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): 5/16"
- Thread Pitch: 18
- Diameter (Dimension): 0.3125"
- Length (Nominal): 3/4"
- Thread Length (Nominal): 0.75"
- Across Flats (Basic): 1/2"
- Across Flats (Minimum): 0.491"
- Across Flats (Maximum): 0.5"
- Head Height, Overall: 0.32"
- Flange Diameter: 0.706"
- 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
Across Flats (Minimum) 0.491"
Order Machine Thread Fasteners
Category Flange Screws
Thread Pitch 18
Thread Direction Right-Hand Thread
Coating Zinc Plated
Across Flats (Maximum) 0.5"
Thread Length (Nominal) 0.75"
Material Steel
Brand Aspen Fasteners
Head Style Detail Locking Serrations
Product Class Externally Threaded Fasteners
POS BO044-51618X34-001400,BO044-51618X34-001250
Drive Style External Hex Drive
Thread Length Full Thread
Coating Color Clear
System of Measurement Inch
Head Height, Overall 0.32"
Flange Diameter 0.706"
Material Processes Case Hardened
Diameter (Dimension) 0.3125"
Across Flats (Basic) 1/2"
Hardness Rating Rockwell C40 / Core C26-C34
Head Style Hex Flange Head
Diameter (Nominal) 5/16"
Length (Nominal) 3/4"
Origin Origin Undefined
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