Carriage Bolt Metric Neck Type Square Basic Material Steel Material Grade Class 4.6 Fastener Finish Zinc Plated Dia/Thread Size M16-2.00 Fastener Length 140 mm Fastener Thread Direction Right Hand Fastener Thread Type Metric Coarse DIN 603 Head Dia 37.20 to 38.80mm Head Height 8.95 mm Head Type Round Square Height 12.90mm Square Width 16.70mm Tensile Strength 58 000 psi Package Quantity 10