[0.16 Inch - 1.18 Inch（4 mm - 30 mm）]

[0.23 Inch - 2 Inch（6mm - 50mm）]

We focus on premium diamond drill bits for ceramic! The diamond hole saw drill bit set kit can help you to removes a complete circle from glass, marble, tiles,granite, ceramic or other.

We are aware of your needs and knowing you are long for better glass drill bit for bottles! We hereby demonstrate our premium diamond drill bits for ceramic for you!

Product Material：

These diamond drill bits made of high-speed steel that is durable and have a long sevice life,which are high quality and good performance that excellent for making clean and accurate hole.

Widely Applications:

These diamond hole saw perfect for drilling glass, porcelain tile, fiberglass, granite, bottles, wood, blocks jars, ceramic marble, limestone and and other hard surfaces etc.

15 Sizes Includes

6mm/0.23“，8mm/0.31“，10mm/0.39“，12mm/0.47”，14mm/0.55“，16mm/0.62”，18mm/0.7“，20mm/0.78”, 22mm/0.86”，25mm/0.98”， 26mm/1.02“，28mm/1.1“，30mm/1.18“, 40mm/1.57in, 50mm/2“, Different sizes glass cutting drill bit to meet you various demands!

Large Clearance Hole

These ceramic drill bits along with large clearance hole facilitate the entrance of cooling water and escape of chips. Making the drilling process more easy and relax.

Satisfaction Guaranteed

Our team is committed to providing every customer with good products and satisfactory service. If there are any problems with our diamond drill bit set, contact us and we would be very happy to solve your problems.

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Package Includes:

15 Pcs* glass drill bit for bottles