What size socket for lug nuts

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Feb 5, 2015 | 10:43 PM

beachcomber

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Drifting

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From: Prosper TX

What size socket for lug nuts

Quick question, as I'm out of town and about to hit the local hardware store. What size socket is used on our C7's? I can't recall but believe it's 13/16. Can anyone confirm for me real quick what the correct size is?

TIA!

Feb 5, 2015 | 10:48 PM

millpond

Melting Slicks

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From: Bandon, OR

19mm

Feb 5, 2015 | 10:49 PM

beachcomber

Thread Starter

Drifting

Joined: Sep 2010

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From: Prosper TX

Quote:

Originally Posted by millpond

19mm

thanks for the quick response, just what I needed. Thx!

Feb 5, 2015 | 11:04 PM

3 Z06ZR1

Team Owner

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From: salem OR

Quote:

Originally Posted by millpond

19mm

Or 3/4 both fit?

Feb 5, 2015 | 11:49 PM

W88fixer

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From: Texas

You really need a deep well socket. Don

Feb 6, 2015 | 08:22 AM

Glen e

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From: Ft Lauderdale

Tech Contributor

13/16

Feb 6, 2015 | 09:29 AM

eboggs_jkvl

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From: Jacksonville Florida BWO Dayton, Cincinnati, Bloomsbury NJ, Cincinnati

2015 C7 of the Year Finalist

Officially 19mm but 3/4 will work.

0.7480 in. (pretty close to 3/4") = 19.0000mm

13/16" = 21 mm Too big, won't work.

Elmer

Last edited by eboggs_jkvl; Feb 6, 2015 at 02:16 PM.

Feb 6, 2015 | 12:04 PM

MeanDean43

Racer

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From: Wyoming

Well, that gives you a pretty good choice, the only thing that they left out was a sledge hammer!

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Feb 6, 2015 | 12:10 PM

nmerhaut

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From: Cleveland, OH

I bought a deep set 19mm NON-Marring socket at Harbor Freight last year. Haven't used it but it was inexpensive. FYI.

Feb 6, 2015 | 12:13 PM

#10

corvettecop

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Get a disposable rubber glove, cut off the fingers and use them to line the socket to prevent marring of the lug nut. I say "fingers" because they have to be changed out for each wheel. Works great!

Feb 6, 2015 | 12:24 PM

#11

nmerhaut

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From: Cleveland, OH

Quote:

Originally Posted by corvettecop

Get a disposable rubber glove, cut off the fingers and use them to line the socket to prevent marring of the lug nut. I say "fingers" because they have to be changed out for each wheel. Works great!

Great idea.

Feb 6, 2015 | 12:37 PM

#12

Glen e

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From: Ft Lauderdale

Tech Contributor

I just painters tape the socket.

Mar 22, 2015 | 02:28 PM

#13

930man

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19mm will not fit on mine? Confused

Last edited by 930man; Mar 22, 2015 at 02:29 PM. Reason: Spelling

Mar 22, 2015 | 02:38 PM

#14

gpotski

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From: Ohio

I ordered a 19 mm 6 sided socket from amazon to use.

All the local stores only carry 19 mm in 12 point sockets.

Mar 22, 2015 | 02:58 PM

#15

Sir Nuke

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From: West Columbia Texas

as the others have said.....19mm or 13/16" work.....but in both cases, always get and use a 6 point socket.....and a deep well.

Mar 22, 2015 | 03:06 PM

#16

C7 Laguna Blue

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From: Newark DE

A 3/4" socket fits my 2015 just a wee bit better than a 19mm socket.

3/4" = 19.05mm. It's so close I don't think it matters.

Mar 22, 2015 | 03:26 PM

#17

bluvette2000

Instructor

Joined: Jul 2008

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From: Loma Linda CA

Confused info here.
19 mm or 3/4 both work on the original lugs. 13/16 or 21 mm work on some replacement lugs such as the Gorilla lock key lug.

Mar 22, 2015 | 03:36 PM

#18

eboggs_jkvl

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From: Jacksonville Florida BWO Dayton, Cincinnati, Bloomsbury NJ, Cincinnati

2015 C7 of the Year Finalist

13/16 is NOT the size for the OEM lug nuts.

Officially 19mm, per the manual, but 3/4 will work.

0.7480 in. (pretty close to 3/4") = 19.0000mm

13/16" = 21 mm Too big, won't work.

Elmer

Mar 22, 2015 | 04:03 PM

#19

JerryU

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From: NE South Carolina

Quote:

Originally Posted by corvettecop

Get a disposable rubber glove, cut off the fingers and use them to line the socket to prevent marring of the lug nut. I say "fingers" because they have to be changed out for each wheel. Works great!

Was using plastic sandwich bags but they wore after a couple of lugs. Bought this plastic insert 19 mm socket for the C6 black lugs, works perfect for the C7 powder coated black wheels. A little pricy.