Whether you need a pilot hole in a marble quarry or a blast hole for construction or mining. LGMRT have the drill rig that will suit your need. Surface Separated Dth Drill Rigs Crawler Mounted Drill Rigs,Surface Separated Dth Drill Rigs,Top Hammer Drilling Rig,Surface Th Drill Rig Jinan Lingong Mining& Rock Technology Co., Ltd. , https://www.lgmrt.com
1) Connections: NPT / BSPT / PT /RC
2) Dimensions: 1/4"~1"
3) Pressure Class: 10000PSi
4) Valve Body Material: SS316(L) / SS304(L) / SS321 / A105