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): 9/16"
- Thread Length (Nominal): 0.5625"
- 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
Flange Diameter 0.565"
Drive Style External Hex Drive
Origin Origin Undefined
Category Flange Screws
Head Style Hex Flange Head
Material Processes Case Hardened
Thread Length (Nominal) 0.5625"
Hardness Rating Rockwell C40 / Core C26-C34
Brand Aspen Fasteners
Head Style Detail Locking Serrations
System of Measurement Inch
Across Flats (Maximum) 0.375"
POS BO044-1420X916-003000
Coating Zinc Plated
Diameter (Dimension) 0.25"
Thread Direction Right-Hand Thread
Length (Nominal) 9/16"
Order Machine Thread Fasteners
Thread Pitch 20
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO044-1420X916
Thread Length Full Thread
Diameter (Nominal) 1/4"
Coating Color Clear
Across Flats (Basic) 3/8"
Product Class Externally Threaded Fasteners
Head Height, Overall 0.28"
Across Flats (Minimum) 0.367"
