I'm still completely failing to cut a thread on the rod I bought to create a linkage rod for my 914. I've filled the end in hope it will take. I've applied heat. I've even bought another die set as the rod eat the first one. It just will not cut. I can only conclude I have too hard a metal, like, stainless steel. I need a 5mm to rod in metal I can cut. Anybody know where I can get this?
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Last edited by neilbardsley on Sat Apr 22, 2023 11:02 am, edited 2 times in total.
“A REMINDER. I would be grateful if those members who have borrowed bits from me in emergencies (e.g starter motor, oil cooler, etc) would return them and/or contact me”. – Chris Turner RIP
What’s the outside diameter of the rod. Bit hard to tell from the photo but it looks like more than 5mm? If it is, a die will not be happy, it isn’t designed to reduce the OD & only cut threads into the surface.
What length & thread do you need?
A short length with left & right hand threads on each end? Or just normal thread on both ends?
You can buy lengths of thread, up to around a metre, on eBay.
I ordered 5mm but I haven't measured it. Do you have a link for the threads on eBay?
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“A REMINDER. I would be grateful if those members who have borrowed bits from me in emergencies (e.g starter motor, oil cooler, etc) would return them and/or contact me”. – Chris Turner RIP
From memory linkages are M5, easy enough to use M5 thread bar and cut to length. Put the nut on before cutting, once cut to length back the nut off and it will remove any loose bits of metal from the cut...finish of with the small file.
I made something similar and put some heat shrink on the "exposed" middle area, so not to foul on anything.
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If you want m5 right hand thread then you easily source from eBay (the advice above on cutting is spot on). However often a linkage will have a reverse thread on one end so the link changes length when you rotate it (without disconnecting the ends). That’s a bit trickier to source.
Yes I've bought a LHS thread die to cut the otherside
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“A REMINDER. I would be grateful if those members who have borrowed bits from me in emergencies (e.g starter motor, oil cooler, etc) would return them and/or contact me”. – Chris Turner RIP
Sorry I'm not exactly sure. I was going to measure it properly after getting one side threaded. About 35-60cm
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“A REMINDER. I would be grateful if those members who have borrowed bits from me in emergencies (e.g starter motor, oil cooler, etc) would return them and/or contact me”. – Chris Turner RIP
Add to that a length of left hand threaded rod and a right hand threaded rod. Cut those to half the required length and fit the turnbuckle in the middle.
However, I had to cut more LHS thread one of the 356 rods (to shorten it). It cut fine so at least I know I'm not being a complete Muppet.
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“A REMINDER. I would be grateful if those members who have borrowed bits from me in emergencies (e.g starter motor, oil cooler, etc) would return them and/or contact me”. – Chris Turner RIP