Forum Discussion
fj12ryder
May 04, 2020Explorer III
Rustofer wrote:Smaller than what? A 7/16" bolt head is 11.1 mm. So a 11 mm bolt head is 0.004" smaller than a 7/16" bolt head. So an 11 mm wrench will fit on a 7/16" bolt/nut.profdant139 wrote:
Speaking of wrenches, has anyone else noticed that not all wrenches are truly sized the same?? I have some newer open-end wrenches that are marked as 7/16 (for quarter inch bolts) that seem to be "sloppy" -- they are fractionally too loose. Am I dreaming, or is that really true?
I don't have a micrometer to measure the perceived sloppiness.
The last 1/4" bolts I bought had smaller metric heads.
It's very unlikely that you bought an SAE bolt with a metric head.
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