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.
- The heads of grade 8 steel fasteners are typically marked with 6 raised radial lines.
- Grade 8 steel fasteners have a minimum tensile strength of 150,000 pounds per square inch.
- Can be used as a security fastener. The smooth head prevents unfastening from the head side.
- Diameter (Nominal): 1/4"
- Diameter (Dimension): 0.25"
- Thread Pitch: 20
- Length (Nominal): 3"
- Thread Length (Minimum): 2.844"
- Neck Width: 0.26"
- Neck Height: 0.156"
- Head Diameter: 0.594"
- Head Height, Overall: 0.145"
- Product Class: Externally Threaded Fasteners
- Order: Machine Thread Fasteners
- 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: Grade 8 Steel
- Coating: Zinc Plated
- Coating Color: Yellow
- Standards and Specifications: ASME B18.5 and SAE J429
- NB: Product images are copyrighted artistic representations which may not reflect the product's exact appearance, proportions and/or relative dimensions.
Product Videos
Custom Field
Diameter/Pitch 1/4"-20
Head Style Round Head
Coating Process Zinc Plated, Yellow
System of Measurement US Units
Category Carriage Bolts
Length 3"
Standards and Specifications ASME B18.5 and SAE J429
Material Grade 8 Steel
