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): 1-1/2"
- Thread Length (Nominal): 1.5"
- 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
Across Flats (Basic) 9/16"
Origin Origin Undefined
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO028-3816X112X15
Drive Style External Hex Drive
Diameter (Nominal) 3/8"
Thread Direction Right-Hand Thread
Order Machine Thread Fasteners
Head Style Hex Flange Head
POS BO028-3816X112X15-000600
Thread Length (Nominal) 1.5"
Across Flats (Maximum) 0.562"
Thread Length Full Thread
Hardness Rating Rockwell C25-C34
System of Measurement Inch
Coating Color Clear
Product Class Externally Threaded Fasteners
Material Processes Quenched and Tempered
Material Steel
Brand Aspen Fasteners
Coating Zinc Plated
Across Flats (Minimum) 0.552"
Material Grade Grade 5
Thread Pitch 16
Flange Diameter 0.81"
Head Style Detail Locking Serrations
Category Flange Screws
Diameter (Dimension) 0.375"
Length (Nominal) 1-1/2"
Head Height, Overall 0.39"
