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Geotechnical / Environmental

Geotechnical/Environmental

Drill Pipe

Inertia welded WJ drill rod

Inertia welded "WJ" drill rod

Forging, Inertia Welding, and CNC Machining is a combination that allows DPI to manufacture the highest-quality drill rod in the industry. Manufactured from the best American-Made Steel, Enhanced with our Heat Treatment Technology, subjected to Consistent Quality Control, and checked with Hardened Thread Gages, insures a precision thread profile that will deliver maximum wear life and strength.

The best "WJ" Rods on the Market!

All DCDMA Threads and Designs are available; Parallel Wall Threaded, Upset and Inertia Welded Designs.

W and WJ Drill Rod

Thread Pipe OD JT/Coupling
ID
Wall Length Packaging Weight
AW 1.750" .630" .188", .250" 1M,1.5M,5',
2M,3M,10'
19 pc Bundles
W/Steel End Caps
4.8#/ft, 5.5#/ft
BW 2.125" .750" .188", .250" 1M,1.5M,5',
2M,3M,10'
19 pc Bundles
W/Steel End Caps
5.7#/ft, 6.8#/ft
NW 2.625" 1.380" .188", .250" 1M,1.5M,5',
2M,3M,10'
19 pc Bundles
W/Steel End Caps
6.3#/ft, 7.8#/ft
HW 3.500" 2.380" .250" 1M,1.5M,5',
2M,3M,10'
19 pc Bundles
W/Steel End Caps
9.7#/ft
AWJ 1.750" .630" .188" 1M,1.5M,5',
2M,3M,10'
19 pc Bundles
W/Steel End Caps
4.8#/ft
BWJ 2.125" .750" .188" 1M,1.5M,5',
2M,3M,10'
19 pc Bundles
W/Steel End Caps
5.7#/ft
NWJ 2.625" 1.125" .188" 1M,1.5M,5',
2M,3M,10'
19 pc Bundles
W/Steel End Caps
6.3#/ft
HWJ 3.500" 1.750" .250" 1M,1.5M,5',
2M,3M,10'
19 pc Bundles
W/Steel End Caps
9.7#/ft

DPI offers a .250 " Wall Mid-body, on request, for most sizes of WJ Rod.