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MG parts spares and accessories are available for MG T Series (TA, MG TB, MG TC, MG TD, MG TF), Magnette, MGA, Twin cam, MGB, MGBGT, MGC, MGC GT, MG Midget, Sprite and other MG models from British car spares company LBCarCo.

MG TD TF 1500 - Wiper Knob Set Screws

I need 2 wiper knob set screws, anyone know where I can get a couple? My knobs have no set screws in them, I don't even know their size/thread. Are the spindles threaded also? PJ
Paul S Jennings

Seems like no one has them! Odd set up, on my car anyway, the knob set screw is one size and the shaft threaded hole is one size smaller. Have no idea what that's all about. There might be a slight modification in there somewhere, but I haven't figured that out yet. Makes no sense there would be a screw with a two size shaft, but the Brits have been known to do some unusual things. PJ
Paul S Jennings

Paul

I believe there should only be a dimple in the shafts. From memory I think the knobs are threaded 1/8 Whitworth.

Graeme
G Evans

Paul
They are slotted cheese head screws with a thread length of just under 10mm. The shaft is threaded. They appear to be 4 BA.
Dave H
Dave Hill

Paul
If not 4BA then UNF No 6. I measured 3.5mm over the threads with a micrometer
Dave H
Dave Hill

Thanks Graeme and Dave! I think a PO ran a screw of a different thread in one knob, but being of a soft material, that should be easily overcome. Thanks for your input, very much appreciated! PJ
Paul S Jennings

This thread was discussed between 13/04/2015 and 14/04/2015

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