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): 9/16"
- Thread Pitch: 12
- Diameter (Dimension): 0.5625"
- Diameter (Minimum): 0.5545"
- Diameter (Maximum): 0.5625"
- Length (Nominal): 2-1/2"
- Thread Length (Nominal): 1.375"
- Across Flats (Basic): 13/16"
- Across Flats (Minimum): 0.798"
- Across Flats (Maximum): 0.812"
- Head Height, Overall: 0.3594"
- Head Height, Overall (Minimum): 0.348"
- Head Height, Overall (Maximum): 0.371"
- 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
Coating Color Yellow
Head Height, Overall (Maximum) 0.371"
Order Machine Thread Fasteners
Diameter (Dimension) 0.5625"
Diameter (Maximum) 0.5625"
System of Measurement Inch
Length (Nominal) 2-1/2"
Head Height, Overall (Minimum) 0.348"
Standards and Specifications ASME B18.2.1 and SAE J429
Thread Length (Nominal) 1.375"
Coating Zinc Plated
Drive Style External Hex Drive
Material Steel
Thread Pitch 12
Diameter (Nominal) 9/16"
Material Grade Grade 8
Head Style Hex Head
Product Class Externally Threaded Fasteners
Across Flats (Basic) 13/16"
Point Chamfered Point
Across Flats (Maximum) 0.812"
Diameter (Minimum) 0.5545"
Pitch UNC Coarse Thread
Across Flats (Minimum) 0.798"
Thread Direction Right-Hand Thread
Head Markings Six radial lines 60 degrees apart and manufacturer ID
Head Height, Overall 0.3594"
POS BO020-91612X212-000175
Brand Aspen Fasteners
Origin Made in U.S.A.
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO020-91612X212
Head Style Detail Washer Face
cad_3d_file_url https||//3d.aspenfasteners.com/assets/obj/BO020-91612X212.zip
