DTH Hole Openers:
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.
All Hole Openers are manufactured from the highest quality aircraft
Straigher holes result from the smaller pilot hole.
Better clearing of cut material.
Jinquan 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" thru 36") for all industry hammer shanks, and if we don't have
what you're looking for we can have one custom-made to your
specific application. All of the Hole Openers that we build are
China-made and of the best material available.
DTH Drilling Tools Hole-Opener Bits Supplier & Manufacturer,
From Liaocheng Jinquan Construction Machinery Co,Ltd, China.
Dia A+Dia B+Hammer Type.