Non-magnetic drill collars manufactured from Monel (K-500 or 400) or austenitic stainless steel for MWD, LWD, and directional drilling. Prevents magnetic interference with survey instruments.
Material: Monel K-500 / Austenitic SS
OD Range: 4-3/4" to 8" OD
ID Range: 1-1/2" to 3"
Thread: API Reg / API IF / NC pin x box
Length: 30 ft (9.14 m) or 10 ft test collar
Magnetic Permeability: ≤ 1.01 µ (relative)
