Product Description
- Sometimes called Frame Bolts as these bolts are commonly used on truck frames.
- Also known as hex flange screws or hex washer bolts.
- Flange under the head acts like a washer to increase the bearing surface and distribute the load.
- 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.
- Diameter (Nominal): 5/8"
- Thread Pitch: 18
- Diameter (Dimension): 0.625"
- Length (Nominal): 4"
- Thread Length (Nominal): 1.5"
- Across Flats (Basic): 15/16"
- Across Flats (Minimum): 0.922"
- Across Flats (Maximum): 0.938"
- Head Height, Overall: 0.62"
- Flange Diameter: 1.33"
- Category: Flange Bolts
- System of Measurement: Inch
- Brand: Aspen Fasteners
- Head Style: Hex Indented Flange Head
- Drive Style: External Hex Drive
- Thread Length: Part Thread
- Thread Direction: Right-Hand Thread
- Material: Steel
- Material Grade: Grade 8
- Coating: Phosphate Coated and Oiled
- Coating Color: Black
- Origin: Origin Undefined
- Standards and Specifications: IFI-111, ASME B18.2.1 and SAE J429
Product Videos
Custom Field
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO027-5818X4
Across Flats (Basic) 15/16"
Across Flats (Minimum) 0.922"
Coating Phosphate Coated and Oiled
Brand Aspen Fasteners
Head Height, Overall 0.62"
Category Flange Bolts
System of Measurement Inch
Material Steel
POS BO027-5818X4-000100
Flange Diameter 1.33"
Thread Pitch 18
Thread Length Part Thread
Head Style Hex Indented Flange Head
Thread Length (Nominal) 1.5"
Coating Color Black
Product Class Externally Threaded Fasteners
Drive Style External Hex Drive
Origin Origin Undefined
Material Grade Grade 8
Order Machine Thread Fasteners
Diameter (Dimension) 0.625"
Across Flats (Maximum) 0.938"
Length (Nominal) 4"
Thread Direction Right-Hand Thread
Standards and Specifications IFI-111, ASME B18.2.1 and SAE J429
Diameter (Nominal) 5/8"
