... bolts thread bolt, T-bolt, T head bolts, hammer head bolts 1. Standard of T head Bolts: DIN,ANSI,BS,AS, ... etc.2. Material of T head Bolts: Carbon steel, ... 500mm.5. Surafce Finish of T head Bolts: plain, black, zinc plated, H.D.G,etc.6. Produce according ... to drawing or samples 7.Packing of T head Bolts:Inner packing ...