Precision Tool-Holding Solutions

Engineered for accuracy.
Built for industry.

Manufacturer of high-precision collets, tapping chucks, and tool-holding components — trusted by CNC machining shops worldwide.

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6+ Product Lines
200+ Specifications
DIN 6499 Compliant
About Us

A Shandong-based precision manufacturer

Dezhou Yuanchen Machinery specializes in the production of precision collets and tool-holding accessories used across CNC milling, turning, and tapping operations. Our facility produces a complete catalog of ER, SK, SDC, and power collet systems to demanding tolerances.

Every collet we ship is hardened, ground, and dimensionally inspected — engineered to deliver consistent runout, clamping force, and tool life on the shop floor.

  • Full-range manufacturingFrom ER8 micro collets to ER50 heavy-duty holders.
  • In-house grindingPrecision-ground bores for tight TIR specs.
  • Standards-compliantCoolant collets manufactured to DIN 6499.
Product Showcase

See our collets in action

A close look at the precision, finish, and engineering that goes into every Yuanchen collet.

Product Catalog

Six precision-engineered product lines

Click any category for full specifications, dimensions, and clamping ranges.

Manufacturing Capabilities

Engineered, ground, inspected, shipped

Precision grinding

CNC-ground bores and tapers held to micron-level tolerances for repeatable runout.

Heat treatment

Hardened spring steel cores deliver consistent clamping force across the rated range.

Quality inspection

Each batch is dimensionally verified before packaging and shipment.

Custom orders

OEM and special-spec runs available — share a drawing and we will quote.

Get in Touch

Talk to our team

Send us your specs and quantities — we respond to all inquiries within one business day.