
Drill Collar, Spiral Drill collar, Non-magnetic Drill Collar
3 1/8" – 11" (OD)
API SPEC 7-1
AISI 4145H MOD
Drill Pipe, API 5DP Drill Pipe, Well Drill Pipe
OD: 60.32 mm – 168.28 mm (2-3/8" – 6-5/8") WT: 7.11 mm – 12.7 mm
API Spec 5DP, API Spec 7-1 (Tool Joints)
E-75, X-95, G-105, S-135