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): 1"
- Thread Length (Nominal): 1"
- 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
Category Cap Screws
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO020-1213X1
Diameter (Nominal) 1/2"
Diameter (Dimension) 0.5"
Coating Zinc Plated
Head Markings Six radial lines 60 degrees apart and manufacturer ID
Diameter (Maximum) 0.500"
POS BO020-1213X1-000400
Drive Style External Hex Drive
Head Style Detail Washer Face
Material Steel
Point Chamfered Point
Head Style Hex Head
Across Flats (Maximum) 0.750"
Diameter (Minimum) 0.493"
Order Machine Thread Fasteners
Pitch UNC Coarse Thread
Length (Nominal) 1"
Head Height, Overall 5/16"
Head Height, Overall (Maximum) 0.323"
Brand Aspen Fasteners
Standards and Specifications ASME B18.2.1 and SAE J429
Coating Color Yellow
Head Height, Overall (Minimum) 0.302"
Thread Length (Nominal) 1"
Origin Made in U.S.A.
Thread Pitch 13
Across Flats (Basic) 3/4"
Across Flats (Minimum) 0.736"
Material Grade Grade 8
Thread Direction Right-Hand Thread
System of Measurement Inch
cad_3d_file_url https||//3d.aspenfasteners.com/assets/obj/BO020-1213X1.zip
Product Class Externally Threaded Fasteners