Description
Brass Plain Bore Insert for Nylon Coupling
Customise your Nylon Coupling to suit your required motor and propeller shaft sizes with these precision-made Brass Plain Bore Inserts.
Designed specifically for use with the interchangeable nylon coupling system, these brass inserts allow you to select the correct bore size for your installation. Simply choose the insert that matches your motor or propeller shaft diameter to create a secure and reliable connection.
Manufactured from brass for strength and durability, these inserts provide accurate alignment and dependable power transfer, making them ideal for new model boat builds, upgrades and replacement installations.
Available Sizes
- SLB5520 – Plain Bore Insert 1/8″
- SLB5550 – Plain Bore Insert 2.0mm
- SLB5560 – Plain Bore Insert 2.3mm
- SLB5570 – Plain Bore Insert 4.0mm
- SLB5580 – Plain Bore Insert 5.0mm
- SLB5585 – Plain Bore Insert 6.0mm
Suitable for
- SLB5000 – Nylon Coupling (sold separately)
- Radio-controlled model boats
- Electric-powered model boat installations
Please note: Nylon coupling sold separately. Select the insert size required to match your motor and propeller shaft diameter.




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