| Place of Origin |
Shaanxi China (Mainland) |
| Brand Name |
ZLONG |
| Model Number |
8 1/2" |
| Type |
Core Drill Bit |
| Material |
Diamond |
| Use |
Well Drilling |
Product Advantages: 1.Natural diamondcutters for high speed drilling; 2. All cutters are premium grade for extended bit life and durability; 3. Cutter layout is force balanced to drill a precise round hole and reduce bit whirl; 4. Large junk slots and flushing ports; 5. Advanced geometric design for faster penetration; 6. Gauge pads have tungsten carbide inserts for maximum wear resistance; General Information Natural diamond cutters; Natural diamond ID and OD gauge; Suitable for coring in hard formations; Detail information SizeIADC CodeTFA(in2)Gauge LengthCutter SizePin Connection 8-1/2"x4"D5X90.81.5"/0.75"8/ct6.75"x4"DCS6"x2-5/8"D5X90.41.0"/0.75"8/ct4.75"x2.62"DCS SizeRotary Speed(rpm)Weight On Bit(KN)Max Weight On Bit(KN)Hydraulic Flow Rate(lps)8-1/2"x4" 60 50045 113N/A14 246"x2-5/8"60 50023 82N/A8 16Note: Sizes and types that are not shown above can be customized according to specific drilling requirements. Our Advantages: 1. More than 10 years experience in PDC drill bit manufacture field; 2. All products certificated by ISO9001:9002; 3.Be reputed to be one of the best PDC bit suppliers in China; 4. We are lies inland of China, where the labor cost is less than China coastal areas; 5. We bought our own land and built our own factory; 6. We can provide you competitive price as well as solid quality products;