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Technical Specifications

Tool configurations

Select a configuration to review it above.

Article IDConfigurationShank height H (mm)Shank width B (mm)F dimension (mm)Tool length L1 (mm)Head length L2 (mm)Gauge insert catalog numberShank height H (in)Shank width B (in)F dimension (in)Tool length L1 (in)Head length L2 (in)Shank length (in)Shank length (mm)Weight (lb)Weight (kg)
3878379 PCLNL1616H12 16.000016.000020.0000100.000026.000CN..1204080.63000.63000.78703.93701.02362.95775.10.440.20
3878418 PCLNL2020K12 20.000020.000025.0000125.000026.000CN..1204080.78700.78700.98404.92101.02363.947100.250.860.39
3878398 PCLNL2525M12 25.000025.000032.0000150.000026.000CN..1204080.98400.98401.26005.90601.02364.931125.251.590.72
3878400 PCLNR1616H12 16.000016.000020.0000100.000026.000CN..1204080.63000.63000.78703.93701.02362.9675.10.440.20
3878422 PCLNR2020K12 20.000020.000025.0000125.000026.000CN..1204080.78700.78700.98404.92101.02363.947100.250.860.39
3878419 PCLNR2525M12 25.000025.000032.0000150.000026.000CN..1204080.98400.98401.26005.90601.02364.93125.251.590.72

Compatible components

For article 3878422

Components are selected separately. Open a part number to review its specifications and add it to your quote.

Inserts (2)
Article IDCatalog numberGrade
5645219CNMG120408UMWP25CT
4172381CNMG120408UMWM25CT
Replacement parts (5)
Article IDCatalog numberGrade
1108063513.023—
1108065511.023—
1108068512.112—
1867353K15IP—
2429634514.123—

Contact Tech Tool to confirm the complete assembly and package contents before ordering.

Technical documents

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Technical guidance & FAQs

Applications and materials

WIDIA PCLN 95° Turning Toolholders for external turning. Select the exact holder material number and its manufacturer-listed insert configuration as a matched system.

Choosing a configuration

For PCLNL1616H12 (article 3878379), check Shank height H (mm): 16; Shank width B (mm): 16; Tool length L1 (mm): 100. Compare the selected configuration’s shank, working dimensions and overall length with your machine setup. Use the exact material number when requesting a replacement.

Compatibility and use

Manufacturer-listed insert designations in this selected system include CNMG120408UM. Use the exact insert-to-holder match for the selected material number. A family designation alone does not confirm the seat, clamping components or cutting hand.

How do I order a replacement PCLN 95° holder?

Use the exact material number and complete catalog designation. For example, 3878379 identifies PCLNL1616H12. Confirm the selected shank and length against the existing setup before choosing an alternative.

Are inserts and service parts interchangeable across this family?

Use the manufacturer-listed pairing for the exact holder article. Confirm the insert seat and replacement screw, clamp, shim or key individually; a similar-looking component or matching insert shape does not establish compatibility.

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