Product Description
- Hex cap screws are manufactured to tighter tolerances as compared to hex bolts.
- The heads of grade 8 steel fasteners are typically marked with 6 raised radial lines.
- The washer face under the head provides a precision bearing surface.
- Grade 8 steel fasteners have a minimum tensile strength of 150,000 pounds per square inch.
- The chamfered point improves engagement with a nut or pre-tapped hole.
- Diameter (Nominal): 5/8"
- Thread Pitch: 11
- Diameter (Dimension): 0.625"
- Diameter (Minimum): 0.617"
- Diameter (Maximum): 0.625"
- Length (Nominal): 8"
- Thread Length (Nominal): 1.75"
- Across Flats (Basic): 15/16"
- Across Flats (Minimum): 0.922"
- Across Flats (Maximum): 0.938"
- Head Height, Overall: 25/64"
- Head Height, Overall (Minimum): 0.378"
- Head Height, Overall (Maximum): 0.403"
- Category: Cap Screws
- System of Measurement: Inch
- Brand: Aspen Fasteners
- Head Style: Hex Head
- Head Style Detail: Washer Face
- Head Markings: Six radial lines 60 degrees apart and manufacturer ID
- Drive Style: External Hex Drive
- Pitch: UNC Coarse Thread
- Thread Direction: Right-Hand Thread
- Point: Chamfered Point
- Material: Steel
- Material Grade: Grade 8
- Coating: Zinc Plated
- Coating Color: Yellow
- Origin: Made in U.S.A.
- Standards and Specifications: ASME B18.2.1 and SAE J429
Product Videos
Custom Field
Thread Direction Right-Hand Thread
Coating Color Yellow
Across Flats (Minimum) 0.922"
Thread Length (Nominal) 1.75"
Thread Pitch 11
Pitch UNC Coarse Thread
Head Style Detail Washer Face
Material Grade Grade 8
Across Flats (Basic) 15/16"
Head Markings Six radial lines 60 degrees apart and manufacturer ID
Diameter (Dimension) 0.625"
Origin Made in U.S.A.
Category Cap Screws
Material Steel
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO020-5811X8
Standards and Specifications ASME B18.2.1 and SAE J429
Diameter (Minimum) 0.617"
Diameter (Maximum) 0.625"
Point Chamfered Point
Across Flats (Maximum) 0.938"
Brand Aspen Fasteners
Length (Nominal) 8"
Head Height, Overall (Maximum) 0.403"
Head Height, Overall 25/64"
cad_3d_file_url https||//3d.aspenfasteners.com/assets/obj/BO020-5811X8.zip
System of Measurement Inch
Diameter (Nominal) 5/8"
Drive Style External Hex Drive
Product Class Externally Threaded Fasteners
POS BO020-5811X8-000050
Head Height, Overall (Minimum) 0.378"
Coating Zinc Plated
Head Style Hex Head
Order Machine Thread Fasteners
