New 10 pieces of 20mm diamond coated cutting wheel together with one mandrel.   

Outside diameter : 20mm (close to 3/4 inch)

Thickness : 0.4mm

Wheel arbor : 3mm 

Grit :120

It should install with the 3mm shank mandrel (as picture, fit dremel machine) and the mandrel is about 40mm long.

Such a small diamond blades prefect for jewellery cutting. 


THK® specialized in wide range of diamond tools, nuts & bolts, bits, saws and machinery etc. Our products are quality assured according to the advanced technology applied and strictly control the quality of raw materials. We supply many of the main stream Construction Companies right here in Hong Kong. Our products are in use at many of the larger projects such as, the HK airport and HK Disney Land.

We will ship your order within 24 business hours after payment has been received.

Normally it takes 7-10 days for delivery to your home.