Accurately machined with reamed bores and splined outside edges for a precision fit into the blade bore of Trend Professional (Waveform) and Industrial sawblades only.
Extra care must be taken when mounting sawblades onto a saw spindle when using bushing washers.
Only for use with Trend Professional (Waveform) & Industrial Sawblades. Loose bushing washers/rings must not be used.

Specification:
Diameter=30 mm
Bore=20 mm
Thickness=1.4 mm