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): 1/2"
- Thread Pitch: 13
- Diameter (Dimension): 0.5"
- Diameter (Minimum): 0.493"
- Diameter (Maximum): 0.500"
- Length (Nominal): 8-1/2"
- Thread Length (Nominal): 1.5"
- Across Flats (Basic): 3/4"
- Across Flats (Minimum): 0.736"
- Across Flats (Maximum): 0.750"
- Head Height, Overall: 5/16"
- Head Height, Overall (Minimum): 0.302"
- Head Height, Overall (Maximum): 0.323"
- 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
Diameter (Dimension) 0.5"
Drive Style External Hex Drive
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO020-1213X812
Across Flats (Basic) 3/4"
Thread Direction Right-Hand Thread
Head Height, Overall (Minimum) 0.302"
Head Markings Six radial lines 60 degrees apart and manufacturer ID
Standards and Specifications ASME B18.2.1 and SAE J429
Brand Aspen Fasteners
Thread Pitch 13
Material Grade Grade 8
Across Flats (Maximum) 0.750"
Coating Zinc Plated
Length (Nominal) 8-1/2"
Order Machine Thread Fasteners
Head Height, Overall (Maximum) 0.323"
POS BO020-1213X812-000080
Diameter (Minimum) 0.493"
Diameter (Maximum) 0.500"
Origin Made in U.S.A.
Head Style Detail Washer Face
System of Measurement Inch
Product Class Externally Threaded Fasteners
cad_3d_file_url https||//3d.aspenfasteners.com/assets/obj/BO020-1213X812.zip
Material Steel
Coating Color Yellow
Thread Length (Nominal) 1.5"
Point Chamfered Point
Diameter (Nominal) 1/2"
Head Style Hex Head
Pitch UNC Coarse Thread
Category Cap Screws
Across Flats (Minimum) 0.736"
Head Height, Overall 5/16"
