Each bit is inner packed in a small carton independently, outer packed in larger carton with other units
within two weeks
1.High quality synthetic diamond used.
2.PQ HQ NQ BQ etc.
3.6mm, 8mm,10mm, 25mm imp depth.
4.long life span.
To select the right bit for the job, assess the speed and power of your drill for the size and depths of the holes to be drilled and assess ground conditions such as rock type/formation and down-hole conditions.
Size: JS bits are available in all standard drilling sizes . Also, non-standard sized bits can be produced according to requirements from clients.
Crown Height: JS offers crown impreg depths of 9mm, 12mm, 16mm and 25mm .The taller crown heights provide improved bit stability and reduced vibrations, enhancing bit life and performance.
Waterways: Various waterways are available for diamond impregnated bits. Differing waterways allow for better flushing in various ground conditions and drilling systems.
standard threads as well as regional thread types required by clients are available.
Our diamond bits and reaming shells are designed to be compatible with all standard core barrels from other suppliers.
Matrix: JS impregnated bits matrices can be selected according to the chart below
Each bit is packed in an individual carton box with cover.
Jinshi will response in 8 hours to the problems caused by our products. When necessity arises inside the country, technical support will arrive in 24 hours within a 1000 kilometers radius of the company, will arrive in 48 hours for other parts of China. Due to the limitation of branch offices in foreign countries, technical support will arrive your work site in 15 days after visa is issued.