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Old 06-30-2024, 07:52 PM   #1
BIG ORANGE
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Bolt size, back seat

Back seat front brackets that bolt to the floor, are they 7/16?
Thanks guy's.
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Old 07-01-2024, 02:59 AM   #2
1970cstblazer
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Lightbulb Re: Bolt size, back seat

7/16"-20 fine thread
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1970 K/5 Blazer CST 4WD, Medium Bronze, 93k ACT. miles, 350, 4 speed, rear positraction, 16.5" x 8.25" HD wheel option, tilt, tach, vacuum, AM/FM, manual throttle...Dad ordered and purchased new 4/70. Currently frame off restoration finally getting close to completion..

1972 Cheyenne Super 20 2WD, DK Blue/White, 90K ACT. miles, 402, TH400, 4.10 open, tilt, tach, vacuum, A/C, AM/FM, manual throttle.. A mostly original paint never rusted Texas survivor...

2017 Sierra 1500 SLT 4WD, Black, 45k miles, 5.3, 6L80E, 3.42 LS, 20" polished wheels, everything but moonroof and 6.2...

2019 Canyon SLT 4WD, White, 62k miles, 3.6, 8L45, 3.23 LS, 18" wheels
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Old 07-01-2024, 06:13 PM   #3
BIG ORANGE
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Re: Bolt size, back seat

Thanks for a quick reply,,
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Old 07-05-2024, 08:09 PM   #4
BIG ORANGE
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Re: Bolt size, back seat

I found what I believe to be the original seat bracket bolts, the heads have like a round circle on the head of bolts, only problem is I'm missing one. Might be a trip to town fr one.
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Old 07-06-2024, 05:55 AM   #5
1970cstblazer
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Lightbulb Re: Bolt size, back seat

These are the spare tire bracket to floor bolts, but I believe they are the same as the forward rear seat bolts. They have a "WB" logo on the head.

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1970 K/5 Blazer CST 4WD, Medium Bronze, 93k ACT. miles, 350, 4 speed, rear positraction, 16.5" x 8.25" HD wheel option, tilt, tach, vacuum, AM/FM, manual throttle...Dad ordered and purchased new 4/70. Currently frame off restoration finally getting close to completion..

1972 Cheyenne Super 20 2WD, DK Blue/White, 90K ACT. miles, 402, TH400, 4.10 open, tilt, tach, vacuum, A/C, AM/FM, manual throttle.. A mostly original paint never rusted Texas survivor...

2017 Sierra 1500 SLT 4WD, Black, 45k miles, 5.3, 6L80E, 3.42 LS, 20" polished wheels, everything but moonroof and 6.2...

2019 Canyon SLT 4WD, White, 62k miles, 3.6, 8L45, 3.23 LS, 18" wheels
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