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): 2-3/4"
- 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
Head Style Detail Washer Face
Length (Nominal) 2-3/4"
Material Grade Grade 8
Diameter (Maximum) 0.625"
Category Cap Screws
Point Chamfered Point
Across Flats (Maximum) 0.938"
Diameter (Dimension) 0.625"
Coating Color Yellow
Standards and Specifications ASME B18.2.1 and SAE J429
Head Style Hex Head
Coating Zinc Plated
Origin Made in U.S.A.
Diameter (Nominal) 5/8"
Head Markings Six radial lines 60 degrees apart and manufacturer ID
Material Steel
Head Height, Overall 25/64"
Brand Aspen Fasteners
Head Height, Overall (Minimum) 0.378"
Across Flats (Basic) 15/16"
Order Machine Thread Fasteners
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Thread Length (Nominal) 1.5"
Pitch UNC Coarse Thread
Drive Style External Hex Drive
Thread Pitch 11
Diameter (Minimum) 0.617"
POS BO020-5811X234-000125
System of Measurement Inch
Head Height, Overall (Maximum) 0.403"
Product Class Externally Threaded Fasteners
Across Flats (Minimum) 0.922"
Thread Direction Right-Hand Thread