25pcs M16-2.0x100mm Carriage Bolts Class 8.8 Zinc Plated for Construction & Machinery

Also known as coach bolts, are typically used to fasten metal to wood. The square neck under the head locks the bolt into place. Class 8.8 steel is a tempered medium carbon steel with a minimum tensile strength of 800/mm-2 (Mpa). Can be used as a security fastener. The smooth head prevents unfastening from the head side.DIMENSIONAL ATTRIBUTES Diameter (Nominal): M16 Thread Pitch: 2.0 Diameter (Dimension): 16mm Diameter (Minimum): 15.3mm Diameter (Maximum): 16mm Length (Nominal): 100mm Thread Length (Nominal): 38mm Neck Width: 16.7mm Neck Height: 12.9mm Head Diameter (Minimum): 37.2mm Head Diameter (Maximum): 38.8mm Head Height, Overall (Minimum): 8.05mm Head Height, Overall (Maximum): 8.95mmPRODUCT ATTRIBUTES Category: Carriage Bolts System of Measurement: Metric Brand: Aspen Fasteners® Head Style: Round Head Head Style Detail: Square Neck Head Markings: Material Grade Mark "8.8" Thread Length: Standard Thread Length Thread Direction: Right-Hand Thread Material: Steel Material Grade: Class 8.8 Steel Coating: Zinc Plated Coating Color: Clear Standards and Specifications: DIN 603 / ISO 8677