DTH Drill Bits 4 1/2”(115mm) For Down The Hole Hammer DHD340,
Changsha Chaojingang machinery manufacturing CO., Ltd is a modern high-tech enterprise, which is specialized in
researching and manufacturing rock drilling machine and pneumatic
We have rich experiences for scientific research and production. It
produces prime property and quality rock drilling products prime
property and quality rock drilling products by using high-quality
raw materials, utilizing advanced production technology and
imposing strict quality inspection.
Our products produced by Super Diamond are sold well all over China
and exported to over 20 countries, such as Korea, Brazil,
Australia, and South Africa etc, high praised by users for its
prime property and quality.
1. Rapid drilling speed, bit body wearless;
2. Advanced heat treatment process, ensure the drilling life longer
than similar products in the market.
3. DHD, MISSION, SD, QL, NUMA,different series of products, it can
meet needs of different working conditions.
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.
Qty.× Button Dia.(mm)
1. Price commitment: in order to ensure the high reliability of
products, raw material selection are using grapefruit brand
products; under the same competitive conditions, and not to reduce
product technical performance on the basis of sincerity at a
favorable price to customers.
2. Quality commitment: product manufacturing and testing have
quality records and inspection data; the performance of the product
can withstand customer inspection.
3. Customer service: in order to create Super Diamond brand,
enhance the visibility of enterprises,establish corporate image, we
serve customers with the principle of "preferential prices, good
service, reliable product quality" principle.
The appearance of the picture is different from that of the actual
product, and the actual product is the standard.