Min. Order Reference FOB Price
50 Pieces US$1.00-299.00 / Piece
Product Description
Product Description Drill type: 75, 94, 113, 133 (mm) Common drill pipe: 42, 50, 63.5, 73, 76, 89 Mainly used for: grouting hole, tile wire discharge hole, slope, support, anchor cable, water well, geothermal Suitable strata: red sandstone, mudstone, coal seam, backfill, weathered rock and medium ...