Drill Rods & Casing Pipe

SIZE : AW, BW, N, NS-3, H, P, NW, HW, HWT USAGE 1. Drill Rods- It is drilling equipment with Core Barrel and Bit attached at its foremost part and is maintained by the Chuck of the Drill Rig.- It's main role is conveying the rotation and pressure generated by the drilling machine and making the drilling water reach to the Bit, and also conveying the rapid cooling or slime. Item Length O.D I.D. Remarks P DRILL RODS 3000mm Min. 114.3 mmMax. 114.5 mm Min. 101.6 mmMax. 101.80 mm   H DRILL RODS 3000mm Min. 88.90 mmMax. 89.15 mm Min. 77.8 mmMax. 78.0 mm Pin & Box(heat treatment) N DRILL RODS 3000mm Min. 69.85 mmMax. 70.05 mm Min. 60.12 mmMax. 60.33 mm B DRILL RODS 3000mm Min. 55.6 mmMax. 55.8 mm Min. 46.0 mmMax. 46.2 mm 2. Casing Pipe - Casing pipe is used to maintain the hole wall to the desired depth during the drilling, and several casing pipes are inserted to protect the internal space of the hole when you drill to the desired depth where the ground condition is not good (collapse layer). Size OD (mm) ID (mm) Weight (Kg/m3) Threads (per inch) Content (L/100m) RW 36.5 30.2 8.0 5 70.9 EW 46.0 38.1 12.5 4 113.8 AW 57.1 48.4 17.0 4 184.1 BW 73.0 60.3 31.3 4 285.8 NW 88.9 76.2 38.4 4 455.7 HW 114.3 101.6 50.5 4 810.4 PW 139.7 127.0 64.3 3 1266.6 Other Specifications Min. Tensile Strength : 900 N/mm2 Min. Yield Stress : 800 N/mm2 Min. Extension : 14% Min. Surface Hardness : HRC 30 ~ 35 Seamless, Cold drawing Roundness : 0.2 Max Standard Straightness : 0.8/1000mm (Standard) Pin & Box thread - Heat treated FEATURES Taesung's drill rods, as shown above, are superior products which meet the standards of drill rods for boring by 100%, using the raw materials of best quality suitable for drilling.