hi paul; i went to fastenall in n.bemd for my all thread a stick of 6mm and 8mm is only about twelve bucks, i cut it with a dremel and then double nut to insert stud, denut, add lock washer and one nut torque and double nut. i had already purchaced the nuts and washers at true value. we dont have tractor supply co. in washington, but dels tractor supply is its subsidiary, they have the rubber roller parts for that nice chain tensioner. we can meet anytime and ill get some oil too. mitch happy 4th