- Drill Bit[10]
- Contact Person : Ms. Dou Amanda
- Company Name : Hejian Hengji Bit Manufacture Co., Ltd.
- Tel : 86-317-8114222
- Fax : 86-317-3213999
- Address : Hebei,Hejian,Xicun Development Zones
- Country/Region : China
- Zip : 062450
API 12 1/4" IADC127 steel tooth drilling bit /rock bit with high quality
1 Specifications:
Size | 8 1/2”(215.9MM) |
IADC | 517 |
Bearing Type | Elastomer sealed journal bearing |
Thread Connection | 4 1/2 reg pin |
WOB(KN/mm) | 0.45~1.0 |
RPM(r/min) | 120~50 |
Applicable Formations | medium to hard hardness formations with low compressive strength, such as medium, soft shale, medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds, etc |
Circulation system | Mud pump |
2.Deatail:
Available sizes:
60mm,65mm,76mm,93mm,95mm,98mm(3 7/8”),101.6mm,114mm,118mm,120mm,127mm(5”) 130.1mm(5 1/8”),133.3mm(5 1/4”),139.7mm(5 1/2”),142.8mm(5 5/8”),149.2mm(5 7/8”) 152.4mm(6”),155.5mm(6 1/8”),158.7mm(6 1/4”),161.9mm(6 3/8”),165.1mm(6 1/2”) 190.5mm(7 1/2”),193.6mm(7 5/8”),200.0mm(7 7/8”) 212.7mm(8 3/8”),215.9mm(8 1/2”),222.2mm8 3/4”) 241.3(9 1/2”),244.4(9 5/8”),250.8(9 7/8”) 269.8(10 5/8”),295.3(11 5/8”) 311.1(12 1/4”),346.0 (13 5/8”),349.2(13 3/4”) 374.6(14 3/4”) 381(15”),393.7(15 1/2”),406.4(16”) 444.5(17 1/2”),508(20”),558(22”),609.6(24”) 660.4(26”) |
3.Available models:
Steel tooth (IADC) | 111, 121,131 117,124,126,127,136,137 211,311 216,217, 227 |
TCI (IADC) | 415,435, 417,437 515,525,535,545, 517,527,537,547 615,625,635,,617,627,637,737 512,522,532,612,622,632,732 |
FAQ(Frequently Asked Questions)
1. How to order the products? Answer: Send the inquiry with detail item description or with Model number. If there is no packing demand we take it as sea-way packing. If possible please attach one reference picture to avoid any misunderstanding or any links from our website for we get a better understanding. 2. About lead time and shipping time? Answer : The lead time depend on quantity of order. Usually shipped by sea, small order or urgent order we can send you by air after received your agreement. According the distance from china to your port, usually from China to European about 25 days. To West of American 20 days.
3.Can I expect a quality products? Answer : Yes. All our activities are accredited to ISO 9001:2008 and API, both in products and services, at the same time, mature production technology ensuring the quality satisfy international request.
API 12 1/4" IADC127 steel tooth drilling bit /rock bit with high quality
