FIXED DIAMETER HOLE OPENER

Hole openers are used for enlarging the pilot hole and larging hole applications, easily assemble and disassemble.

The body is manufactured from 4145 tough heat treated alloy steel for maximum strength. Cutter arms, equipped with removable cutter,are hardfaced for protection and welded to hole opener body.

All hole openers are equipped with 3 or 4 cutters, cutters are available in three types:

> Type SM for soft to medium formation
> Type MH for medium to hard formation
> Type XH for hard formation

as well as three or six jet tubes with replaceable nozzles, mud nozzles precisely located to clean the cutters and the hole simultaneously.

Type SM	Type MH	Type XH