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): 2"
- 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
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO020-5811X2
Head Markings Six radial lines 60 degrees apart and manufacturer ID
Across Flats (Maximum) 0.938"
Pitch UNC Coarse Thread
Thread Length (Nominal) 1.5"
Material Steel
Coating Zinc Plated
POS BO020-5811X2-000175
Point Chamfered Point
Head Height, Overall (Minimum) 0.378"
Length (Nominal) 2"
Across Flats (Basic) 15/16"
Diameter (Dimension) 0.625"
Standards and Specifications ASME B18.2.1 and SAE J429
Category Cap Screws
Head Height, Overall 25/64"
Thread Direction Right-Hand Thread
Brand Aspen Fasteners
Order Machine Thread Fasteners
cad_3d_file_url https||//3d.aspenfasteners.com/assets/obj/BO020-5811X2.zip
Diameter (Maximum) 0.625"
Head Style Detail Washer Face
Head Height, Overall (Maximum) 0.403"
Material Grade Grade 8
System of Measurement Inch
Across Flats (Minimum) 0.922"
Origin Made in U.S.A.
Drive Style External Hex Drive
Head Style Hex Head
Diameter (Nominal) 5/8"
Product Class Externally Threaded Fasteners
Thread Pitch 11
Diameter (Minimum) 0.617"
Coating Color Yellow
