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8 1/2″M722 diamond core bit
Category：
Core and combined bit
Product details
Nomenclature of RUlSHI Core and combined bit Model
| S | 19 | 5 | 5 | X |
| S: Steel Body PDC Bit M： Matrix Body PDC Bit |
Cutter Size 19: diameter 19mm 16: diameter 16mm 13: diameter 13mm |
Blade Count 3、4、5、6... |
Formation from soft to hard 1-7 |
Design Characters J/A J Series X Sprial Gauge C Sidetracking Bit Q Core Bit B Bi-center Bit F Row Cutters G Advanced Cutters |
BITS SPECIFICATIONS
| Size | 8 1/2" |
| Number of blade | - |
| Primary Cutter Size(mm) | 6pcs/CT |
| TFA（in2） | 0.2-1.5 |
| Gauge Length | 1.5" |
| Connection |
CHUAN8-3CBS |
RECOMMENDED PARAMETERS
| Rotary Speed(rpm) | 40-80 |
| Weight On Bit(KN) | 20-100 |
| Flow Rate(lps) | 10-25 |
Trait:Design of short parabola outer cone、 core
Suitable for coring in medium-hard to hard formations with abrasiveness
Limestone、dolomite、sandstone…
Design of short parabola outer cone crown
High-density diamond particle tooth distribution
Increase the attack ability、coring rate、life of the bit
Inner and outer diameter of natural diamond
Increase the wear resistance and stability of the gauge
The water channel optimization design
Fully clean and cool the bit
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To: Hebei Ruishi Bits Manufacturing Co.,Ltd
CONTACT US
No. 502, Taishan North Road, Renqiu Economic Development Zone, Hebei China
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