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): #4
- Thread Pitch: 40
- Diameter (Dimension): 0.112"
- Length (Nominal): 1/2"
- Thread Length (Nominal): 0.5"
- Across Flats (Basic): 3/16"
- Across Flats (Minimum): 0.181"
- Across Flats (Maximum): 0.188"
- Head Height, Overall: 0.079"
- Flange Diameter: 0.243"
- 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
Thread Length Full Thread
Across Flats (Maximum) 0.188"
Material Steel
Material Processes Case Hardened
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO044-440X12
Diameter (Nominal) #4
POS BO044-440X12-010000
Diameter (Dimension) 0.112"
Head Height, Overall 0.079"
Order Machine Thread Fasteners
Thread Length (Nominal) 0.5"
Thread Direction Right-Hand Thread
Head Style Detail Locking Serrations
Product Class Externally Threaded Fasteners
Across Flats (Basic) 3/16"
Head Style Hex Flange Head
Thread Pitch 40
Origin Origin Undefined
Brand Aspen Fasteners
Coating Zinc Plated
Category Flange Screws
Hardness Rating Rockwell C40 / Core C26-C34
Length (Nominal) 1/2"
Drive Style External Hex Drive
Across Flats (Minimum) 0.181"
Coating Color Clear
Flange Diameter 0.243"
System of Measurement Inch
