High Rigidity Diamond
This tile hole saw are made of industrial grade carbon steel with nickel-plated coated body that resist corrosion. Thicken corundum coating on the tops offers superior cutting strength for maximum drilling outcomes.

Extraordinarily Sharp
Each hole drill bit was processed by a smooth and exact finish that lower the incision resistance and drill pressure, increase the sharpness and the use of water lubrication. Excellent for making clean and precise hole on glass or ceramic and considerably extending drill bit life.

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.

Widely Application
There are 15 different sizes included with this glass drill set to meet various demands. Perfect for drilling glass, tile bottles, blocks jars, fiber glass porcelain tile ceramic, vitrified, brick and stone.

15 Sizes Drill Bit
Each drill bit set includes: 0.24"", 0.32"", 0.4"", 0.48"", 0.55"",0.63"", 0.11"", 0.79"", 0.87"", 0.98"", 1.02"",1.11"", 1.18"", 1.57"", 1.97""

Total length: about 2"".

Package Include
15Pcs* Diamond Coated Drill Bit

Attention:
Please keep the speed within 800-1000 per minute, low drill pressure and increased use of water lubrication will extend drill bit life.
And please keep adding water when the diamond drill bits are working on the glass or ceramics.

Payment:
We accept paypal payment only. Thank you!

Shipping:
We usually ship your item within the same day from U.S. when orders are sent before 11:00 am working day.
Shipping Method:
1. USPS First Class (3-5) Working Days
2. USPS Expedited

Returns:
Please contact us first before return. You need to get a RMA(Return Merchandise Authorization) code and we will tell you an US address to return the goods. If goods are not defective on arrival (DOA), buyers pay the shipping for the return.

Contact us:
Please contact us directly by clicking Contact Seller button on eBay order page. We stand behind our products and guarantee you a satisfactory solution.