40mm Dry Stone Drilling Bits

Dry Stone Drilling Bits

Diamond electroplated core dilling bit with diamond coating gives good performance on marble, granite, ceramic tile and other similar materials. Drill tidy and smoothly, no broken edges and no tremor phemomenon. Low noise and long drilling life. Normally ,the total length is 80mm. The Diameter is 20mm to 102mm . We can also produce core drill as your request.

Granite Electroplated Core Drills,Marble Electroplated Drilling Bits

Packaging and shipping

1pcs in a individual inner box , then 5pcs or 10pcs in a outer carton . 
(also can be packed according to your request .)

For sample order, customer can choose fast express like DHL, UPS, FedEx, TNT and EMS. Door to Door service. For the bulk order or the weight over to 45kg, we can choose by Sea or by Air, port to port service.

Delivery time

Sample delivery: If we have stock, the delivery time is within one week after we got your sample payment.

If we don't have stock, the delivery time will depends on the sample production.

Notmally, for batch order, delivery time is usually 3-4 weeks after order confirmation and payment. 

Specification  for reference: (others also availiable as per required)

Company introduction

Corediam Tools Co., Ltd, as a high-tech enterprise, concentrates on researching & developing, manufacturing and marketing diamond tools industry.

We have the most extensive, innovative and powerful range of diamond tools for construction, stone processing, and DIY markets. Corediam strives to be the leading professional supplier in the world by technology innovation.

The main product ranges include laser welded saw blade, brazing saw blade, sinter hot-pressed saw blade, diamond grinding cup wheel, laser welded core drill, diamond wire etc. The advanced automatic pressing, sintering, German Dr.Fritsch full-automatic laser welding machinery have been adopted in manufacturing lines, and all the products are approved by rigorous inspection and quality control process. Corediam products are also authenticated by Germany MPA standard and European Union EN 13236 standard.

Today Corediam export-sales network has rapidly expanded to more than 50 countries, including North America, Europe, Middle East, Southeast Asia and South America. In China, a perfect long-term strategic cooperative partnership has been established between us and the diamond tools distributors.

    As a reliable supplier of global diamond tools industry, we also focus on the professional total solutions of cutting, grinding and drilling for end users. In global, we provide the clients of mega project, such as road bridge, building renovation, railway, airport, stone mine, fire protection, and nuclear power plant, with professional diamond tools product and solutions, which is used in road saw, wire saw, wall saw, core drill, stone saw and grinding machine. It ensures that users can complete a great job.

    Corediam will insist on innovating and developing, and strives to create the redefined diamond tools leader to serve the global.