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): 3/4"
- Thread Length (Nominal): 0.75"
- 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
Order Machine Thread Fasteners
Category Flange Screws
Coating Zinc Plated
Across Flats (Minimum) 0.367"
Hardness Rating Rockwell C40 / Core C26-C34
Origin Origin Undefined
Length (Nominal) 3/4"
Drive Style External Hex Drive
Flange Diameter 0.565"
Material Processes Case Hardened
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO044-1420X34
POS BO044-1420X34-002500
Material Steel
Head Style Hex Flange Head
Thread Pitch 20
Coating Color Clear
Thread Length Full Thread
Brand Aspen Fasteners
Diameter (Nominal) 1/4"
Across Flats (Basic) 3/8"
Across Flats (Maximum) 0.375"
Head Style Detail Locking Serrations
Head Height, Overall 0.28"
Diameter (Dimension) 0.25"
System of Measurement Inch
Product Class Externally Threaded Fasteners
Thread Length (Nominal) 0.75"
Thread Direction Right-Hand Thread
