Specifications

API 7-1 Standard non-magnetic drill collar 
1. Standard: API 7-1 
2. Material:non-magnetic, AISI 4145H MOD 
3. Length:10'-31' 
 

API 7-1 Standard  non-magnetic drill collar

API 7-1 Standard  non-magnetic drill collar 

API non-magnetic drill collar 

non-magnetic drill collar (spiral drill collar)

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'

We could provide you qualified non-magnetic drill collars with positive price and fine delivery time.

If you have any interest, please do not hesitate to contact with me!