Specifications
API 7-1 non magnetic drill collar
P550,P530,15-15HS
We are factory.We can make them of monel material
keep in stock
1.Standard:ISO,API SPCE 7-1.etc
2.Length:10'-31',others as per customer request
3.Size:OD:79.4mm-279.4mm,others as per request
API 2 3/8" --6 5/8" S135 spiral drill collar R2 for oilfield




