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What is this U2 type collet used for

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Windy	11/10/2016 20:35:33
910 forum posts 197 photos	With the Alexander tool grinder is this collet? it's 5mm bore but no clamping slots. What will this type be used for please?
Mike Poole	11/10/2016 20:52:51
3676 forum posts 82 photos	I do not know what it is for but could it be for a setting pin? Mike
Windy	11/10/2016 21:09:00
910 forum posts 197 photos	Forgot to mention it has G1 engraved on the end.
Clive Hartland	11/10/2016 21:18:36
2929 forum posts 41 photos	Can you check if it has a taper bore, when an engraving tool is ground it is inserted into the collet and a small 'V' shaped tool is used to set tight in the collet and it can be turned to orient the flat side of the cutter against a gauge to set it. Of course there are parallel cutters which need a collet with slots to tighten it.# Clive
Windy	12/10/2016 00:46:10
910 forum posts 197 photos	I think you are correct Clive about 3/4 on the collet normal clamping range there is a slight taper then a ridge and a smaller diameter hole. Good when members come up with solutions to questions thank you. A bit of a change my friend has got the OK to attempt a steam water speed record at Coniston in a few weeks time. Watching Guy Martins two wheel record attempt at Bonneville it shows you can never take anything for granted experienced record attempt breakers know the variables that can effect their attempts. An acquaintance from my old days goes to Bonny regularly and was kept updated there were other class records broken at the Cooke Shootout. Guy was at. Edited By Windy on 12/10/2016 00:56:03 Edited By Windy on 12/10/2016 01:01:52

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