New 50 pieces Diamond coated rotary grinding heads / burrs in a box set. 

There are many shapes such as sphere, cylinder, round head cylinder, needle, flat plate, etc..... fit Dremel or other brand rotary tools.

Shank : 3mm (close to 1/8")

Largest head size : 8mm (close to 5/16")  Smallest head size : 1mm

Diamond sand : Grit 120 medium

Suitable for use in grind the edge of glass, tile, marble, jewellery or rock. Come with the PVC box as shown in the picture.

Please add water for coolant when using diamond bits.

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

Payment is expected within seven days of auction closing. 

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.