TWKit-3 25pcs 1-13mm Cobalt High-speed Steel Din388 Twist Drill Bit

25pcs in one set, diameters are:

1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm,

6.5mm, 7mm, 7.5mm, 8mm, 8.5mm, 9mm, 9.5mm, 10mm, 10.5mm

11mm, 11.5mm, 12mm, 12.5mm, 13mm

Surface treatment: plating titanium

Cutom package is available

High quality material, sharp and durable

Company Profile

Beijing DEYI Diamond products CO., Ltd was established in Beijing in 1997 in Beijing, our factory is located in Hubei Province, specializing in research, development, production, sale and service of diamond tools, applicable to the cutting and grinding of marble, granite, porcelain and other construction materials. Our products includes: diamond core dirll bit, diamond saw blade, diamond grinding wheel, dimond polishing pad, etc. Our technical department is composed of the experienced professors and engineers.

We cooperate with the leading universities and keep close contact with our customers by visiting or communication to get knowledge of the market demand.In the past more than 20 years, we have successfully captured the domestic market. Now with the joint efforts to exporting to the Middle East, Europe, Asia, America, and other parts of the world.

Free Pre-Sales Consulting / Free Sample Marking

We offer 12 hours quick pre-sales response and free consulting. Any kind of technical support are available for users.
Free Sample Making & Testing is available.
We offer progressing solution design to all the distributor and users.

FAQ

1. Where is your factory located? How can I visit?

Our company located in Beijing and factory is in Hubei Province.

2. What is the lead time?

Generally it takes 1-2 working days for sample shipping.

3. How to solve quality problems?

We will work with you to solve quality and technical problems, please send us pictures or video, our technician will analyze and offer solving scheme. We look forward a long term cooperation with you.