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Description
Technical data of insert for metric external threads 22 ER pitch 3.5-5.0 mm
| Technical data | |
|---|---|
| Side length L | 22 mm |
| Thread profile | 60 degrees |
| Insert type | Metric External Right / Internal Left Thread |
| Thread pitch range P | 3.5 to 5.0 mm |
| Application examples | M30, M36, M39, M42, M48, M52 |
| Thread profile | iSO incomplete |
| Carbide grade MTA | Suitable for carbon steel, alloy steel, cast iron, stainless steel, cast steel, cast iron and non-ferrous metals |
External insert for large metric threads 22 ER 3.5-5 mm
The 22 ER N60 BMA thread insert is a reinforced turning tool for coarse pitch external threads in the 3.5-5 mm range. The 22 ER metric external thread insert features a solid design that provides the necessary rigidity for turning large diameters and high loads typical of industrial threads with coarse pitches.
Key benefits of the 22 ER N60 BMA insert
- Range of large industrial threads - you will make M30, M36, M42, M48 and larger threads with pitches from 3.5 to 5 mm in steel structures
- Solid insert 22 for heavy-duty operations - larger insert size than 16 minimizes vibration and ensures durability at high cutting forces
- Universal 60-degree profile - supports metric and U.S. UNC coarse threads requiring large strokes in heavy industry
- Interchangeable use - the insert works as an outside legal and inside left when mounted in a dedicated 22 holder
- Load resistance - reinforced design extends tool life when threading large size parts on a lathe
The insert is used in the machine tool and steel construction industry for the production of large-size bolts and threaded parts. Ideal for workshops operating heavy machinery, mining equipment and structures requiring large threads with coarse pitches. Prepare the nominal diameter of the shaft before starting the threading operation on the lathe.
Cutting parameters for external insert right 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 | 3,5-5,0 |
|---|---|
| Number of passes | 10-20 |
Frequently asked questions
1. In which toolholders is the 22 ER N60 BMA insert mounted?
The insert is mounted in right-hand external cutters with a 22 ER socket and in left-hand internal boring machines with a 22 socket. The larger 22 insert, compared to the 16 insert, provides the reinforced design necessary for turning large threads with thick pitches of more than 3 mm on industrial shafts.
2. What large threads can be made with the 22 ER N60 insert?
The insert supports large metric M30, M36, M42, M48 and larger threads with pitches from 3.5 to 5 mm used in heavy industry. The N 60-degree profile also allows for the turning of thick American UNC threads of large sizes used in machine construction and large-scale industrial equipment.
3. Why is insert 22 necessary for threads above M30?
Insert22 has much larger dimensions than insert 16, which translates into higher structural rigidity. With threads with a pitch of more than 3 mm and a diameter of more than 30 mm, the cutting forces are very high, so a more massive insert ensures process stability, eliminates vibration and significantly extends tool life.
4. How to calculate the depth of turning of a thread with a coarse pitch?
H1 - Height of the thread outline given in [mm] || P - pitch of the thread given in [mm]
H1 [mm] = 0.6134 × 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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