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Re: Window slider screw threads

Did we ever get to the bottom of what size the slide screws are? I need some!

My bus number (if any): RTL 960, RMC 1458, RM 1585 and several RTs

Re: Window slider screw threads

Some time ago I had to renew the front brake pipes on an RM, I was more than surprised to find that externally one end they are a thread I had never heard of: BSC British Standard Cycle. Looking at the chart it seems that there is a 1/8" and a 5/32" BSC. Whether the window screws are this I can't say.

https://britishfasteners.com/threads/bsc.html

Re: Window slider screw threads

I have been reliably informed that the thread id 1/8"BSW, however it is now hard to find the set screws. A better option is to re-tap to M3 and that opens up a range of screw options.

My bus number (if any): RTL 960, RMC 1458, RM 1585 and several RTs

Re: Window slider screw threads

Having found a 3/16 UNC screw, this fitted perfectly. I made further enquiries with several fittings suppliers and none can source 3/16UNC pan head screws, nor the captive nuts that go with them. their advice was as your Brian, tap thread to 3mm and start again!

My bus number (if any): RML2532