Product Description
- 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"
- Thread Pitch: 18
- Length (Nominal): 4"
- Product Class: Externally Threaded Fasteners
- Order: Machine Thread Fasteners
- Category: Carriage Bolts
- System of Measurement: US Units
- Brand: Aspen Fasteners®
- Form and Design: Undersized Body
- 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: Uncoated
- A note on our product images: The copyrighted images are schematic representations. These are artistic renderings which may not reflect the exact appearance, proportions and/or relative dimensions of the actual products. For more precise imagery and/or technical references, please contact our customer support team.
Product Videos
Custom Field
Head Style Round Head
System of Measurement US Units
Category Carriage Bolts
Length 4"
Coating Process Uncoated
Material A307 Steel
Diameter/Pitch 5/16"-18