R32S ,40Cr, 51mm diameter , used with self drilling anchor bolt, Alloy Steel Anchor Bolt R32 Hollow Self Drilling Roc

Drill bit

The drill bit would be selected at the choice of the ground conditions

Features of hollow grounting anchor bolt

• Particularly suitable for difficult ground conditions.

• A high rate of installation since drilling, placing and grouting can be performed in one single operation.

• Self drilling system eliminates the requirement for a cased borehole.

• Installation with simultaneous drilling and grouting possible.

• Easy installation in all directions, also upwards.

• Suitable for working in limited space, height and in areas of difficult access.

• Simple post grouting system. • Hot-dipped galvanizing for corrosion protection

Applications in Tunneling & Ground Engineering

• Radial bolting

• Slope stabilization

• Forepoling

• Micro injection pile

• Face stabilization

• Temporary support anchor

• Portal preparation

• Soil nailing