What do you call...

Pontiac Freak

Pontiac Freak

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Nov 9, 2010
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What is the name of the transfer style punch that goes into a bolt hole (or several) with the sharp marking edge out and you put your piece against them and tap to get the hole centers across multiple holes at once. The transfer punches I have been seeing are way to long and dont fit bolt holes and rest against the metal.
 
What I intend to use them for is on a Small Block Chevy I am making a set of plates that mount to the rear of the heads, but trying to find the center of the holes on the head is difficult. So what I will do is screw these into the holes in the head and set my plate where it needs to be located and then tap the plate. Then drill the punch marks left on the plate.
 
This is just below the picture on the site that was posted. "Set consists of 6 hardened screws, nested in a combined holder and wrench as illustrated above" So I assume that they fit inside the handle/wrench to screw them into the hole you want to mark the center of.
 
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