Product Description
- Also known as hex flange bolts, frame bolts or hex washer bolts.
- Flange under the head acts like a washer to increase the bearing surface and distribute the load.
- Serrated teeth under the head bite into the mating surface as tightened to prevent loosening.
- The heads of grade 5 steel fasteners are typically marked with 3 raised radial lines.
- Grade 5 steel fasteners have a minimum tensile strength of 105,000 pounds per square inch.
- Diameter (Nominal): 3/8"
- Thread Pitch: 16
- Diameter (Dimension): 0.375"
- Length (Nominal): 1"
- Thread Length (Nominal): 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"
- Category: Flange Screws
- System of Measurement: Inch
- Brand: Aspen Fasteners
- Head Style: Hex Flange Head
- Head Style Detail: Locking Serrations
- Drive Style: External Hex Drive
- Thread Length: Full Thread
- Thread Direction: Right-Hand Thread
- Material: Steel
- Material Grade: Grade 5
- Material Processes: Quenched and Tempered
- Coating: Zinc Plated
- Coating Color: Clear
- Hardness Rating: Rockwell C25-C34
- Origin: Origin Undefined
Product Videos
Custom Field
Category Flange Screws
Across Flats (Basic) 9/16"
Across Flats (Minimum) 0.552"
Thread Length Full Thread
Thread Pitch 16
Head Style Hex Flange Head
Brand Aspen Fasteners
Flange Diameter 0.81"
Diameter (Dimension) 0.375"
Material Grade Grade 5
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO028-3816X1
Product Class Externally Threaded Fasteners
Material Processes Quenched and Tempered
Across Flats (Maximum) 0.562"
Thread Length (Nominal) 1"
Order Machine Thread Fasteners
Origin Origin Undefined
Coating Color Clear
Length (Nominal) 1"
Head Height, Overall 0.39"
POS BO028-3816X1-000750
Coating Zinc Plated
Drive Style External Hex Drive
Material Steel
System of Measurement Inch
Hardness Rating Rockwell C25-C34
Diameter (Nominal) 3/8"
Thread Direction Right-Hand Thread
Head Style Detail Locking Serrations