ricey3 Posted November 21, 2013 Report Share Posted November 21, 2013 sure everyone has one lying around?? Link to comment Share on other sites More sharing options...
porter_jamie Posted November 21, 2013 Report Share Posted November 21, 2013 we could thread mill it. Link to comment Share on other sites More sharing options...
ricey3 Posted November 21, 2013 Author Report Share Posted November 21, 2013 yeah. I thought that but it involves posting a 5"x2" slice of steel bothways which will costa bomb. its a last gasp hope before grinding a tool and doing it. trouble is the thread is on the lathe spindle and the workpiece will be in the lathe so I'll not be able to checkthe thead before taking it out the chuck. Link to comment Share on other sites More sharing options...
porter_jamie Posted November 21, 2013 Report Share Posted November 21, 2013 oh, its in the lathe? man up grind a tool and turn it! 4mm pitch. ouch Link to comment Share on other sites More sharing options...
ricey3 Posted November 21, 2013 Author Report Share Posted November 21, 2013 yeah. I'm making a backplate so I can fit a selfcentering 4 jaw chuck. got an independent but I'm sick of setting it up for square stuff. would be easy but the thread I need to cut is internal. in fact I best go check I can do 4mm pitch... Link to comment Share on other sites More sharing options...
ricey3 Posted November 21, 2013 Author Report Share Posted November 21, 2013 ah bollocks its maxed out at 3mm. Link to comment Share on other sites More sharing options...
porter_jamie Posted November 21, 2013 Report Share Posted November 21, 2013 Ill check our lathe but im not sure it would do 4mm. We would need to buy a thread mill insert and possibly an holder to do it on the haas Link to comment Share on other sites More sharing options...
ricey3 Posted November 21, 2013 Author Report Share Posted November 21, 2013 ok. think I may as well order a $50 part machined plate from the states. it'll work out cheaper. enough of my wages goes your way as it is! Link to comment Share on other sites More sharing options...
porter_jamie Posted November 21, 2013 Report Share Posted November 21, 2013 so i checked. insert is 95 quid. and you need the next size up holder which is 200 quid. oh. Link to comment Share on other sites More sharing options...
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