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): 3/4"
- Thread Length (Nominal): 0.75"
- 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
Head Style Hex Flange Head
Coating Oxidized
Head Style Detail Locking Serrations
Diameter (Nominal) 5/16"
Thread Pitch 18
Drive Style External Hex Drive
Hardness Rating Rockwell C40 / Core C26-C34
Material Steel
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO029-51618X34
Thread Length (Nominal) 0.75"
Thread Direction Right-Hand Thread
Across Flats (Minimum) 0.491"
Head Height, Overall 0.32"
Across Flats (Basic) 1/2"
Material Processes Case Hardened
Category Flange Screws
POS BO029-51618X34-001250
Flange Diameter 0.706"
System of Measurement Inch
Diameter (Dimension) 0.3125"
Across Flats (Maximum) 0.5"
Brand Aspen Fasteners
Coating Color Black
Origin Origin Undefined
Product Class Externally Threaded Fasteners
Order Machine Thread Fasteners
Length (Nominal) 3/4"
Thread Length Full Thread