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rich rich is offline
Hey! Nice Rack! "Celette"
 
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Join Date: Jan 1999
Location: Superior WI USA
Posts: 1,634
Garage
Quote:
Originally Posted by Danglerb View Post
Are the shiny strips the places where the tool attached?

What kind of torque did you put on it?
Yes, the stud threaded section is 1 1/4" long. The hole the stud slides into is 3 1/2" deep. I stayed above the block deck about 1/4" as not to scuff the deck if the cam tool I was using slipped.

BTW: The cam tool I purchased from Sears is a piece for crap. Good thing it's a Craftsman so I can bring it back.

So, I did some deep thinking about this yesterday. Unfortunately, I didn't have the light bulb moment until most places closed for the day.

Here's how I'm going to fix this. If it works I'll post pics.

I located left hand drill bits on http://www.mcmaster.com/

They also have left hand taps and bolts!

I'm going to machine a drill bushing that doubles as a chuck for a (short) left hand drill bit. Sometimes during the drilling the threads will back out. If it doesn't,,,,,

I am going to use the left hand tap to cut threads in the pilot hole.

This sometimes will cause the threaded section to back out. If it doesn't,,,,

I am going to thread in a left hand grade 8 bolt. This will repair the broken bolt and give me a positive bite on the threaded section. If the bolt breaks I can just drill it again.

If I used an extractor and it breaks, I toss the block in the scrap pile.

Extractors = bad.... bolt = good...
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Old 04-29-2008, 06:02 AM
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