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11-11-2014, 11:44 AM
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#1 |
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Registered User
 Join Date: Apr 2014
Location: MD
Posts: 26
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What size hole are the frame rivets in?
Hello, I need to know what size hole the frame rivets are. I need to drill some new holes but do not have any drill bits that large nor do I have any measuring devices I trust to be accurate enough to make a snug fit. Thank you
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11-11-2014, 12:53 PM
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#2 |
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Registered User
Join Date: Apr 2014
Location: North Vancouver, BC
Posts: 15
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Re: What size hole are the frame rivets in?
I found most of them to be somewhere between 3/8 and 7/16. The 3/8 bolts seemed to fit quite loosely so I ended up boring out the holes with a 7/16 bit for a tight fit.
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11-12-2014, 12:55 AM
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#3 |
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Senior Member
Join Date: Mar 2003
Location: Colfax-California
Posts: 8,650
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Re: What size hole are the frame rivets in?
The holes are 10mm or you can use a letter X drill bit. I usually drill to 7/16 and use a fine thread grade 8 bolt and torque to70 lbs.
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11-12-2014, 01:10 AM
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#4 |
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Registered User
Join Date: Feb 2014
Location: Los Angeles area :(
Posts: 499
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Re: What size hole are the frame rivets in?
x3 on spending the time to drill a clean, ROUND hole for a 7/16 bolt instead of the beat up ~3/8 holes. My whole C10 frame is done this way, my Blazer is getting there
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'68 C10 SWB '85 K30 Blazer |
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