I ordered a set of replacement pulley bolts from fastenal.. but I need to order washers. Can anyone tell me what size they are? I'm not home and wanna get them ordered...

Also, the fastenal bolts are a tad shorter than the harley bolts.. does that matter?

The bolts I ordered are:

7/16"-14 x 2-1/2" Yellow Zinc Finish SAE J429 Grade 8 Hex Cap Screw

 

Didn't have washers before? I use Fastenal, but why are the shorter?

 

The OEM bolt have washers but they are non removable.

 

OK, all mine the washers come off. I have always either reused them with Loctite (I know it says do not reuse) or if damaged or too rusty got a set from Harley $20 or so.

 

Take this with a grain of salt because I'm not 100% sure on it, but if I remember correctly grade 5 bolts have a higher sheer strength than grade 8. Grade 8 has a higher tensile strength. If that IS true, grade 5 may be the better way to go. Also I'm sure you already know this but HD put out a service bulletin on the torquing procedure so your SM may have the old procedure. Good luck izzy, I have no info on the washer size, I'm sure any 7/16 washer will work, the stock ones are probably about 1/8" thick

 

I may be wrong.. but I thought a bolts shear strength is roughly about 60% of it's tensile strength.

 

I just did a little googling and I think your right on the money. Probably another old wives tale. Only reason I brought it up is because we were sheering bolts on our equipment trailers at work and the mechanics said it was because of the grade 8 bolts. They put in grade 5 and the bolts stopped sheering, but this is a different scenario

 

I have access to grade 5 black bolts would I be ok to use these instead of the HDones

 

Can anyone tell me what the outside diameter of the washers are?

 

Buy one of these and never worry about bolts backing out again


http://stillkickingmoto.bigcartel.co...ocket-lock-tab