Size of the Hamer truss rod nut?

[MCChris]

Misplaced my last fucking TRW (again) so I'm gonna buy, like, a dozen at my local hardware store if they've got 'em.

Trying to avoid bringing a guitar with me, so what size do I need? These would be 1997 and 2002 Hamers.

[Feynman]

5/16"

Be sure to get one that will fit into the opening - sometimes the hardware store stuff is too thick.

[MCChris]

I should probably pop for a couple of these. Theoretically harder to lose:

http://www.stewmac.com/Luthier_Tools/Tools_by_Job/Truss_Rods/Hex_Truss_Rod_Wrenches.html

[JohnnyB]

A while back I got a bass or something and needed a truss rod wrench. I went through one disappointment after another from Stew-Mac, MF, you-name-it because none of them would fit in the carved recess. Then I tried the box end of a combination wrench from my toolbox and it slid over and in perfectly. Try it before you order anything.

[MCChris]

Welp, as JohnnyB pointed out, the StewMac tool doesn't fit in the carved recess, nor does a combination wrench. So I'm confirming that the nut is in fact 5/16" before I pop for some of these:

http://www.amazon.com/Wrench-Phillips-Screwdriver-Allparts-LT-4216-000/dp/B002Q163VQ/ref=sr_1_2?s=musical-instruments&ie=UTF8&qid=1409670167&sr=1-2&keywords=allparts+truss

[cmatthes]

Chris:

Let me see if I have an extra Hamer one around. If I can dig one up, I'll just drop it in the mail to ya.

[JimiH]

Got mine from here for my diablo

http://www.wdmusic.co.uk/truss-rod-wrench-516-inch-size-for-gibson-2704-p.asp

Geoff

[ARM OF HAMER]

I use a 2" long 5/16" Sears Craftsman socket to adjust my 79 Hamer Sunburst. Take off the TR cover and it goes right in to the TR cavity recess and on to the TR nut w/o issue........... strings do not present a problem either with having to move them out of the way. Perfect!