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): 7/8"
- Thread Pitch: 9
- Diameter (Dimension): 0.875"
- Diameter (Minimum): 0.866"
- Diameter (Maximum): 0.875"
- Length (Nominal): 6-1/2"
- Thread Length (Nominal): 2.25"
- Across Flats (Basic): 1-5/16"
- Across Flats (Minimum): 1.285"
- Across Flats (Maximum): 1.312"
- Head Height, Overall: 35/64"
- Head Height, Overall (Minimum): 0.531"
- Head Height, Overall (Maximum): 0.563"
- 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
Thread Direction Right-Hand Thread
Across Flats (Basic) 1-5/16"
Order Machine Thread Fasteners
Origin Made in U.S.A.
Diameter (Nominal) 7/8"
Diameter (Dimension) 0.875"
Category Cap Screws
Diameter (Maximum) 0.875"
Diameter (Minimum) 0.866"
Brand Aspen Fasteners
Product Class Externally Threaded Fasteners
Thread Pitch 9
Head Height, Overall (Maximum) 0.563"
Head Style Detail Washer Face
Across Flats (Maximum) 1.312"
POS BO020-789X612-000030
Drive Style External Hex Drive
Coating Color Yellow
Head Height, Overall 35/64"
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Material Steel
Head Height, Overall (Minimum) 0.531"
Material Grade Grade 8
Length (Nominal) 6-1/2"
Pitch UNC Coarse Thread
Coating Zinc Plated
System of Measurement Inch
Head Style Hex Head
Standards and Specifications ASME B18.2.1 and SAE J429
Head Markings Six radial lines 60 degrees apart and manufacturer ID
Thread Length (Nominal) 2.25"
cad_3d_file_url https||//3d.aspenfasteners.com/assets/obj/BO020-789X612.zip
Across Flats (Minimum) 1.285"
Point Chamfered Point
