Drill Collar

Numbers: NC23-31, NC26-35, NC31-41, NC35-47, NC38-50,
NC44-60, NC44-62, NC46-62, NC46-65, NC46-67,
NC50-70, NC50-72, NC56-77, NC56-80, 6-5/8REG,
NC61-90, 7-5/8REG, NC70-97, NC70-100, 8-5/8REG
Type: Slick & Spiral
Material: AISI4145HM & Non Mag (DNM110)
Standard: API 7 & 5D

PDM provides slick or spiral drill collars with outer diameter from 3 1/8” to 11” and with the length from 5 feet to 31 feet. Slip or elevator grooves, stress relief features (SRF), cool rolled process for SRF or roots of connections, and other requirements can be made by customers.

We are regularly Selling: Drill Pipe, Drill Collar, Integral Heavy Weight Drill Pipe, Kellies, Non-Magnetic Drilling Tools, Pup Joints, Lifting Subs, Casing, Tubing