We are constantly working on our designs and each year a large number of new Windshield Grinding Wheel, Diamond Grinding Wheel for Appliance Glass, Diamond Drill Bit for Automotive Glass are added to the production line. We adhere to scientific development, reasonably carry out industrial expansion, and devote ourselves to building a world-class enterprise. We gradually expand our share of business and win public recognition with our strict quality commitment and integrity in maintaining our brand. Generally speaking, our company has been, is and will be actively involved in the process of promoting the civilization and progress of the whole society,

The taper shank integrated drill bit is designed as taper shank with Mohs rating of 1, which is suit for CNC driller machine with cone axis. Compared with straight shank drill bits, they just fit for different machine types, and the drilling effect is similar. DAOTIAN can fit any drilling machine on the market today. The shank design will be selected to fit your equipment. A full range of drill bit designs is available to fit each machine while meeting the requirements for:

• Quick startup
• Accurate hole size
• Hole quality
• Spindle speed
• Feed rate
• Coolant type
• Tool life

1. Recognition of drill bit

Choose the right drill bit to match the driller machine, and make sure meets the requirement of glass hole size and thickness.

2. Clearance of drill bit

Clear drill bit with sponge including drill position part and surface;

3. Installation of drill bit:

Install both the bottom and top drill bits and check the radial runout less than 0.05mm;

4. Debugging of drill bit

Normally start up with 50%-60% of feed rate, after drilling 20-30 holes, check the hole quality, if no defect, speed up to 70%-80% gradually.

1. What is your package method?

Normally the drill bits are placed in individual plastic boxes to avoid damage during long distance transportation.

2. Can the drill bit be retried?

Yes. To prolong the lifetime of the drill bit, normally we return the drill bit to make sure precise drill and chamfer size, we operate several redress centers around the world to provide after-sale service and save cost.

3. Are you a manufacturer or trade company?

We are a professional grinding tool manufacturer with over 25 years of experience, our grinding tools are traded all over the world

4. Can the products be manufactured by customers' requirements?

Yes, the specifications stated above are the standard ones, we can design and manufacture as required.

We always adhere to the development strategy led by operating Mk-Mre90 Concentric Casing System Drilling Blasting Bit, and uphold the business philosophy of seeking credibility by quality and development by credibility. The two complement each other. With the support and help of leaders at all levels and friends from all walks of life, our company has been developing continuously in both material economic construction and spiritual culture construction.