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**kwmech** · 07-15-2004, 11:42 PM

I always touch the holes with a 'stepped drill' bit to get the holes round which ends up at 7/16. Grade 8 fine thread with grade 8 flat washers and a pinch nut.

07-15-2004, 11:42 PM	#10
kwmech Senior Member Join Date: Mar 2003 Location: Colfax-California Posts: 8,717	I always touch the holes with a 'stepped drill' bit to get the holes round which ends up at 7/16. Grade 8 fine thread with grade 8 flat washers and a pinch nut.