Beijing Jietaihongli Technology Co., Ltd.
| Payment Terms | L/C, D/P, T/T, Western Union |
| Supply Ability | 10000+set +year |
| Packaging Details | exported standard package, wooden case |
| material | tungsten carbide , 42Crmo |
| application | foundation pile |
| hardness | 45-55hrc |
| condition | 100% new |
| Oem | available |
| application layer | Soil, Earth, Rock, Clay, Mud, Etc. |
| Brand Name | jthl |
| Model Number | b47k22h |
| Place of Origin | beijing |
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Product Specification
| Payment Terms | L/C, D/P, T/T, Western Union | Supply Ability | 10000+set +year |
| Packaging Details | exported standard package, wooden case | material | tungsten carbide , 42Crmo |
| application | foundation pile | hardness | 45-55hrc |
| condition | 100% new | Oem | available |
| application layer | Soil, Earth, Rock, Clay, Mud, Etc. | Brand Name | jthl |
| Model Number | b47k22h | Place of Origin | beijing |
| High Light | 45hrc tricone roller cone drill bits ，55hrc tricone roller cone drill bits | ||
45-55hrc Tungsten Carbide Tricone Roller Cone Drill Bits For Core Barrel
Applicable layers: dense sand, gravel, hard rocks and very hard formation, etc..
Sizes: From 2 7/8 to 26"larger sizes for hole opener bit ,reamer bit.
Type: 437,517,537,617,637
Hardness: 50-54 or higher HRC
ROLLER BITS IADC CODE SELECTION
| IADC | WOB | RPM |
| (KN/mm) | (r/min) | |
| 111/114/115 | 0.3-0.75 | 200-80 |
| 116/117 | 0.35-0.8 | 150-80 |
| 121 | 0.3-0.85 | 200-80 |
| 124/125 | 180-60 | |
| 131 | 0.3-0.95 | 180-80 |
| 136/137 | 0.35-1.0 | 120-60 |
| 211/241 | 0.3-0.95 | 180-80 |
| 216/217 | 0.4-1.0 | 100-60 |
| 246/247 | 0.4-1.0 | 80-50 |
| 321 | 0.4-1.0 | 150-70 |
| 324 | 0.4-1.0 | 120-50 |
| 437/447/435 | 0.35-0.9 | 240-70 |
| 517/527/515 | 0.35-1.0 | 220-60 |
| 537/547/535 | 0.45-1.0 | 220-50 |
| 617/615 | 0.45-1.1 | 200-50 |
| 637/635 | 0.5-1.1 | 180-40 |
| Note: Above limitts of WOB and RRPM should not be used simultaneously | ||
ROLLER PIN SIZE
| Bit Diameter | API PIN | |
| (Inch) | (mm) | |
| 3 7/8''~5 1/4'' | 98~134 | 2 3/8''. 2 7/8'' |
| 5 5/8''~6 3/4'' | 143!171 | 3 1/2'' |
| 7 1/2''~9 1/2'' | 190.5~241 | 4 1/2'' |
| 9 5/8''~13 3/4'' | 245~350 | 6 5/8'' |
| 14 5/8''~26'' | 371~660.4 | 7 5/8'' |
Company Details
Business Type:
Manufacturer,Agent,Importer,Exporter,Trading Company,Seller
Year Established:
2007
Total Annual:
8000000-10000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
Beijing Jietaihongli Technology Co., Ltd., founded in 2004, headquartered in Beijing, branch factory in Shouguang, Shandong. The company is mainly engaged in the production and sales of rotary piling kelly bars , drilling tools, rotary piling rig overhaul, rig sales and accessories supply. Beijin... Beijing Jietaihongli Technology Co., Ltd., founded in 2004, headquartered in Beijing, branch factory in Shouguang, Shandong. The company is mainly engaged in the production and sales of rotary piling kelly bars , drilling tools, rotary piling rig overhaul, rig sales and accessories supply. Beijin...
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