ER Collets

ER High-Precision Collets | Verified ≤5 µm TIR

High-precision ER collet made from imported SUJ2 steel, featuring ≤5 µm TIR, HRC 56–58 hardness, and stable clamping for milling cutters, taps, reamers, and other cylindrical tools.

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SPECIFICATIONS

Technical Specifications

Key technical specifications for this product.

Primary Series
ER32
Precision / TIR
High Precision — ≤5 µm TIR
Available Size
ER11-3 / ER16-8 / ER32-6
Material & Coating
Imported SUJ2 steel, uncoated
Measurement Condition
Measured at 4×d from the collet face and referenced to the 16° taper.
MOQ
Mixed-size sample request available; MOQ confirmed after specification review.
Packaging
Standard, neutral or private-label packaging subject to confirmation.
Stock Status
In Stock
VERIFICATION

Verification & Measurement

Verifacation methods and measurement references linked to this product.

ER Collet TIR Verification at 4×d from the Collet Face

Declared ER collet TIR grade: ≤5 µm or ≤10 µm. Measure at 4×d from the collet face; use the 16° taper as the reference. Record the collet bore size, holder, nut, test bar and indicator setup in the inspection record.

TIR Measurement
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ER Collet Batch Traceability and 100% Inspection Record

Use batch identification and inspection records to connect an accepted product batch with its declared scope and shipment documents.

Batch Inspection
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RESOURCES

Technical Resources

Technical documents, guides, and supporting resources related to this product.

Product Catalogue

KOVRAX ER Collets Product Catalogue

Catalogue covering available ER collet series, declared grades, dimensions and packaging information. Confirm each listed size and availability before external release.

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ER High-Precision Collets | Verified ≤5 µm TIR
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