We have wide experience and series of high quality products: 1. Button bits, connection tapered or threaded, diameter from 33mm to 127mm; 2. Cross bits, connection tapered or threaded, diameter....
We are specializing in manufacturing of materials and tools for civil and mining for many years. Therefore we have wide experience and series of high quality products 1. Button bits, connection....
We are the manufacturer of most complete models of DTH hammer and bits in China. It includes: 1) 3.5" hammer, shank : DHD3.5 2) 4" hammer, IR DHD340A / SD4 / COP44 / QL40 shank 3) 5" hammer, IR....