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): 5/16"
- Thread Pitch: 18
- Diameter (Dimension): 0.3125"
- Length (Nominal): 2"
- Thread Length (Nominal): 2"
- Across Flats (Basic): 1/2"
- Across Flats (Minimum): 0.491"
- Across Flats (Maximum): 0.5"
- Head Height, Overall: 0.32"
- Flange Diameter: 0.706"
- 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
Category Flange Screws
Coating Zinc Plated
Order Machine Thread Fasteners
Head Style Detail Locking Serrations
Diameter (Dimension) 0.3125"
Across Flats (Minimum) 0.491"
Across Flats (Maximum) 0.5"
Brand Aspen Fasteners
Thread Direction Right-Hand Thread
Material Processes Case Hardened
Thread Length (Nominal) 2"
Head Style Hex Flange Head
Origin Origin Undefined
Head Height, Overall 0.32"
POS BO044-51618X2-000750,BO044-51618X2-000700
Product Class Externally Threaded Fasteners
Diameter (Nominal) 5/16"
Thread Length Full Thread
System of Measurement Inch
Coating Color Clear
Flange Diameter 0.706"
Across Flats (Basic) 1/2"
Drive Style External Hex Drive
Material Steel
Length (Nominal) 2"
Thread Pitch 18
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO044-51618X2
Hardness Rating Rockwell C40 / Core C26-C34
