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): 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
POS BO020-5811X4-000090
Thread Direction Right-Hand Thread
Across Flats (Basic) 15/16"
Head Height, Overall 25/64"
Diameter (Dimension) 0.625"
Head Style Hex Head
Coating Zinc Plated
Across Flats (Minimum) 0.922"
Head Markings Six radial lines 60 degrees apart and manufacturer ID
Material Steel
Diameter (Minimum) 0.617"
Product Class Externally Threaded Fasteners
Order Machine Thread Fasteners
Standards and Specifications ASME B18.2.1 and SAE J429
Coating Color Yellow
Pitch UNC Coarse Thread
Thread Pitch 11
Diameter (Maximum) 0.625"
Category Cap Screws
Length (Nominal) 4"
Head Height, Overall (Minimum) 0.378"
Drive Style External Hex Drive
Point Chamfered Point
System of Measurement Inch
Material Grade Grade 8
Head Style Detail Washer Face
Head Height, Overall (Maximum) 0.403"
Thread Length (Nominal) 1.5"
Brand Aspen Fasteners
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Origin Made in U.S.A.
Diameter (Nominal) 5/8"
Across Flats (Maximum) 0.938"
