Our hammers are used for Water well drilling, Mining and as well as for contractors in Construction. … Our DTH Hammers are time tested and proven as well as being low on fuel and high on penetration. They are designed for maximum performance in low pressure operations and our products are Rugged and reliable. The BitBtn component is a perfect example of how a component can be extended to provide additional functionality. In this case the standard Button component is extended to allow a bitmap to be displayed on the face of the button. The BitBtn component has several properties over what the Button component provides.