 MikeB
Senior Member
Posts: 9389
Loc: Plano, TX
Reg: 08-28-03
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06-20-12 02:50 PM - Post#2239545
In response to 66cayne
Drill bit size is 25/64" for 7/16-20 tap. And like 66cayne says, use a really good drill bit. You might want to see if you have an industrial supply store near you, like MSC or Grainger. I'm not sure Lowe's, Home Depot, etc. have any drill bits that are suitable for forged steel. And a Chinese tap probably won't do the job.
Real Hot Rods have a Clutch!
1955 210 2dr: 327, Brodix IK180 heads, Jones cam, Muncie M20, Wilwood front brakes
1969 C-10 pickup: 350, TH350
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Edited by MikeB on 06-20-12 02:51 PM. Reason for edit: No reason given.
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