Description

Nominal Dimensions 8″ OD. x 2-7/8″ ID. x 30’8″ L. Double Recessed Spiral Drill Collar w/ 6-5/8″ Reg. Threads 7-7/8″ OD. x 3″ ID. x 30’3″ L. Double Recessed Spiral Drill Collar w/ 6-5/8″ Reg. Threads 7-3/4″ OD. x 2-15/16″ ID. x 29′ L. Double Recessed Spiral Drill Collar w/ 6-5/8″ Reg. Threads 7-3/4″ OD. x 2-15/16″ ID. x 29’3″ L. Double Recessed Spiral Drill Collar w/ 6-5/8″ Reg. Threads