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): 3"
- Thread Length (Nominal): 3"
- 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
Thread Direction Right-Hand Thread
Thread Pitch 20
Across Flats (Maximum) 0.375"
Brand Aspen Fasteners
System of Measurement Inch
Head Height, Overall 0.28"
Material Processes Case Hardened
Origin Origin Undefined
Product Class Externally Threaded Fasteners
Across Flats (Minimum) 0.367"
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO044-1420X3
Length (Nominal) 3"
Order Machine Thread Fasteners
Diameter (Dimension) 0.25"
Head Style Hex Flange Head
Material Steel
Category Flange Screws
POS BO044-1420X3-000600
Diameter (Nominal) 1/4"
Head Style Detail Locking Serrations
Across Flats (Basic) 3/8"
Drive Style External Hex Drive
Thread Length Full Thread
Hardness Rating Rockwell C40 / Core C26-C34
Coating Color Clear
Thread Length (Nominal) 3"
Coating Zinc Plated
Flange Diameter 0.565"
