Pandadrill has a large variety of Hole Openers on the shelf, offers a full line of standard and custom Hole Openers in all sizes (from 2 3/4" to 36") for all industry hammer shanks
DTH hole openers are used to enlarge the size of a pilot hole most commonly used in industrial applications. Benefits of drilling a smaller pilot hole and then using a hole opener are: Wear pads, back reamer buttons, and or buttons on the pilot can be added for an additional fee. The ability to use less powerful equipment than that required to drill the large diameter hole.
DTH Hole Openers are used to increase the size of a pre-drilled hole with hammer drilling . It may sometimes be necessary to drill a large hole employing a small hammer.Hole openers are splined for all popular hammers in a wide range of sizes. Tungsten carbide buttons on the cutting face and carbide gauge,buttons on the pilot face provide faster cutting.
All Hole Openers are manufactured from the highest quality aircraft alloy steel. Straigher holes result from the smaller pilot hole. Better clearing of cut material.
