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): 5/8"
- Thread Length (Nominal): 0.625"
- 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: Oxidized
- Coating Color: Black
- Hardness Rating: Rockwell C40 / Core C26-C34
- Origin: Origin Undefined
Product Videos
Custom Field
Thread Length Full Thread
Origin Origin Undefined
Drive Style External Hex Drive
Diameter (Nominal) 5/16"
Flange Diameter 0.706"
Coating Color Black
Across Flats (Maximum) 0.5"
Coating Oxidized
Thread Pitch 18
Brand Aspen Fasteners
Length (Nominal) 5/8"
Product Class Externally Threaded Fasteners
Material Processes Case Hardened
Head Style Hex Flange Head
Across Flats (Minimum) 0.491"
Order Machine Thread Fasteners
Material Steel
Head Height, Overall 0.32"
Category Flange Screws
Thread Direction Right-Hand Thread
Thread Length (Nominal) 0.625"
Across Flats (Basic) 1/2"
System of Measurement Inch
Hardness Rating Rockwell C40 / Core C26-C34
POS BO029-51618X58-001500
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO029-51618X58
Head Style Detail Locking Serrations
Diameter (Dimension) 0.3125"
