Home / Products / Bolts ASTM A490M HIGH STRENGTH STEEL BOLTS FOR STRUCTURAL STEEL JOINTS (METRIC) A490M Notes :Unit: MillimeterT: Thread LengthsT1: Bolt Lengths < 100mm.T2: Bolt Lengths > 100mm. Dimensions per :ASME B18.2.3.7MFinish :Plain (Uncoated)Related Product Links :ASTM A490ASTM A563MASTM F436M