Hunan New Diamond Construction Machinery Co., Ltd.
|Place of Origin:||Hunan, China (Mainland)|
|Brand Name:||New Diamond|
|Minimum Order Quantity:||Negotiable|
|Packaging Details:||Carton packaging and wooden box packing|
|Delivery Time:||5-8 work days|
|Payment Terms:||Western Union, T/T, L/C|
|Supply Ability:||According to order quantity|
|Diameter (mm):||216-311mm||No Head Length(mm):||260mm|
|Number Of Vents:||2||Head Shape:||Flat Face Bit/Concave Face/Convex Face|
|Material:||Alloy Steel||Spline Key Number:||12|
hard rock drill bits,
ballistic button bits
Cemented carbide steel SP882 shank DTH Drill Bits Diameter 216-311mm
◆ Adopting the industry-leading imported heat treatment technology, the hardness and toughness of the steel body are simultaneously increased by 35%.
◆ The alloy teeth adopt a professional over-pressure sintering process to greatly improve the strength of the alloy teeth.
◆ High-quality imported steel is used as the product steel body, the service life is increased by 30%, and the steel body is not broken.
Widely used in mines, quarries, earthworks and other engineering drilling blasting hole, guardrail hole,mountain reinforcement, anchorage and other engineering holes, geothermal exploration hole, Well bore and other fields.
|Number of vents||
NO X button diamter
We can design and manufacture according to customers requirement of the bit diameter,the NO.of air holes,carbide buttons and the face shape.
1- We are a true production manufacturer and are among the best in the industry of rock drilling tools.
2- We really do the high-end quality, low-end price.
3- We have a technical team with a backbone of research and development and a graduate of a professional college. At present, our company has successfully applied for a number of invention patents and practical performance patents.
4- We have an independent quality testing center with complete testing equipment to achieve 100% inspection before shipment.
5-We promise: The raw materials used are 100% high quality raw materials. If it is the quality problem caused by our reasons, we will take 100% responsibility and return the goods.
The appearance of the picture is different from that of the actual product, and the actual product is the
Contact Person: Rick.liao