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): 3"
- Thread Length (Nominal): 2"
- 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
Brand Aspen Fasteners
Diameter (Minimum) 0.866"
Drive Style External Hex Drive
Material Grade Grade 8
Standards and Specifications ASME B18.2.1 and SAE J429
Origin Made in U.S.A.
Coating Color Yellow
Diameter (Dimension) 0.875"
Thread Length (Nominal) 2"
Across Flats (Maximum) 1.312"
Order Machine Thread Fasteners
cad_3d_file_url https||//3d.aspenfasteners.com/assets/obj/BO020-789X3.zip
Across Flats (Basic) 1-5/16"
System of Measurement Inch
Thread Direction Right-Hand Thread
Head Height, Overall (Minimum) 0.531"
Length (Nominal) 3"
POS BO020-789X3-000055
Head Style Detail Washer Face
Point Chamfered Point
Head Height, Overall (Maximum) 0.563"
Category Cap Screws
Diameter (Maximum) 0.875"
Diameter (Nominal) 7/8"
Coating Zinc Plated
Head Height, Overall 35/64"
Head Style Hex Head
Thread Pitch 9
Material Steel
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO020-789X3
Head Markings Six radial lines 60 degrees apart and manufacturer ID
Across Flats (Minimum) 1.285"
Product Class Externally Threaded Fasteners
Pitch UNC Coarse Thread
