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): 1"
- Thread Length (Nominal): 1"
- 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
Brand Aspen Fasteners
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO020-5811X1
Across Flats (Minimum) 0.922"
Coating Color Yellow
Head Markings Six radial lines 60 degrees apart and manufacturer ID
Origin Made in U.S.A.
Material Grade Grade 8
Length (Nominal) 1"
Category Cap Screws
Point Chamfered Point
Head Style Detail Washer Face
Head Height, Overall (Minimum) 0.378"
POS BO020-5811X1-000250
Head Height, Overall 25/64"
Order Machine Thread Fasteners
Across Flats (Maximum) 0.938"
Across Flats (Basic) 15/16"
cad_3d_file_url https||//3d.aspenfasteners.com/assets/obj/BO020-5811X1.zip
System of Measurement Inch
Diameter (Minimum) 0.617"
Material Steel
Diameter (Nominal) 5/8"
Standards and Specifications ASME B18.2.1 and SAE J429
Drive Style External Hex Drive
Head Height, Overall (Maximum) 0.403"
Diameter (Maximum) 0.625"
Thread Pitch 11
Coating Zinc Plated
Product Class Externally Threaded Fasteners
Head Style Hex Head
Thread Length (Nominal) 1"
Thread Direction Right-Hand Thread
Diameter (Dimension) 0.625"
Pitch UNC Coarse Thread
