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): 2-1/2"
- Thread Length (Nominal): 2.5"
- 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 Processes: Case Hardened
- Coating: Zinc Plated
- Coating Color: Clear
- Hardness Rating: Rockwell C40 / Core C26-C34
- Origin: Origin Undefined
Product Videos
Custom Field
Across Flats (Minimum) 0.552"
Diameter (Nominal) 3/8"
Length (Nominal) 2-1/2"
Brand Aspen Fasteners
Thread Length Full Thread
Across Flats (Maximum) 0.562"
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO044-3816X212
Flange Diameter 0.81"
Coating Color Clear
POS BO044-3816X212-000250,BO044-3816X212-000350
Origin Origin Undefined
Head Style Hex Flange Head
Hardness Rating Rockwell C40 / Core C26-C34
Coating Zinc Plated
Thread Length (Nominal) 2.5"
Thread Pitch 16
Head Height, Overall 0.39"
Product Class Externally Threaded Fasteners
Diameter (Dimension) 0.375"
Category Flange Screws
Order Machine Thread Fasteners
Drive Style External Hex Drive
Material Processes Case Hardened
System of Measurement Inch
Material Steel
Across Flats (Basic) 9/16"
Thread Direction Right-Hand Thread
Head Style Detail Locking Serrations
