Timco - Throughbolts - Zinc (Size M12 x 180 - 25 Pieces)

Thread Dia. mm - M12 Length mm - 180 Nut Socket Size mm - 19You may also like Timco - Metal Construction Stitching Screws - For Sheet to Sheet - Hex - EPDM Washer - Bi-Metal - Exterior - Silver Organic (Size 6.3 x 22 - 100 Pieces).