- 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): 3/8"
- Thread Pitch: 16
- Diameter (Dimension): 0.375"
- Length (Nominal): 4"
- Thread Length: 1"
- Across Flats (Basic): 9/16"
- Across Flats (Minimum): 0.552"
- Across Flats (Maximum): 0.562"
- Head Height, Overall: 0.39"
- Flange Diameter: 0.81"
- Product Class: Externally Threaded Fasteners
- Order: Machine Thread Fasteners
- 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 Steel
- Coating: Phosphate Coated and Oiled
- Coating Color: Black
- Standards and Specifications: IFI-111, ASME B18.2.1 and SAE J429
Product UPC Code:
692559853871
- System of Measurement:
- Inch
- Flange Diameter:
- 0.81"
- Head Height, Overall:
- 0.39"
- Across Flats (Maximum):
- 0.562"
- Across Flats (Minimum):
- 0.552"
- Across Flats (Basic):
- 9/16"
- Thread Length:
- 1"
- Length (Nominal):
- 4"
- Thread Pitch:
- 16
- Diameter (Dimension):
- 0.375"
- Diameter (Nominal):
- 3/8"
- Standards and Specifications:
- IFI-111, ASME B18.2.1 and SAE J429
- Coating Color:
- Black
- Coating:
- Phosphate Coated and Oiled
- Material Grade:
- Grade 8 Steel
- Material:
- Steel
- Thread Direction:
- Right-Hand Thread
- Thread Length:
- Part Thread
- Drive Style:
- External Hex Drive
- Head Style:
- Hex Indented Flange Head
- Brand:
- Aspen Fasteners
- Category:
- Flange Bolts
- Order:
- Machine Thread Fasteners
- Product Class:
- Externally Threaded Fasteners
- Shop by Material:
- Steel
- Shop by System of Measurement:
- Inch
- POS:
- BO027-3816X4-000250
