The Old Lawnmower Club
Collection, Preservation and Display of Old Lawn Mowers

Nuts and Bolt on Qualcast Panther 30S

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I have been asked what type of nuts and bolts were used on a 1970s/80s Qualcast Panther 30S. I would expect these to have been imperial of some kind (BSW or BSF) but it's also possible that Qualcast was using metric items by then. Or perhaps even a mix.

Can anyone help?

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Mowing Wurzel Thu, 18/06/2026

I'm not familiar with a 30s,  but looking in Qualcast parts books,  the parts book for  the Super Panther listing's don't say the threads, but this 1979   Model B.I.   notes   

Whitworth         and         British Standard          Fine threads used.