With the business philosophy of 'Customer First, Quality First', we will strive to provide customers with high-quality Grinding Tools for Automotive Glass, Windshield Grinding Wheel, Diamond Grinding Wheel for Appliance Glass and excellent pre-sales and after-sales services, and actively listen to customer needs. We always adhere to the talent as the first resource of innovation and firmly implement the strategy of strengthening the enterprise with talents. We provide better and more effective service to the majority of customers. We strive to achieve the enterprise goal of producing professional products, implementing perfect management, providing satisfactory services and creating national brands.

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.

Through years of training and precipitation, we have created a large number of professional talents in the 3660mm H22 Drill Rod Steel / Shank Drill Rods/ Tapered Drill Rods industry. We adhere to the corporate culture of diversity, inclusiveness and innovation, and deepen the transformation and upgrading development of our core business. We adhere to both economic and environmental benefits, and take the road of sustainable development.