Product Description
- Hex cap screws are manufactured to tighter tolerances as compared to hex bolts.
- The heads of grade 5 steel fasteners are typically marked with 3 raised radial lines.
- The washer face under the head provides a precision bearing surface.
- Grade 5 steel fasteners have a minimum tensile strength of 105,000 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): 8"
- Thread Length (Nominal): 1.625"
- 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: Three radial lines 120 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 5
- Coating: Zinc Plated
- Coating Color: Clear
- Origin: Made in U.S.A.
- Standards and Specifications: ASME B18.2.1 and SAE J429
Product Videos
Custom Field
Across Flats (Maximum) 0.812"
Diameter (Minimum) 0.5545"
Drive Style External Hex Drive
Head Height, Overall 0.3594"
Coating Zinc Plated
Coating Color Clear
Head Style Hex Head
Thread Length (Nominal) 1.625"
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO016-91612X8
Origin Made in U.S.A.
POS BO016-91612X8-000050
Head Height, Overall (Minimum) 0.348"
Diameter (Maximum) 0.5625"
cad_3d_file_url https||//3d.aspenfasteners.com/assets/obj/BO016-91612X8.zip
Head Height, Overall (Maximum) 0.371"
Thread Direction Right-Hand Thread
Across Flats (Basic) 13/16"
Diameter (Nominal) 9/16"
Point Chamfered Point
Order Machine Thread Fasteners
Length (Nominal) 8"
Diameter (Dimension) 0.5625"
Head Style Detail Washer Face
Pitch UNC Coarse Thread
Head Markings Three radial lines 120 degrees apart and manufacturer ID
Thread Pitch 12
Material Steel
System of Measurement Inch
Across Flats (Minimum) 0.798"
Category Cap Screws
Product Class Externally Threaded Fasteners
Brand Aspen Fasteners
Material Grade Grade 5
Standards and Specifications ASME B18.2.1 and SAE J429