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.
- The heads of grade 5 steel fasteners are typically marked with 3 raised radial lines.
- Grade 5 steel fasteners have a minimum tensile strength of 105,000 pounds per square inch.
- Diameter (Nominal): 5/8"
- Thread Pitch: 11
- Diameter (Dimension): 0.625"
- Length (Nominal): 1"
- Thread Length (Nominal): 1"
- Across Flats (Basic): 15/16"
- Across Flats (Minimum): 0.922"
- Across Flats (Maximum): 0.938"
- Head Height, Overall: 0.62"
- Flange Diameter: 1.33"
- 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 Grade: Grade 5
- Material Processes: Quenched and Tempered
- Coating: Zinc Plated
- Coating Color: Clear
- Hardness Rating: Rockwell C25-C34
- Origin: Origin Undefined
Product Videos
Custom Field
Coating Zinc Plated
Coating Color Clear
Across Flats (Basic) 15/16"
POS BO028-5811X1X1-000200
Thread Pitch 11
Thread Length Full Thread
Length (Nominal) 1"
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO028-5811X1X1
Diameter (Nominal) 5/8"
Material Grade Grade 5
Origin Origin Undefined
Material Steel
Material Processes Quenched and Tempered
Order Machine Thread Fasteners
Brand Aspen Fasteners
Thread Direction Right-Hand Thread
Flange Diameter 1.33"
Across Flats (Minimum) 0.922"
Drive Style External Hex Drive
Head Height, Overall 0.62"
Head Style Detail Locking Serrations
Category Flange Screws
Diameter (Dimension) 0.625"
Across Flats (Maximum) 0.938"
Product Class Externally Threaded Fasteners
System of Measurement Inch
Head Style Hex Flange Head
Hardness Rating Rockwell C25-C34
Thread Length (Nominal) 1"
