- Machine bolts are most commonly used in construction applications.
- Machine bolts tolerances are typically less precise than those of cap screws.
- Unlike cap screws, does not have a washer face or a machined point.
- 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.
DIMENSIONAL ATTRIBUTES- Diameter (Nominal): 1/4"
- Thread Pitch: 20
- Diameter (Dimension): 0.25"
- Diameter (Minimum): 0.237"
- Diameter (Maximum): 0.26"
- Length (Nominal): 4"
- Thread Length (Nominal): 4"
- Across Flats (Basic): 7/16"
- Across Flats (Minimum): 0.425"
- Across Flats (Maximum): 0.438"
- Head Height, Overall: 0.172"
- Head Height, Overall (Minimum): 0.150"
- Head Height, Overall (Maximum): 0.188"
PRODUCT ATTRIBUTES- Category: Machine Bolts
- System of Measurement: Inch
- Brand: Aspen Fasteners
- Head Style: Hex Head
- Drive Style: External Hex Drive
- Thread Length: Full Thread
- Thread Direction: Right-Hand Thread
- Material: Steel
- Material Grade: A307 Steel
- Coating: Uncoated
- Origin: Origin Undefined
- Standards and Specifications: ASME B18.2.1
Product UPC Code:
698435064928
- Product Class:
- Externally Threaded Fasteners
- Thread Direction:
- Right-Hand Thread
- Brand:
- Aspen Fasteners
- Material:
- Steel
- Head Style:
- Hex Head
- Thread Length (Nominal):
- 4"
- System of Measurement:
- Inch
- Order:
- Machine Thread Fasteners
- Thread Pitch:
- 20
- Length (Nominal):
- 4"
- Category:
- Machine Bolts
- Standards and Specifications:
- ASME B18.2.1
- Diameter (Nominal):
- 1/4"
- Material Grade:
- A307 Steel
- Shop by System of Measurement:
- Inch
- Thread Length:
- Full Thread
- Coating:
- Uncoated
- Drive Style:
- External Hex Drive
- Shop by Material:
- Steel
- POS:
- BO074-1420X4-000675
- Brand:
- Aspen Fasteners(r)
- cad_3d_file_url:
- https://3d.aspenfasteners.com/assets/obj/BO074-1420X4.zip
- cad_3d_viewer_url:
- https://3d.aspenfasteners.com/viewer/?cad_model=obj/BO074-1420X4
- specifications_document_url:
- https://www.aspenfasteners.com/content/2D_PDF/product78/BO074-1420X4.PDF
- Diameter (Minimum):
- 0.237"
- Origin:
- Origin Undefined
- Head Height, Overall:
- 0.172"
- Across Flats (Basic):
- 7/16"
- Diameter (Maximum):
- 0.26"
- Diameter (Dimension):
- 0.25"
- Across Flats (Maximum):
- 0.438"
- Across Flats (Minimum):
- 0.425"
- Head Height, Overall (Minimum):
- 0.150"
- Head Height, Overall (Maximum):
- 0.188"
