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Description
Technical data of insert for metric threads 11 ER external 0,5-1,5 mm
| Technical data | |
|---|---|
| Side length L | 11 mm |
| Thread profile | 60 degrees |
| Insert type | Metric External Right/Internal Left Thread |
| Thread pitch range P | 0.5 to 1.5 mm |
| Application examples | M3, M4, M5, M6, M8, M10 |
| 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 |
Insert for metric external threads right 11 ER A60
The 11 ER A60 BMA threadinsert is a compact cutting tool with a sixty-degree profile for making medium and fine threads on the lathe in the 0.5-1.5 mm pitch range. The eleven series metric external thread insert combines versatility of use with precision machining thanks to its smaller dimensions that provide stability for medium threads with fine pitches.
Key benefits of the 11 ER A60 BMA insert
- Wide range of fine threads - you will make M3, M4, M5, M6, M8, M10 and all fine threads with a pitch of half to one and a half millimeters
- Sixty-degree universal profile - supports metric and US UNC, UNF, UNEF fine pitch threads
- Interchangeable use - the insert works as external legal and internal left when mounted in a suitable lathe holder
- Cost-effective solution - one insert dimension covers all pitches from half to one and a half millimeter without the need to change tools
Insert appreciated by mechanics making fine threads in production of precision parts and repairs. Ideal for workshops requiring frequent changes between medium common and fine threads. Remember to prepare the nominal diameter before starting threading on the lathe.
Cutting parameters for right-hand inner insert 11 ER pitch 0.5- 1.5 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] | 0,5-[48] | 0,8-[32] | 10-[24] | 1,25-[20] | 1,5-[16] |
|---|---|---|---|---|---|
| Number of transitions | 3-6 | 4-7 | 4-9 | 6-10 | 5-11 |
Frequently asked questions
1. In which lathe knives is the 11 ER A60 insert used?
The insert is installed in right-hand external knives with an eleven series socket and in left-hand internal boring machines adapted for eleven inserts.
2. What kind of threads can be made with the 11 ER A60 BMA insert?
The insert supports M3, M4, M5, M6, M8 and M10 regular and fine metric threads with a pitch of one-half to one-and-a-half millimeters. The sixty-degree profile also allows the turning of American UNC, UNF and UNEF fine pitch threads, making it a versatile workshop tool.
3. Why does the A60 profile require preparation of the shaft diameter?
The A-sixty-degree partial profile only forms the lateral surfaces of the thread at a sixty-degree angle without shaping the tops of the coils. Before turning the thread, it is necessary to accurately mill the outside diameter with a turning operation, since the insert does not include finishing work on the cylindrical surface beyond the outline of the thread itself.
4. What is the height of the outline of a turned thread calculated?
H1 - Height of the thread outline given in [mm] || P - pitch of the thread given in [mm]
H1 [mm]=0.54127*P
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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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