4-32mm Step Reamer Hexagonal Shank Straight Groove Metal Drill Bit

Drilling holes in plastic, aluminum, copper, stainless steel, and many other types of sheet metal. Also doubles as a hole expander.

Two flute: two-flute design deburrs during drilling, clearing chips faster and allowing particles to escape for clean cut holes.

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.

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.

Beijing DEYI Diamond Products CO., Ltd was first established in Beijing in 1997, then moved to Huanggang, Hubei Province, China in 2016, specializing in the research, development, production, sale and service of diamond tools, applicable to the cutting and grinding of marble, granite, porcelain and other construction materials. Our advanced diamond tools are: Vacuum brazed diamond saw blade, drill bits and electroplating diamond grinding wheel. 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. We are the high efficiency team, each department cooperates closely and friendly! 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. We look forward to establishing long term business relationship with you for mutual benefits.

The factory is located in Huanggang City, Hubei Province, with an area of 30,000m²+ square meters.

We have 20 sets of the largest vacuum brazed equipments and our production capacity is more than 50000pcs per day .

Deyi has rich and professional technology of vacuum brazed, the diamond grit is embedded on matrix very stable. Our diamond drill bit & saw blade & grinding wheel are very famous in our customers from China and other contries because of the high efficient in working and long working life.

Deyi has complete production line about surface treatment, laser machine, brazed equipment, sintered equipment. 

We can control quality and delivery well. 

Warehousing is also a very important part, we use large area as warehouse and carry out professional management.

Deyi has a strong sense of quality control. We use high quanlity diamond grit from world famous brand and make the tolerance less than 1-wire, the technology is far ahead industry standard, it provide a very stable performance in working. Deyi prepare large quantity of masonry, including marble, granite, ceramic, concrete for testing products.

We actively participate in the exhibition in the past years and won the trust of customers from many countries, for now we still keep stable and growing cooperation with these customers. Deyi hope the world get back to well and peace soon, also hope to see old and new customers in the future exhition.

Deyi brings together the world's top professional talent and technology, has a highly qualified international personnel. Set from development to design, testing, technical services are completed by professional and technical personnel. We have two R & D base in Beijing and Huanggang City, cooperate with well-known institutions of higher learning and research institutions at home and abroad, a number of the core technological achievements and technical indicators at the international advanced level.

Deyi had been the manufacturer for hundreds of brands from China and other countries. 

Vision: To be a worldwide recognized diamond tool manufacturer

Core Value: Make full use of talents, seiko spy.

Mission: Make the best use of diamond resources

Development Goal: Become an leader in the industry

We are in line with quality and good faith philosophy, rigorous and meticulous work style, high cost-effective products, try our best to build up diamond tools of the first-class brand. We willing to make the friend and sincere cooperation, create brilliant with all over the world!