A carriage bolt, often known as a mentor bolt, provides a domed or countersunk head, as well as shank is topped by a …They may be made with almost any mixture of pitch size. Mostly This really is 41mm x 100mm or 30mm x 100mm.Harga yang tinggi, mencapai Rp419 juta untuk varian terendah dan Rp614 juta untuk varian tertinggi, membuatnya sulit diakse