Carriage Bolt, Metric, Neck Type Square, Basic Material Stainless Steel, Material Grade A2, Fastener Finish Plain, Dia./Thread Size M5-0.80, Fastener Length 40 mm, Fastener Thread Direction Right Hand, Fastener Thread Type Metric Coarse, DIN 603, Head Dia. 12.45 to 13.55mm, Head Height 3.3 mm, Head Type Round, Square Height 4.10mm, Square Width 5.48mm, Tensile Strength 101,500 psi, Package Quantity 100