The Onton Hollow Bar System  is a fully threaded steel bar which can  be drilled andgrouted into loose or collapsing  soils without a casing.  The bar features  a hollow borefor simultaneous drilling  and grouting and a left-hand rope thread  for connection tostandard drill tooling.Manufactured from heavy  wall steel tubing to EN 10083-1.  The rolling process refines  the grain structureof the steel, increasing the  yield strength and producing a durable  drill rod suitable for arange of applications.

Onton Injection Anchors can be installed  into a variety of different soils and groundconditions ranging from  sand and gravel to inconsistent fill, boulders,  rubble andweathered rock, as well  as through footings and base slabs.

Key features of the  ONTON Manufacturers High quality atlas copco tungsten carbide hollow grouting coal mine button rock drill bits are:

Simultaneous Drill and  Grout Installation

Combines both operations  into a single construction cycle, enabling  high rates ofproduction.

Fully Threaded Rod Sections

Continuous thread ensures  that rods can be cut and coupled at  any point.

No Casing Required

Can be installed into loose  or collapsing soils without the need for  a temporary casing tosupport the borehole.

Self-Drilling Injection Anchor

Suitable for a range of applications,  including: Soil Nails, Micro Piles,  Ground Anchorsfor temporary works, Rock  Bolts and Spiles.

 Customer from Turkey, Japan, Iran and some other countries came to visit us, we showed them around in our factory.