ER Collets

ER32 High-Precision Collets for CNC Toolholders | Verified ≤5 µm TIR

High-precision ER32 CNC collet made from 65Mn steel, offering 5μm precision, HRC 46–48 hardness, strong clamping force, and broad compatibility with CNC machining applications.

Request Samples & PricingView Verification Details
SPECIFICATIONS

Technical Specifications

Key technical specifications for this product.

Primary Series
ER32
Precision / TIR
High Precision — ≤5 µm TIR
Available Size
ER1-ER50 / ER32 focus
Material & Coating
65Mn, 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
View Verification →

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
View Verification →
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.

View Resource →
REQUEST A QUOTE

Need pricing or a custom specification?

Tell us your required size, tolerance, quantity, and application. We'll review feasibility and quote accordingly.

ER32 High-Precision Collets for CNC Toolholders | Verified ≤5 µm TIR
Request a Quote