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): 7/8"
- Thread Pitch: 9
- Diameter (Dimension): 0.875"
- Diameter (Minimum): 0.866"
- Diameter (Maximum): 0.875"
- Length (Nominal): 1-3/4"
- Thread Length (Nominal): 1.75"
- 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: 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
Thread Direction Right-Hand Thread
Order Machine Thread Fasteners
Material Grade Grade 5
Across Flats (Maximum) 1.312"
Coating Color Clear
Across Flats (Basic) 1-5/16"
Head Markings Three radial lines 120 degrees apart and manufacturer ID
Head Style Hex Head
Diameter (Minimum) 0.866"
Drive Style External Hex Drive
Point Chamfered Point
Brand Aspen Fasteners
Origin Made in U.S.A.
Product Class Externally Threaded Fasteners
Pitch UNC Coarse Thread
POS BO016-789X134-000080
Length (Nominal) 1-3/4"
Head Height, Overall (Minimum) 0.531"
Across Flats (Minimum) 1.285"
Diameter (Dimension) 0.875"
Standards and Specifications ASME B18.2.1 and SAE J429
Head Style Detail Washer Face
Diameter (Maximum) 0.875"
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO016-789X134
Coating Zinc Plated
Thread Pitch 9
Thread Length (Nominal) 1.75"
System of Measurement Inch
Head Height, Overall (Maximum) 0.563"
cad_3d_file_url https||//3d.aspenfasteners.com/assets/obj/BO016-789X134.zip
Material Steel
Head Height, Overall 35/64"
Category Cap Screws
Diameter (Nominal) 7/8"
