What is the height of the turned thread outline
H1 - Height of thread outline given in [mm] || P - pitch of thread given in [mm]
H1 [mm]=0.54127*P
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Shipping
All orders are delivered by courier company GLS. For orders exceeding 369 PLN gross shipping is FREE
| Courier GLS | Przelew24 / Prepayment | 14,76 zł gross | Delivery time 1 working day |
| Courier GLS | Cash on delivery | 17,26 zł gross | Lead time 1 working day |
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