Applicable Industries: Construction works , Energy & Mining, Drilling Tool Place of Origin: Hunan, China Brand Name: NJG / New Diamond Type: Drill Bit Machine Type: Drilling Tool Certification: ISO9001 Material: Carbide Processing Type: Forging Use: Ore Mining Application: Quarry Color: Required Product name: RC hammer and bit Length: 1175mm-1252mm Size: 4", 5", 6" Thread: required Advantage: High Performance Market: Global Quality: TOP 5 Usage: Ore Mining