New 10 pieces of 4mm (5/32") diamond coated hole saw. 


Diameter - 4mm close to (5/32")

Shank - 3.17mm close to (1/8")

Total length - 60mm close to (2 3/8") 

Drill depth - 35mm close to (1 3/8") 

Manufactured by PREMIUM type of grit 50 diamond sand. 

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

Please add water for coolant when drill a hole.

We will ship your order with 24 business hours after payment has been received.
Normally it takes 7-10 days for delivery to your home.