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: Oxidized
- Coating Color: Black
- Hardness Rating: Rockwell C40 / Core C26-C34
- Origin: Origin Undefined
Product Videos
Custom Field
Thread Length (Nominal) 0.625"
Hardness Rating Rockwell C40 / Core C26-C34
Coating Color Black
Across Flats (Minimum) 0.367"
Diameter (Nominal) 1/4"
Product Class Externally Threaded Fasteners
Brand Aspen Fasteners
Material Steel
Origin Origin Undefined
Across Flats (Basic) 3/8"
POS BO029-1420X58-002500
Material Processes Case Hardened
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO029-1420X58
Coating Oxidized
Head Height, Overall 0.28"
Head Style Hex Flange Head
Thread Pitch 20
Category Flange Screws
Diameter (Dimension) 0.25"
Length (Nominal) 5/8"
Thread Direction Right-Hand Thread
Head Style Detail Locking Serrations
Flange Diameter 0.565"
Order Machine Thread Fasteners
Thread Length Full Thread
Drive Style External Hex Drive
System of Measurement Inch
Across Flats (Maximum) 0.375"
