New 1 piece of 18mm (23/32 inch) professional diamond core drill / hole saw.

Excellent diamond segment which especailly use on rock or granite, marble, tile, porcelain or concrete.

18mm (23/32 inch) outside diameter.

5/8 inch -11W female threaded.

Total length is 115mm (4-9/16 inch).

Can drill 70mm (2-3/4 inch) depth.

Great segment in 2mm thickness and 8mm height.

More durable for industrial or business use.

Please add water as coolant when drilling a hole.

Regular Air Mail from Hong Kong to Worldwide is US$7.50 and takes 7-10 days for delivery.

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

We are pleased to combine shipping on multiple orders. If you have purchased three to five items at a time, you will receive a 20% discount on shipping cost. Six items or more at a time, you will receive a 25% discount on shipping cost.

Thank you for looking.