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"
- 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
Drive Style External Hex Drive
Diameter (Dimension) 0.3125"
Coating Color Black
Material Grade Grade 8
Thread Length Part Thread
Head Style Hex Indented Flange Head
Length (Nominal) 1"
Origin Origin Undefined
Head Height, Overall 0.32"
Material Steel
Flange Diameter 0.706"
Across Flats (Maximum) 0.5"
Category Flange Bolts
Brand Aspen Fasteners
Standards and Specifications IFI-111, ASME B18.2.1 and SAE J429
Thread Pitch 24
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO027-51624X1
Order Machine Thread Fasteners
Thread Length (Nominal) 0.875"
Diameter (Nominal) 5/16"
System of Measurement Inch
Across Flats (Minimum) 0.491"
Across Flats (Basic) 1/2"
Coating Phosphate Coated and Oiled
POS BO027-51624X1-000800
Thread Direction Right-Hand Thread
Product Class Externally Threaded Fasteners