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