... Hammer, Bush Hammer, Bush Hammer for Granite, Diamond Tools, Pneumatic Rock DrillBush Hammer:1. Drilling Diameter: 5", 6", 8", 10", 12 ... ", 14", 16", 18" and Frankfurt 125MM, 150MM, 200MM, 250MM, 300MM, 350MM, 400MM, 450MM ... ;6. The grit of bush hammer face can be adjusted and the size of adaptor decide to its machine.. Specification:Item ...