Since its establishment, our company has always followed the idea of relying on the progress of science and technology, relying on the advantages of technology management, and constantly improving and developing new Diamond Drill Bit for Automotive Glass, Diamond Drill Bit for Flat Glass, Rear Window Grinding Wheel. We use selected national high-quality materials and equipment suppliers to strongly guarantee quality and after-sales service. We meet our customers' expectations and requirements for product quality with quality standards that are better than domestic and international standards. We always pay attention to the partnership with our customers, take customers as the center, and devote ourselves to quality service and extended service.

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 adopt the world leading production technology, strict quality management and high-precision testing equipment, so as to ensure the continuity and stability of all Low Air Pressure DTH Bits/Hammer Drill Bits/Russian Type. Our company not only has systematic management theory training, job skills training, but also allows employees at all levels to have the opportunity to fully exercise in the upper level of management positions. We actively cultivate the virtue of conscious social obligation for all employees.