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): 3-1/2"
- 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
Material Grade Grade 8
Length (Nominal) 3-1/2"
Origin Origin Undefined
Standards and Specifications IFI-111, ASME B18.2.1 and SAE J429
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO027-5818X312
Across Flats (Maximum) 0.938"
Thread Length (Nominal) 1.5"
Across Flats (Basic) 15/16"
Thread Direction Right-Hand Thread
Order Machine Thread Fasteners
Across Flats (Minimum) 0.922"
Diameter (Nominal) 5/8"
Thread Pitch 18
Diameter (Dimension) 0.625"
Drive Style External Hex Drive
Product Class Externally Threaded Fasteners
Material Steel
Head Height, Overall 0.62"
Coating Color Black
Brand Aspen Fasteners
Flange Diameter 1.33"
Thread Length Part Thread
System of Measurement Inch
POS BO027-5818X312-000115
Coating Phosphate Coated and Oiled
Head Style Hex Indented Flange Head
Category Flange Bolts