Zinc Round Head Full Thread 600 pcs Carriage Bolts Square Neck 5/16-18 X 1-1/2 A307 Steel

(600 pcs) 5/16'-18 X 1-1/2', Carriage Bolts, Round Head, Square Neck, Full Thread, A307 Steel, Zinc: Industrial & Scientific. (600 pcs) 5/16"-18 X 1-1/2", Carriage Bolts, Round Head, Square Neck, Full Thread, A307 Steel, Zinc: Industrial & Scientific. Also known as coach bolts, are typically used to fasten metal to wood. 。 The square neck under the head locks the bolt into place. 。 ASTM A307 steel is a standard "industrial spec" low carbon grade of steel. 。 A307 steel fasteners have a minimum tensile strength of 60,000 pounds per square inch. 。 Can be used as a security fastener. The smooth head prevents unfastening from the head side. 。 Diameter (Nominal): 5/16"。Diameter (Dimension): 0.3125"。Thread Pitch: 18。Length (Nominal): 1-1/2"。Thread Length (Minimum): 1.313"。Neck Width: 0.324"。Neck Height: 0.187"。Head Diameter: 0.719"。Head Height, Overall: 0.176"。Category: Carriage Bolts。System of Measurement: US Units。Brand: Aspen Fasteners®。Head Style: Round Head。Head Style Detail: Square Neck。Thread Length: Full Thread。Thread Direction: Right-Hand Thread。Material: Steel。Material Grade: A307 Steel。Coating: Zinc Plated。Coating Color: Clear。Standards and Specifications: ASME B18.5。NB: Product images are copyrighted artistic representations which may not reflect the product's exact appearance, proportions and/or relative dimensions.。。。。