AWJ BWJ NWJ KWJ HWJ Drill Rod
Drill Rod, 5′ AWJ, 1-3/4″ Outside Diameter, .250 wall, Tapered Thread, Hollow Shaft
Description
Drill Rod, 5′ AWJ, 1-3/4″ Outside Diameter, Tapered Thread, Hollow Shaft, .250 (1/4″) wall D.C.D.M.A. standard one piece drill rod. These drill rods are male by female with the male end welded in place. Drilling fluid is pumped down the center of the rods to cool the bit and flush the cuttings out of the borehole.
1-3/4″ outside diameter with hollow shaft and 5 TPI
Tapered thread for quick make-up and disconnect
250 Wall
22 lbs. per 5′ rod
Raw materials:
We choose the best steel tubes in the market to manufacture our drill rods and pipes. Spot check will be conducted after the steel tubes delivered to company. We will make sure the compositions and specifications match the inspection report form the suppliers.
Based on the depth of drill bore, Q series wireline core drill rods are classified into A and B grades. A grade drill rod is entire-length or ends thermal processed and B grade drill rod is entire-length processed.
Material:30CrMnSiA or 45MnMoB(A grade), XJY850 or BG850( B grade)