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): 5/8"
- Thread Length (Nominal): 0.625"
- 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
POS BO044-1420X58-002500
Head Height, Overall 0.28"
Thread Direction Right-Hand Thread
Length (Nominal) 5/8"
Material Steel
Material Processes Case Hardened
Origin Origin Undefined
Coating Zinc Plated
Head Style Detail Locking Serrations
Thread Pitch 20
Across Flats (Maximum) 0.375"
Category Flange Screws
Order Machine Thread Fasteners
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO044-1420X58
Thread Length (Nominal) 0.625"
Diameter (Dimension) 0.25"
Across Flats (Minimum) 0.367"
Coating Color Clear
Thread Length Full Thread
Diameter (Nominal) 1/4"
System of Measurement Inch
Brand Aspen Fasteners
Flange Diameter 0.565"
Drive Style External Hex Drive
Hardness Rating Rockwell C40 / Core C26-C34
Product Class Externally Threaded Fasteners
Head Style Hex Flange Head
Across Flats (Basic) 3/8"
