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): 5-1/4"
- Thread Length (Nominal): 1.5"
- 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 Length (Nominal) 1.5"
Head Style Hex Head
Drive Style External Hex Drive
Length (Nominal) 5-1/4"
Material Grade Grade 8
Diameter (Minimum) 0.617"
Diameter (Nominal) 5/8"
Across Flats (Minimum) 0.922"
Standards and Specifications ASME B18.2.1 and SAE J429
Coating Zinc Plated
Across Flats (Maximum) 0.938"
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO020-5811X514
Thread Direction Right-Hand Thread
Category Cap Screws
Pitch UNC Coarse Thread
cad_3d_file_url https||//3d.aspenfasteners.com/assets/obj/BO020-5811X514.zip
POS BO020-5811X514-000075
Head Markings Six radial lines 60 degrees apart and manufacturer ID
Material Steel
Coating Color Yellow
Head Height, Overall (Maximum) 0.403"
Origin Made in U.S.A.
Order Machine Thread Fasteners
Head Height, Overall (Minimum) 0.378"
Head Height, Overall 25/64"
Thread Pitch 11
Product Class Externally Threaded Fasteners
Brand Aspen Fasteners
Point Chamfered Point
Head Style Detail Washer Face
Diameter (Maximum) 0.625"
Diameter (Dimension) 0.625"
Across Flats (Basic) 15/16"
System of Measurement Inch
