The self-centering lathe chuck is composed of a strong zinc alloy body and steel jaws so that it can withstand harsh working environments. It features a wide clamping and high accurate. So you can deal with a variety of materials after fastening it.

Features:
The lathe chuck body is made of fine quality zinc alloy. The surface is nicely ground with a radius on all external edges.
Efficiently push the material to be processed from all directions simultaneously until it is held tightly.
The lathe chuck of the tolerance ≤0.002 inch works with few vibrations, ensuring accurate finished parts.
It is easy for you to adjust the jaws by scrolling the chuckkey. Quicker installation leaves more for work.
The chuck has internal and external jaws. This chuck has a large clamping and is suitable for clamping a variety of industrial parts.
The manual self-centering chuck is compact and convenient, and it is the perfect choice for your lathe machine, grinding machines, or milling machines.

Specifications:
Type: 3 jaws, 4 jaws (optional)
Connecting shaft: 3.17mm, 5mm, 8mm (optional)
Material: zinc alloy+stainless steel
thread diameter: 12mm
threadpitch: 1mm
diameter: approx. 50mm / 2.0in
Package size: 90 * 70 * 45mm / 3.5 * 2.8 * 1.8in
Package weight: 226g / 8.0ounce

Packing List:
1 *
1 * Connecting Shaft
2 * Screws
1 * for Chunk
1 * for Connecting Shaft Screws