High Quality Drilling Bit API Tricone Hole Opener

Hole reamer bit are designed for the enlargement of pilot holes and large hole applications. They are also used for road and river crossing application.

Structure

The hole openers are manufactured from AISI 4145H fully heat-treated alloy steel. All are available with carbide-milled teeth and insert cutters. Arms and cutters are hardfaced for protection in three different designs for varying conditions and rock formations. The design of the hole opener allows for field-changing the cutters. They has a wide range of hole opener types, including.

Cutting Structure
The reamer mainly consists of four or more cones. Cutting Structure with premium tungsten carbide hardfacing or premium tungsten carbide insert of formulas and new techniques is utilized, and increases wear-resistance capability of reamer. The pilot is tricone bit .

Seal and Lubrication
High performance HNBR O-ring for bearing seal and advanced grease for lubrication.

Usage
It is suitable for the large size well, mining and infrastructure applications.

Rock Reamer
Replaceable teeth wheel rock reamer suitable for large rigs trenchless pipe laying large diameter trenchless construction, suitable for a variety of rock formations, reaming diameter range up Φ300-2200mm

Wheel body and the body connection reliable, easy disassembly, does not require large-scale special hydraulic equipment, artificial wrench can be convenient to replace the wheel body.

The same body can be reused, you can also install different specifications of the wheel, under normal circumstances can be replaced four different size of the wheel body, which can be carried out with a body of four sizes aperture hole construction, greatly saving construction costs