Portland Bolt manufactures custom J-bolts from 1⁄2" - 11⁄2" diameter to virtually any ASTM specification. J-bolts are provided either plain finish or hot-dip galvanized. Stainless steel J-bolts are also manufactured. All operations, including the galvanizing process, are performed in-house.
If you are looking for a bolt shaped like the letter "J" or a "candy cane", follow the link to round bend hook bolts.