Min. Order Reference FOB Price
1 Piece US$65.00-4,500.00 / Piece
Product Description
Down The Hole Rock Drilling Tools Reamer Bits Deep Water Well Drilling DTH Hammer Hole Opener Button Drill Bits 1. High and low air pressure down-the-hole drill bits 2. Low air pressure holeDia.: 65-220mm 3. High air pressure hole Dia.: 85-305mm 4. Face type: Drop ...