Hi Dan I used grade 8 bolts from an industrial supplier. Here in the Detroit area there are lots of suppliers that sell bolts. Of course you cant tell them it's for an aircraft. Just get the best quality grade 8 that they have.
Orma Southfield, MI N110LR Tweety, old enough to drink this year Flying and more flying, to the gathering or bust http://www.kr-2.aviation-mechanics.com/
