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): 2-1/2"
- Thread Length (Nominal): 1.25"
- 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
Across Flats (Minimum) 0.736"
Head Height, Overall 5/16"
Diameter (Maximum) 0.500"
Coating Zinc Plated
Diameter (Minimum) 0.493"
cad_3d_file_url https||//3d.aspenfasteners.com/assets/obj/BO020-1213X212.zip
Length (Nominal) 2-1/2"
Point Chamfered Point
Thread Pitch 13
Brand Aspen Fasteners
Head Height, Overall (Maximum) 0.323"
Diameter (Dimension) 0.5"
Head Style Hex Head
Pitch UNC Coarse Thread
Head Markings Six radial lines 60 degrees apart and manufacturer ID
Material Steel
Order Machine Thread Fasteners
Head Height, Overall (Minimum) 0.302"
Across Flats (Maximum) 0.750"
Drive Style External Hex Drive
Category Cap Screws
Coating Color Yellow
POS BO020-1213X212-000225
Product Class Externally Threaded Fasteners
Material Grade Grade 8
Thread Length (Nominal) 1.25"
System of Measurement Inch
Standards and Specifications ASME B18.2.1 and SAE J429
Thread Direction Right-Hand Thread
Diameter (Nominal) 1/2"
Across Flats (Basic) 3/4"
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO020-1213X212
Origin Made in U.S.A.
Head Style Detail Washer Face
