Description
Cembre OG6.5 mandrel for AR67 rail bushes
The Cembre OG6.5 mandrel is an installation plunger for AR67 rail web bush connection kits. It works within the dedicated AR67 tooling arrangement used with compatible Cembre HTEP and B1300TEP-T installation tools.
During installation, the hydraulic head pulls the plunger through the copper bush. This expands the bush against the inside of the prepared rail web hole. Select the correct mandrel and associated components for the connection you are installing.
OG6.5 specifications
- Manufacturer: Cembre
- Part number and SKU: OG6.5
- Product type: rail bush installation mandrel or plunger
- Application: Cembre AR67 web connection kits
- Manufacturer-listed dimensions: 43 × 6.3 × 6.3 mm
- Manufacturer-listed net operating weight: 7 g
AR67 installation components
The AR67-INST installation kit combines the OG6.5 plunger, CAL8.85 checking gauge and M9M5 adapter. Cembre confirms these three components in its official AR67-INST product information.
Use the full, correct tooling arrangement with the RHTEP-S installation head. The OG6.5 is available as a replacement component; the gauge and adapter remain part of the AR67 system requirements.
Related products include the AR67 rail bush kit, HTEP manual hydraulic tool and B1300TEP-T battery hydraulic tool.
Selection and use
First, check the connection kit and installation head model. Then confirm that the required gauge and adapter are available. Follow the instructions for the complete Cembre installation system when preparing the hole and fitting the bush.
For the manufacturer’s dimensions and range information, see the Cembre OG plunger range.
Australian supply and support
Contact Engineering Supplies for Cembre OG6.5 mandrel pricing and availability. Include your existing tool model, connection kit and required quantity so our team can help with replacement-part selection.

