We are one specialist maker of rock drilling tools, founded in 1958. Tricone bits (rotary bits) are our mainly manufactured item, of which various sizes from 3-7/8" to 36" are available at our factory and various styles are applicable for drilling different kinds of rock formations.
Our tricone bits can be devided into two series: steel tooth tricone bit (mill tooth tricone bit) and TCI tricone bit (tungsten carbide tricone bit), both of which are used for mining, piling, water well drilling and oil well drilling.
Our tri-cone bits are of American style and we process our products strictly according to API standard and ISO9001-2001 quality controlling certificate, that can ensure you of our offering good quality products.
It is with these materials, manufacturing and design capabilities, and pride in workmanship that we are able to produce one of the finest lines of rotary drilling bits available in the sizes and types that we produce.
5) range in sizes from 3 7/8" through 26" in both tungsten carbide insert type bits and sealed bearing bits. Most models are available in designs for either regular or jet circulation with replaceable nozzles. Most Throop open bearing models are also available for use with air or fluid circulation, and many sizes are available in reverse circulation.
Product Specification / Models
various sizes and styles
steel tooth tricone bit: IADC 127, 126, 117, 216, 125, 215, 311.
TCI tricone bit: IADC 517, 527, 537, 547, 617, 515, 525.
Application / Models
for water well drilling, oil well drilling, mining, piling.
Medium-Hard Formation TCI Tricone Bits
The 617 feature robust chisel tungsten carbide inserts on the heel row and conical on the inner rows.This design provides a fest drilling rate and added cutting structure durability in medium to medium hard formations.The HSN rubber O-rin provides adequate sealing for bearing durability.
Founded in 1958, HuNan TianYing Technology Group Co.,ltd is a profession mining tools manufacture. We locate at Zhuzhou city-a famous heavy industrial base of China, Own 800 acres land area with total asset of RMB8130 million and over 300 staffs. We occupy more than 300sets advanced full-equipped machinery and tools and the annual production volume of tri-cone bits and light-duty drilling tools are 5000pcs and 3200000 pieces respectively. For the other rock drilling tools, the annual production capability is 1400000 pieces. Furthermore TianYing also passed ISO9001:2000 quality control system test and is the standing director of China Drill Steel & Tools Association.
By strengthening the co-operation with inland and overseas clients for so many years, we introduce and develop many new products. Until now, “The East” is becoming a famous trademark in China; in the meantime, our products enjoy good sales in our domestic markets and sell well to more than 36 countries and regions all over the world.
We pay close attention to our own development, pursue the better and appreciate the perfect. “Create benefit for clients, Create chance for staffs, and Create value for society”, 2010，TianYing will offer better service to our new and old friends.