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): 1-1/8"
- Thread Pitch: 7
- Diameter (Dimension): 1.125"
- Diameter (Minimum): 1.114"
- Diameter (Maximum): 1.125"
- Length (Nominal): 8"
- Thread Length (Nominal): 2.75"
- Across Flats (Basic): 1-11/16"
- Across Flats (Minimum): 1.631"
- Across Flats (Maximum): 1.688"
- Head Height, Overall: 11/16"
- Head Height, Overall (Minimum): 0.658"
- Head Height, Overall (Maximum): 0.718"
- 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
Head Style Hex Head
Thread Pitch 7
Coating Zinc Plated
Thread Length (Nominal) 2.75"
Head Style Detail Washer Face
System of Measurement Inch
Across Flats (Minimum) 1.631"
Material Steel
Thread Direction Right-Hand Thread
Diameter (Nominal) 1-1/8"
Diameter (Maximum) 1.125"
Pitch UNC Coarse Thread
Diameter (Dimension) 1.125"
Brand Aspen Fasteners
Product Class Externally Threaded Fasteners
Length (Nominal) 8"
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cad_3d_file_url https||//3d.aspenfasteners.com/assets/obj/BO020-1187X8.zip
Head Height, Overall (Minimum) 0.658"
Head Markings Six radial lines 60 degrees apart and manufacturer ID
Point Chamfered Point
Standards and Specifications ASME B18.2.1 and SAE J429
Across Flats (Basic) 1-11/16"
Across Flats (Maximum) 1.688"
Diameter (Minimum) 1.114"
Material Grade Grade 8
Head Height, Overall (Maximum) 0.718"
Coating Color Yellow
POS BO020-1187X8-000015
Category Cap Screws
Order Machine Thread Fasteners
Drive Style External Hex Drive
Origin Made in U.S.A.
Head Height, Overall 11/16"