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): 5/16"
- Thread Pitch: 24
- Diameter (Dimension): 0.3125"
- Length (Nominal): 1-1/4"
- Thread Length (Nominal): 0.875"
- Across Flats (Basic): 1/2"
- Across Flats (Minimum): 0.491"
- Across Flats (Maximum): 0.5"
- Head Height, Overall: 0.32"
- Flange Diameter: 0.706"
- 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
Coating Color Black
Thread Length (Nominal) 0.875"
Head Height, Overall 0.32"
Thread Pitch 24
Thread Length Part Thread
Flange Diameter 0.706"
POS BO027-51624X114-000800
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO027-51624X114
Order Machine Thread Fasteners
Category Flange Bolts
Origin Origin Undefined
Coating Phosphate Coated and Oiled
Standards and Specifications IFI-111, ASME B18.2.1 and SAE J429
Diameter (Dimension) 0.3125"
Thread Direction Right-Hand Thread
Diameter (Nominal) 5/16"
Product Class Externally Threaded Fasteners
Brand Aspen Fasteners
System of Measurement Inch
Material Grade Grade 8
Across Flats (Minimum) 0.491"
Drive Style External Hex Drive
Across Flats (Maximum) 0.5"
Head Style Hex Indented Flange Head
Length (Nominal) 1-1/4"
Material Steel
Across Flats (Basic) 1/2"
