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): 1-3/4"
- Thread Length (Nominal): 1.75"
- 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
Material Steel
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO044-1420X134
Flange Diameter 0.565"
Diameter (Dimension) 0.25"
Head Height, Overall 0.28"
Category Flange Screws
Head Style Hex Flange Head
Thread Length Full Thread
Thread Length (Nominal) 1.75"
Order Machine Thread Fasteners
Across Flats (Maximum) 0.375"
Coating Color Clear
Head Style Detail Locking Serrations
Drive Style External Hex Drive
Coating Zinc Plated
Product Class Externally Threaded Fasteners
Across Flats (Basic) 3/8"
Length (Nominal) 1-3/4"
Brand Aspen Fasteners
Material Processes Case Hardened
Across Flats (Minimum) 0.367"
Hardness Rating Rockwell C40 / Core C26-C34
System of Measurement Inch
POS BO044-1420X134-001200,BO044-1420X134-001250
Diameter (Nominal) 1/4"
Origin Origin Undefined
Thread Pitch 20
Thread Direction Right-Hand Thread
