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): 7/16"
- Thread Pitch: 14
- Diameter (Dimension): 0.4375"
- Diameter (Minimum): 0.4305"
- Diameter (Maximum): 0.4375"
- Length (Nominal): 7/8"
- Thread Length (Nominal): 0.875"
- Across Flats (Basic): 5/8"
- Across Flats (Minimum): 0.612"
- Across Flats (Maximum): 0.625"
- Head Height, Overall: 0.2813"
- Head Height, Overall (Minimum): 0.272"
- Head Height, Overall (Maximum): 0.291"
- 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
Origin Made in U.S.A.
Material Steel
Point Chamfered Point
Pitch UNC Coarse Thread
Diameter (Dimension) 0.4375"
POS BO020-71614X78-000700
Across Flats (Basic) 5/8"
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO020-71614X78
Head Height, Overall 0.2813"
Coating Color Yellow
Diameter (Maximum) 0.4375"
Drive Style External Hex Drive
Coating Zinc Plated
Head Markings Six radial lines 60 degrees apart and manufacturer ID
Across Flats (Maximum) 0.625"
Head Height, Overall (Minimum) 0.272"
Standards and Specifications ASME B18.2.1 and SAE J429
Diameter (Nominal) 7/16"
cad_3d_file_url https||//3d.aspenfasteners.com/assets/obj/BO020-71614X78.zip
Head Style Detail Washer Face
Thread Direction Right-Hand Thread
Across Flats (Minimum) 0.612"
Category Cap Screws
Thread Pitch 14
Order Machine Thread Fasteners
Thread Length (Nominal) 0.875"
Length (Nominal) 7/8"
Diameter (Minimum) 0.4305"
Product Class Externally Threaded Fasteners
Head Style Hex Head
Material Grade Grade 8
System of Measurement Inch
Brand Aspen Fasteners
Head Height, Overall (Maximum) 0.291"
