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Silver 3-jaw lathe chuck with reversible jaws and T-key, 160 mm diameter

VEVOR

VEVOR 3-Jaw Lathe Chuck 6'' 0.14-6.3 in Clamping Range

SKU CH-68QH-0E02Y

A self-centering 3-jaw chuck clamps 0.14–6.3 in workpieces with 0.05 mm repeatability

  • TypeOther Appliances
  • Width8.07
  • HT300 body and hardened jaws resist wear for long service life
  • Self-centering bevel-gear design holds workpieces within 0.05 mm runout
  • Internal jaws grip from 3.5 mm and external jaws extend to 160 mm
  • Scroll and jaws hardened to 45 HRC and 53 HRC for consistent clamping force
  • Includes T-key, fixing screws and reversible jaws for quick setup

What this chuck is and who uses it

The VEVOR K11-160 is a 6 in self-centering lathe chuck built from HT300 cast iron with 20Cr jaws hardened to 53HRC and a 40Cr scroll at 45HRC. It clamps workpieces from 0.14 in to 6.3 in using internal jaws for 3.5-60 mm and external jaws for 56-160 mm. A 45 mm bore and three M8 fixing threads suit bench lathes, milling-drilling machines and 3D-printer rotary modules where repeatable centring within 0.05 mm is required.

Who this suits and who should look elsewhere

Machinists and hobbyists needing a hardened three-jaw chuck with reversible jaws for both internal and external clamping will find the 0.14-6.3 in range and 0.05 mm run-out adequate for small shafts, tubes and printed parts. Buyers who need a larger through-hole, a different mounting pattern or a four-jaw independent chuck for off-centre work cannot use this unit.

Installation ease and common issues

The package includes a T-key, three M8 fixing screws, one set of reversible jaws and a manual. Mounting is a direct bolt-on to a 3-M8 backplate; the chuck weighs 8.1 kg so handle it carefully during alignment. The most frequent issue is debris on the scroll or jaw faces raising run-out above the 0.05 mm spec — clean all surfaces and re-seat the jaws before first use.

Highlights

  • HT300 body and hardened jaws resist wear for long service life
  • Self-centering bevel-gear design holds workpieces within 0.05 mm runout
  • Internal jaws grip from 3.5 mm and external jaws extend to 160 mm
  • Scroll and jaws hardened to 45 HRC and 53 HRC for consistent clamping force
  • Includes T-key, fixing screws and reversible jaws for quick setup

Specifications

TypeOther Appliances
Width8.07

Questions about this item

What spindle thread pattern does the chuck require for mounting?

The chuck uses a 3-M8 fixed thread pattern for attachment to the lathe spindle.

Will the 0.14-6.3 in clamping range accommodate the same workpieces as my older 3-jaw chuck?

Internal jaws grip 0.138-2.36 in and external jaws grip 2.2-6.3 in, covering a combined 3.5-160 mm range.

How do I verify the 0.05 mm bearing tolerance after installation?

Mount a test bar in the jaws and check run-out with a dial indicator; it should read within 0.002 in.

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