Name: (500 pcs) 1/4'-20 X 3-1/4', Carriage Bolts, Round Head, Square Neck, Full Thread, A307 Steel, Zinc
Brand: ASPEN FASTENERS
SKU: T8260824EJOU70S8
Price: 95.52 USD
Availability: InStock

(500 pcs) 1/4'-20 X 3-1/4', Carriage Bolts, Round Head, Square Neck, Full Thread, A307 Steel, Zinc

$95.52 $249.31

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.DIMENSIONAL ATTRIBUTES Diameter (Nominal): 1/4' Thread Pitch: 20 Diameter (Dimension): 0.25' Diameter (Minimum): 0.237' Diameter (Maximum): 0.26' Length (Nominal): 3-1/4' Thread Length (Nominal): 3.094' Neck Width: 0.26' Neck Height: 0.156' Head Diameter (Minimum): 0.563' Head Diameter (Maximum): 0.594' Head Height, Overall (Minimum): 0.125' Head Height, Overall (Maximum): 0.145'PRODUCT ATTRIBUTES Category: Carriage Bolts System of Measurement: Inch Brand: Aspen Fasteners Head Style: Round Head Head Style Detail: Square Neck Head Markings: Material Grade Mark 'A307' Thread Length: Full Thread Thread Direction: Right-Hand Thread Material: Steel Material Grade: A307 Steel Coating: Zinc Plated Coating Color: Clear Origin: Origin Undefined Standards and Specifications: ASME B18.5

Features & Specs