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): 1/4"
- Thread Pitch: 20
- Diameter (Dimension): 0.25"
- Length (Nominal): 1-1/8"
- Thread Length (Nominal): 1.125"
- Across Flats (Basic): 3/8"
- Across Flats (Minimum): 0.367"
- Across Flats (Maximum): 0.375"
- Head Height, Overall: 0.28"
- Flange Diameter: 0.565"
- 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
Length (Nominal) 1-1/8"
Brand Aspen Fasteners
Head Style Detail Locking Serrations
Hardness Rating Rockwell C40 / Core C26-C34
Product Class Externally Threaded Fasteners
System of Measurement Inch
POS BO044-1420X118-001500
Across Flats (Basic) 3/8"
Diameter (Nominal) 1/4"
Coating Color Clear
Flange Diameter 0.565"
Across Flats (Minimum) 0.367"
Order Machine Thread Fasteners
Thread Pitch 20
Diameter (Dimension) 0.25"
Across Flats (Maximum) 0.375"
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO044-1420X118
Thread Direction Right-Hand Thread
Drive Style External Hex Drive
Thread Length Full Thread
Head Style Hex Flange Head
Origin Origin Undefined
Category Flange Screws
Material Steel
Material Processes Case Hardened
Thread Length (Nominal) 1.125"
Coating Zinc Plated
Head Height, Overall 0.28"