Our company are specialized in all kinds of oil machinery. rice machine
Model Number: | 1H1 819 021 |
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Come From Hebei Borun Steel Trade Co.,Ltd
API 7-1 Spiral non magnetic for well drilling Drill Collar Description: 1. Material: 4145H/4145Hmod or Non-magnetic. 2. Standard: API7-1, NS-1. A. Slick Drill Collar Note: Drill collar is mainly used to provide bit weight to drill bit so that drill pipe is in tension. ...
spiral welded steel pipe 3 to 12m length 6\"API5L oil gas used pipe line 1.Product Name:spiral welded steel pipe 3 to 12m length 6\"API5L oil gas used pipe line 2.OD(mm):168.3 3.Wall Thickness(mm):7.11 4.Length:Random length:5-12m 5.Standard:API SPEC 5L GB/T9711 6.Surface:Black ...