It took me a little bit to track these down, but the T-Studs (bolts) used on the Bowfin racks can be found at TNutz for $0.40 each or $0.65 each with nyloc nut and washer. I got a bag of 50 studs, if anyone needs a couple hit me up. (QTB-010-KL) 10 Series Quarter-Turn, Drop In Stud – 1/4-20 – Nickel plated w/ SS washer and SS lock-nut | TNUTZ | TNUTZ - https://www.tnutz.com/product/qtb-010-kl/