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Bolt Size Used for Installing Curt Hitch # C11681


Hello, For hitch C11681, what are the thread and length of the bolts that hold the hitch to the frame under the mufflers? Thank you.


Expert Reply:

The size of the install bolts that secure the Curt hitch part # C11681 to the rear of your 2015 Honda Accord are 7/16-14 x 1 1/4. These are included with the hitch as well as all of the other needed hardware to install the hitch.

If for some reason you needed new hardware we can provide that if you order part number # RHK.

I attached a picture that shows all of the included hardware plus an install video link for you to check out as well.

expert reply by:
Jameson C

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Follow up Questions


For the bolt provided with C11681, what is the grade of those bolts?Thanks!

Etrailer Expert
Reply from Chris R.

The included bolts with the Curt Trailer Hitch # C11681 are all Grade 8.

Reply from Farrukh

Thanks @ChrisR! Can you provide the torque reference guide for the bolts. I found this generic guide and the limit for 3/8 bolt is less than 45 ft-lb of torque for all types of grade 8 bolts. C11681 installation guide lists 45 ft-lb as the installation torque. I want to make sure the torque is within the specs.

Etrailer Expert
Reply from Chris R.

@Farrukh The 45 foot pound torque listed for the 3/8" hardware in the manual is correct. There won't be any problems torquing the bolts down to this spec.

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