1. 1/4" Quick Change Hex Shank Diamond Tip Drill Bits For Marlbe, Granite, Tile Drilling

2. It can dry (without water) drilling on ceramic, granite and etc. materials, good sharpness and long life. Compared in the industry, our products have the best drilling performance.

Our new range of diamond tile drills are filled with a lubricating wax. During the drilling process the leading edge of the wax melts and auto-cools the diamonds meaning there is no need to apply a secondary coolant, such as water.

3. Features:

a. Fast, smooth drilling and long life

b. Competitive price and suprior quality

c. Stable performance and durability

d. Best quality, it must pass our quality control testing for 3 times

e. Best value for your money

4. Advantages:

a. Dry drilling on porcelain tile, granite, ceramic, marble, and etc.

b. Very sharp segment, perfect safety, excellent fast, high efficiency and complicated shape.

c. Longer life than the electroplated tools.

d. Various diamond grit and grade to meet various application.

e. Environment friendly.

Special application and design are available upon request.

4. Other core drill bits:

JDR Diamond Tools Co., Ltd is backed up by Jiangyin Jingrui Diamond Tools Factory. , a leading manufacturer of electro-plated diamond saw blades, diamond polishing pads, diamond core drill bits, diamond hole saws,diamond files,diamond pins, diamond grinding wheels,diamond cup wheel,diamond router bits,diamond profiling wheels and other diamond tools in China which is located in the famous city of Jiangyin.
To supply tools of the highest quality with the best possible service and to ensure that every tool offers unbeatable value, have been the simple objectives of our founders since 1999, and are the foundation stones of our business philosophy.
Quality is the guiding principle for our highly experienced development team. Only when their quality is proven and guaranteed are the tools released for sale. By listening carefully to customers' feedbacks, continual product enhancements improve not only quality but also performance and ease of use.
We provide not only tools, but also service. Our focus is on both production of foreign customers' requesting tools, and sourcing the right tools from China they need. Fast response to sample enquiries, rapid order processing and on time delivery ensures that customers' requirements are accurately and consistently satisfied, while this is guaranteed by years exporting experience in the field.
Our company has a well deserved reputation for offering outstanding value. Our China-wide sourcing capability, together with in-house design and development facilities further contribute to ensuring that all JDR's tools set the standard for value. By the good quality and competitive price, as well as the best service, JDR's tools have reached all over the world.