NQ HQ PQ heat treated wireline diamond core drill rods 3m 1.5m drill pipe
Jinshi wireline drill rods are made of special geological steel pipe with high strength and toughness which is processed by high-precision CNC lathe and molding tools. The drill rod thread is tested by special thread gauge, and the thread part is specially strengthened.
JS drill rod has consistent concentricity and straightness, and its precision and mechanical properties reach the international advanced level.
we have standard size: AQ BQ NQ HQ PQ, NRQ, HRQ, PRQ, NHD HHD PHD, BT NT HT PT
also have customized size per sample or drawing .
Standard | OD (mm) | ID (mm) | Wall Thickness (mm) | TPI | Pin Thread Length(mm) | Weight (kg/m) |
BWL | 55.7 | 46.1 | 4.8 | 3.0 | 44.45 | 6.03 |
NWL | 70.5 | 60.3 | 5.1 | 3.0 | 44.45 | 8.08 |
HWL | 89.0 | 77.8 | 5.6 | 3.0 | 44.45 | 11.52 |
PWL | 114.3 | 101.9 | 6.2 | 2.5 | 63.50 | 16.53 |
SWL | 139.7 | 125.5 | 7.1 | 2.5 | 62.80 | 23.22 |