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): #8
- Thread Pitch: 32
- Diameter (Dimension): 0.164"
- Length (Nominal): 5/16"
- Thread Length (Nominal): 0.3125"
- Across Flats (Basic): 1/4"
- Across Flats (Minimum): 0.244"
- Across Flats (Maximum): 0.25"
- Head Height, Overall: 0.186"
- Flange Diameter: 0.355"
- 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
Across Flats (Minimum) 0.244"
Product Class Externally Threaded Fasteners
Diameter (Dimension) 0.164"
Across Flats (Basic) 1/4"
Origin Origin Undefined
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO044-832X516
Across Flats (Maximum) 0.25"
Thread Length (Nominal) 0.3125"
Thread Pitch 32
Material Processes Case Hardened
Flange Diameter 0.355"
Thread Direction Right-Hand Thread
Head Style Detail Locking Serrations
Coating Zinc Plated
Material Steel
Head Style Hex Flange Head
Head Height, Overall 0.186"
Order Machine Thread Fasteners
Coating Color Clear
System of Measurement Inch
Brand Aspen Fasteners
POS BO044-832X516-009000
Thread Length Full Thread
Diameter (Nominal) #8
Hardness Rating Rockwell C40 / Core C26-C34
Category Flange Screws
Length (Nominal) 5/16"