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WIDIA TopThread NS External Threading Holders — Metric
WIDIA TopThread NS External Threading Holders — Metric
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WIDIA NS integral toolholders support external thread turning. These selected left-hand configurations use size-2 or size-3 insert seats.
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Availability confirmed with your quote.
Technical Specifications
Tool configurations
| Article ID | Configuration | Catalog number | Holder hand | [H] Shank Height Metric | [B] Shank Width Metric | [F] F Dimension Metric | [L1] Tool Length Metric | [L2] Head Length Metric | [B4]End Chamfer Metric | [CD]Cutting Depth Metric | Shank length (mm) | [SSC]Insert Size | Catalog Gage Insert 1 | Weight (lb) | Weight (kg) | [H] Shank Height Inch | [B] Shank Width Inch | [F] F Dimension Inch | [L1] Tool Length Inch | [L2] Head Length Inch | [B4]End Chamfer Inch | [CD]Cutting Depth Inch | Shank length (in) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3632145 | 3632145 · NSL122B | NSL122B | Left | 19.0500 | 19.0500 | 25.4000 | 114.3000 | 19.050 | 8.8900 | 3.5050 | — | 2 | N.2L | 0.71 | 0.32 | 0.7500 | 0.7500 | 1.0000 | 4.5000 | 0.7500 | 0.3500 | 0.1380 | — |
| 3632152 | 3632152 · NSL123A | NSL123A | Left | 19.0500 | 19.0500 | 25.4000 | 101.6000 | 31.750 | 12.7000 | 5.3340 | 69.8 | 3 | N.3L | 0.66 | 0.30 | 0.7500 | 0.7500 | 1.0000 | 4.0000 | 1.2500 | 0.5000 | 0.2100 | 2.75 |
| 3639032 | 3639032 · NSL123B | NSL123B | Left | 19.0500 | 19.0500 | 25.4000 | 114.3000 | 31.750 | 12.7000 | 5.3340 | 82.5 | 3 | N.3L | 0.79 | 0.36 | 0.7500 | 0.7500 | 1.0000 | 4.5000 | 1.2500 | 0.5000 | 0.2100 | 3.25 |
| 3632138 | 3632138 · NSL162C | NSL162C | Left | 25.4000 | 25.4000 | 31.7500 | 127.0000 | 19.050 | 8.8900 | 3.5050 | — | 2 | N.2L | 1.37 | 0.62 | 1.0000 | 1.0000 | 1.2500 | 5.0000 | 0.7500 | 0.3500 | 0.1380 | — |
Compatible components
For article 3632145
Components are selected separately. Open a part number to review its specifications and add it to your quote.
Contact Tech Tool to confirm the complete assembly and package contents before ordering.
Technical documents
Technical guidance & FAQs
Applications and materials
Choosing a configuration
Compatibility and use
Technical documents
How do I select the correct insert?
Match the exact holder article, seat size and insert hand in the compatibility list. A shared brand or similar appearance is not sufficient.
Are inserts included with the holder?
The listing identifies the holder. Confirm required inserts, replacement parts and package contents with Tech Tool when requesting your quote.
Which dimensions should I check before ordering?
Check shank height and width, overall length, head length and seat size.
