Features:

*The chuck is easy to install.

*Made of metal material, durable and strong.

*Makes your work much easier and save time.

*The metric thread  is suitable for electric grinder which thread is 8 * 0.75mm.

Installation:

Step 1, loosen the chuck with open-ended wrench.

Step 2,  Install the core and grinding head.

Step 3, put on the dust blower, tighten up with wrench.

Specifications:

Product name: Chuck Nut 

Material: Zinc alloy

Color: Black, Silver (three each)

Size: (Approx. ) 8 * 0.75mm

Suitable for: Most rotary tools

Quantity: 6pcs set

Package Included: 

6 × Chuck Nut 

Note:

1.Transition: 1cm=10mm=0.39inch.

2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.

3. Please allow slight manual measurement deviation for the data.