New assorted 3-12mm diamond coated hole saw / drill bits 1/8 shank (total: 10 pieces). Manufactured by GRIT 50 premium type diamond sands specail for cutting.

Suitable for use in drilling holes on glass, marble, tile or granite. ALL in 1/8" shank fit your hand drill, drill press &  your Dremel® and Foredom® tool with a 1/8" collet.

Working length : 35mm

Suitable for use in drilling holes on glass, marble, tile or granite.

Each size had 1 unit, total 10 sizes that's 10 units in package. Please check the sizes as below.

3mm (1/8 inch) outside diameter, 3.17mm (1/8 inch) shank, 35mm (1 3/8 inch) drillable long.

4mm (5/32 inch) outside diameter, 3.17mm (1/8 inch) shank, 35mm (1 3/8 inch) drillable long.

5mm (13/64 inch) outside diameter, 3.17mm (1/8 inch) shank, 35mm (1 3/8 inch) drillable long.

6mm (1/4 inch) outside diameter, 3.17mm (1/8 inch) shank, 35mm (1 3/8 inch) drillable long.

7mm (9/32 inch) outside diameter, 3.17mm (1/8 inch) shank, 35mm (1 3/8 inch) drillable long.

8mm (5/16 inch) outside diameter, 3.17mm (1/8 inch) shank, 35mm (1 3/8 inch) drillable long.

9mm (11/32 inch) outside diameter, 3.17mm (1/8 inch) shank, 35mm (1 3/8 inch) drillable long.

10mm (3/8 inch) outside diameter, 3.17mm (1/8 inch) shank, 35mm (1 3/8 inch) drillable long.

11mm (7/16 inch) outside diameter, 3.17mm (1/8 inch) shank, 35mm (1 3/8 inch) drillable long.

12mm (1/2 inch) outside diameter, 3.17mm (1/8 inch) shank, 35mm (1 3/8 inch) drillable long.

Please add water as coolant when drilling a hole.

Regular Air Mail from Hong Kong to Worldwide is US$2.00 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.