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): 7"
- 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
Origin Made in U.S.A.
Head Markings Six radial lines 60 degrees apart and manufacturer ID
Drive Style External Hex Drive
Coating Color Yellow
Thread Pitch 9
Product Class Externally Threaded Fasteners
System of Measurement Inch
Across Flats (Minimum) 1.285"
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO020-789X7
Head Style Hex Head
Head Height, Overall (Minimum) 0.531"
Coating Zinc Plated
Point Chamfered Point
Standards and Specifications ASME B18.2.1 and SAE J429
Head Height, Overall (Maximum) 0.563"
Head Height, Overall 35/64"
Diameter (Nominal) 7/8"
Diameter (Minimum) 0.866"
Material Grade Grade 8
POS BO020-789X7-000025
Thread Length (Nominal) 2.25"
Pitch UNC Coarse Thread
Material Steel
Head Style Detail Washer Face
Diameter (Maximum) 0.875"
Diameter (Dimension) 0.875"
Across Flats (Maximum) 1.312"
Brand Aspen Fasteners
Length (Nominal) 7"
Category Cap Screws
Order Machine Thread Fasteners
cad_3d_file_url https||//3d.aspenfasteners.com/assets/obj/BO020-789X7.zip
Across Flats (Basic) 1-5/16"
Thread Direction Right-Hand Thread
