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.
- Diameter (Nominal): 3/8"
- Thread Pitch: 16
- Diameter (Dimension): 0.375"
- Length (Nominal): 4"
- Thread Length (Nominal): 4"
- 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 Processes: Case Hardened
- Coating: Zinc Plated
- Coating Color: Clear
- Hardness Rating: Rockwell C40 / Core C26-C34
- Origin: Origin Undefined
Product Videos
Custom Field
Drive Style External Hex Drive
Thread Pitch 16
Order Machine Thread Fasteners
Thread Direction Right-Hand Thread
Coating Zinc Plated
Category Flange Screws
Material Processes Case Hardened
Product Class Externally Threaded Fasteners
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO044-3816X4
Across Flats (Basic) 9/16"
Origin Origin Undefined
Brand Aspen Fasteners
Hardness Rating Rockwell C40 / Core C26-C34
POS BO044-3816X4-000250,BO044-3816X4-000200
Diameter (Nominal) 3/8"
Across Flats (Maximum) 0.562"
Material Steel
Thread Length Full Thread
Diameter (Dimension) 0.375"
System of Measurement Inch
Across Flats (Minimum) 0.552"
Length (Nominal) 4"
Head Style Detail Locking Serrations
Thread Length (Nominal) 4"
Flange Diameter 0.81"
Head Style Hex Flange Head
Head Height, Overall 0.39"
Coating Color Clear
