New 1 pcs of 85mm diamond coated hole saw / drill bits. 

Outside diameter: 85mm ( close to 3 3/8" inch )

Shank: 10mm (3/8 inch) 

Can drill: 30mm depth

Suitable for use in drill hole on glass, marble, tile or granite.

Please add water as coolant and drill slowly when using diamond tools if possible.

Airmail from Hong Kong to United States (or worldwide) is FREE and takes 7-10 days delivery to your home.

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 mainstream 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.