Originally Posted by Geof  I thought +/-0.00025" is half a thou. |
No that would be a quarter thou.
.001/2 = .0005
.001/4 = .00025
Anyone know where I can get a 4" boring head? Also it needs to go on an MT2 taper 1/2HP Bridgeport, is that too small for that big of a boring head? I need to bore a 3.5" hole.