I have a perfectly good pair of lawn edging shears but the bolt has sheared . They are Jenks and Cattell and quite a few years old (40+). The bolt look s like a special. it is about 0.25 ins dia, 0.75 ins long but the shank bel ow the head is first round and then square section - to locate in one blade of the shears. Anybody know where I could get a replacement?
I have a perfectly good pair of lawn edging shears but the bolt has sheared. They are Jenks and Cattell and quite a few years old (40+). The bolt looks like a special. it is about 0.25 ins dia, 0.75 ins long but the shank below the head is first round and then square section - to locate in one blade of the shears. Anybody know where I could get a replacement?
Just use an ordinary bolt of the diameter of the across flats of the square hole or file a flat on a suitable bolt
Wouldn't that defeat the objective of stopping the bolt turning and coming loose.
J
Is that round immediately adjacent the head then a square section then the thread? Or square below the head then round like a coach bolt?
Ask them?
Now an engineering firm but you never know...
Indicates that your shears may be some what older than 40 years, like
60 or 70...
Just for the record they were my Dad's who died in 1996, that's why I'm rel uctant to discard them and buy new - I'm kind of sentimental that way. The special bolt was round immediately under the head, then square then the thr ead. One blade of the shears has a round hole and the other blade a square hole. Anyway, a bit of lateral thinking, I found a coach bolt (M8) and fitted it the other way round. Job done and blades sharpened - shears as good as new and should be OK to pass on to my grandson in another 15 or 20 years! Thank s for the help. PeteK
I'd suspect the bolt was originally shaped like that so there was no tendency for the nut to undo in service. A coach bolt fitted the other way round will place a moving jaw immediately behind the nut.
In message , The Other Mike writes
Washer and nylock nut.? I think they usually use those double coil flat spring washers.
>
I did in fact fit a washer and nyloc nut. Just thought it was so obvious that I didn't mention it.
PeteK
And if sharpened and maintained properly will still work better and last longer than a modern replacement. Trouble is knowing how to sharpen and set them properly, angles, blade "bend", etc...
Seems a bit strange, with the nut tightening onto the square bit how does one set the correct scissor pressure where the two blades meet? Particularly with the meeting point close to the pivot, shims under the head I guess, back then shiming things for fit would be the norm.
That's good to hear. Nyloc nuts are useful but I don't think they would have existed before the war...
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