(900 pcs) 1/4'-20 X 2-1/2', Carriage Bolts, Flat Head, Square Neck, Full Thread, A307 Steel, Zinc

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): 2-1/2' Thread Length (Nominal): 2.344' Neck Width: 0.26' Neck Height: 0.156' Head Diameter (Minimum): 0.59' Head Diameter (Maximum): 0.64' Head Height, Overall (Minimum): 0.078' Head Height, Overall (Maximum): 0.098'PRODUCT ATTRIBUTES Category: Carriage Bolts System of Measurement: Inch Brand: Aspen Fasteners Head Style: Flat 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

Features & Specs

• Exterior Finish : Zinc
• Fastener Type : Carriage Bolt
• Grade Rating : Grade 1
• Manufacturer Grade : Grade 1
• Screw Head Style : Flat
• Thread Size : 1/4'-20
• Thread Style : Right Hand

Item details

• ASIN : B08BL44FL2
• Brand : ASPEN FASTENERS
• Fastener Type : Carriage Bolt
• Item Weight : 29.7 Pounds
• Manufacturer : Aspen Fasteners
• Model : BO003-1420X212-000900
• Number Of Items : 1
• Part Number : BO003-1420X212-000900
• UPC : 692559907680
• Unit Count : 900.0 Count

Materials & Care

• Exterior Finish : Zinc
• Material Type : Low Carbon Steel

Measurements

• Item Dimensions : 2.5 x 0.25 x 2.5 inches
• Item Weight : 29.7 Pounds
• Size Name : 1/4'-20 X 2-1/2'
• Thread Coverage : Fully Threaded
• Thread Size : 1/4'-20