Blade Holders & Parts for Lawn Mowers

Blade holders and related parts connect the mower blade to the engine's crankshaft, and this range covers blade bosses, blade discs, disc carriers and the bolts and keys that hold them together. They're specific to the mower brand and cutting width, with parts listed for Victa, Masport, Morrison, Honda, Rover and Jet/Flymo-type mowers.

Blade bosses (sometimes called blade carriers) are the hub that the blade bolts onto, while a blade disc sits between the boss and the blade on many catcher mowers. Cushion cut and quad cut carriers are specific designs used on some Masport and Morrison mowers for their particular blade shape. Check your mower's brand, model and cutting width (commonly 18

Frequently asked questions

What is a blade boss?

A blade boss, also called a blade carrier, is the hub that attaches to the mower's crankshaft and holds the blade in place.

What's the difference between a blade disc and a blade boss?

The blade boss mounts on the crankshaft, while a blade disc sits between the boss and the blade on many catcher-style mowers, and some mowers use both together.

What is a cushion cut or quad cut carrier?

These are specific blade carrier designs used on some Masport and Morrison mowers, shaped to suit their particular blade style rather than a standard flat blade.

How do I know which blade disc fits my mower?

Match your mower's brand, model and cutting width, such as 18 inch or 21 inch, against the part listing, as discs are made to fit specific mower decks.