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): 1"
- Thread Length (Nominal): 1"
- 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 (Nominal) 1"
Thread Length Full Thread
Diameter (Nominal) 5/16"
Origin Origin Undefined
Head Style Hex Flange Head
Material Steel
Coating Oxidized
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO029-51618X1
Across Flats (Minimum) 0.491"
Order Machine Thread Fasteners
Thread Pitch 18
Flange Diameter 0.706"
Length (Nominal) 1"
Across Flats (Basic) 1/2"
Thread Direction Right-Hand Thread
Coating Color Black
Head Style Detail Locking Serrations
Hardness Rating Rockwell C40 / Core C26-C34
Across Flats (Maximum) 0.5"
Drive Style External Hex Drive
Brand Aspen Fasteners
Head Height, Overall 0.32"
Material Processes Case Hardened
System of Measurement Inch
Diameter (Dimension) 0.3125"
Category Flange Screws
POS BO029-51618X1-001000
Product Class Externally Threaded Fasteners