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Grey cast-iron three-jaw lathe chuck with threaded backing plate and T-wrench

VEVOR

VEVOR 3-Jaw Lathe Chuck 160 mm 1-1/2-8 Backing Plate

SKU CH-GBFK-TV2CZ

Self-centering 3-jaw lathe chuck with 160 mm outer diameter, 45 mm inner diameter and 3-145 mm clamping range, supplied with threaded backing plate and T-wrench

  • TypeOther Appliances
  • Width8.46
  • Hardened jaws at 53 HRC resist wear
  • Self-centering design removes need for repeated calibration
  • 160 mm chuck with 1-1/2-8 threaded backing plate fits directly
  • Clamps workpieces from 3 mm to 145 mm internally
  • HT300 cast iron body provides rust-resistant durability

6-Inch 3-Jaw Lathe Chuck

The VEVOR 3-jaw lathe chuck has a 160 mm outer diameter and a 1 1/2 in-8 threaded backing plate for direct mounting on compatible wood or metal lathes. It is intended for machinists and hobbyists who need a self-centering workholding solution for turning operations.

HT300 Cast Iron Construction

The chuck body is made from HT300 cast iron with jaws hardened to 53 HRC and a scroll plate at 45 HRC for wear resistance. The 10 kg unit measures 160 x 110 mm overall and uses a T-wrench for jaw adjustment, with no other tools included.

3 mm to 145 mm Clamping Range

Internal jaws grip stock from 3 mm to 145 mm while external jaws hold 50 mm to 160 mm diameters. Buyers needing to clamp workpieces larger than 160 mm or smaller than 3 mm will require a different chuck.

Highlights

  • Hardened jaws at 53 HRC resist wear
  • Self-centering design removes need for repeated calibration
  • 160 mm chuck with 1-1/2-8 threaded backing plate fits directly
  • Clamps workpieces from 3 mm to 145 mm internally
  • HT300 cast iron body provides rust-resistant durability

Specifications

TypeOther Appliances
Width8.46

Questions about this item

Should I choose the internal or external jaws for a 50 mm workpiece?

Use the external jaws; they grip from 50 mm to 160 mm, while the internal jaws cover 3 mm to 145 mm.

What does the 53 HRC jaw hardness mean when the chuck is on my lathe?

The jaws resist wear and deformation during heavy cuts, keeping concentricity within tight limits over long production runs.

How does the 1 1/2 in-8 threaded backing plate limit spindle speed?

The large-thread adapter adds mass at the chuck face, so practical rpm is lower than a direct-mount chuck of the same diameter.

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