API 51 /2" 8" Nmdc Non-Magnetic Drill Collar 6 5/8 Fh

API 51 /2" 8" Nmdc Non-Magnetic Drill Collar 9meter
The Spiral Drill Collar of seaco is made from AISI 4145H modified alloy steel, and completely meets the requirement of API Spec 7-1 and SY/T5144 Standard.

API non-magnetic drill collar

API 51 /2" 8" Nmdc Non-Magnetic Drill Collar 6 5/8 FH

non-magnetic drill collar (spiral drill collar)

API 51 /2" 8" Nmdc Non-Magnetic Drill Collar 9meter

11" non-magnetic drill collar

Standard:API Spec 7

Material:AISI 4145H, AISI 4145 H Modidied,Non-mag material

Specification:

OD:3 1/8"-11"

Length:10'-31'

API non-magnetic drill collar

API 51 /2" 8" Nmdc Non-Magnetic Drill Collar 6 5/8 FH