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): 1/2"
- Thread Pitch: 13
- Diameter (Dimension): 0.5"
- Length (Nominal): 1"
- Thread Length (Nominal): 1"
- Across Flats (Basic): 3/4"
- Across Flats (Minimum): 0.736"
- Across Flats (Maximum): 0.75"
- Head Height, Overall: 0.51"
- Flange Diameter: 1.07"
- 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 Length (Nominal) 1"
Across Flats (Maximum) 0.75"
Diameter (Nominal) 1/2"
Head Height, Overall 0.51"
Hardness Rating Rockwell C40 / Core C26-C34
Order Machine Thread Fasteners
System of Measurement Inch
Coating Zinc Plated
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO044-1213X1
Category Flange Screws
Head Style Hex Flange Head
POS BO044-1213X1-000400,BO044-1213X1-000350
Thread Direction Right-Hand Thread
Across Flats (Minimum) 0.736"
Diameter (Dimension) 0.5"
Origin Origin Undefined
Product Class Externally Threaded Fasteners
Head Style Detail Locking Serrations
Thread Pitch 13
Flange Diameter 1.07"
Drive Style External Hex Drive
Material Processes Case Hardened
Across Flats (Basic) 3/4"
Length (Nominal) 1"
Material Steel
Brand Aspen Fasteners
Thread Length Full Thread
Coating Color Clear