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): 5"
- Thread Length (Nominal): 5"
- 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
Thread Pitch 18
Thread Length Full Thread
Head Style Detail Locking Serrations
Origin Origin Undefined
Order Machine Thread Fasteners
System of Measurement Inch
Coating Zinc Plated
Across Flats (Basic) 1/2"
Length (Nominal) 5"
Coating Color Clear
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO044-51618X5
Drive Style External Hex Drive
Thread Length (Nominal) 5"
Material Steel
Diameter (Nominal) 5/16"
Across Flats (Minimum) 0.491"
Product Class Externally Threaded Fasteners
Diameter (Dimension) 0.3125"
Brand Aspen Fasteners
Flange Diameter 0.706"
Head Style Hex Flange Head
Hardness Rating Rockwell C40 / Core C26-C34
Material Processes Case Hardened
Across Flats (Maximum) 0.5"
Category Flange Screws
Thread Direction Right-Hand Thread
Head Height, Overall 0.32"
POS BO044-51618X5-000200
