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): 3"
- Thread Length (Nominal): 1.125"
- 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
Head Style Detail Washer Face
Length (Nominal) 3"
Category Cap Screws
Order Machine Thread Fasteners
Thread Pitch 14
Origin Made in U.S.A.
Point Chamfered Point
Diameter (Minimum) 0.4305"
Head Markings Six radial lines 60 degrees apart and manufacturer ID
System of Measurement Inch
Across Flats (Minimum) 0.612"
Head Style Hex Head
POS BO020-71614X3-000275
Head Height, Overall (Maximum) 0.291"
Pitch UNC Coarse Thread
Thread Length (Nominal) 1.125"
Coating Zinc Plated
Brand Aspen Fasteners
Coating Color Yellow
Across Flats (Basic) 5/8"
Material Grade Grade 8
Material Steel
Drive Style External Hex Drive
Standards and Specifications ASME B18.2.1 and SAE J429
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO020-71614X3
Thread Direction Right-Hand Thread
Diameter (Nominal) 7/16"
Head Height, Overall (Minimum) 0.272"
Head Height, Overall 0.2813"
Product Class Externally Threaded Fasteners
Across Flats (Maximum) 0.625"
cad_3d_file_url https||//3d.aspenfasteners.com/assets/obj/BO020-71614X3.zip
Diameter (Maximum) 0.4375"
Diameter (Dimension) 0.4375"
