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): 1-1/8"
- Thread Pitch: 7
- Diameter (Dimension): 1.125"
- Diameter (Minimum): 1.114"
- Diameter (Maximum): 1.125"
- Length (Nominal): 8-1/2"
- 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: 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 Length (Nominal) 2.75"
Order Machine Thread Fasteners
Coating Zinc Plated
Across Flats (Maximum) 1.688"
Diameter (Minimum) 1.114"
Across Flats (Minimum) 1.631"
Thread Direction Right-Hand Thread
Head Style Detail Washer Face
Standards and Specifications ASME B18.2.1 and SAE J429
POS BO016-1187X812-000014
Head Style Hex Head
Across Flats (Basic) 1-11/16"
Head Height, Overall (Minimum) 0.658"
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO016-1187X812
Head Height, Overall (Maximum) 0.718"
Category Cap Screws
Length (Nominal) 8-1/2"
Pitch UNC Coarse Thread
Thread Pitch 7
Material Steel
Head Height, Overall 11/16"
Coating Color Clear
Brand Aspen Fasteners
Diameter (Maximum) 1.125"
Material Grade Grade 5
Drive Style External Hex Drive
Point Chamfered Point
System of Measurement Inch
cad_3d_file_url https||//3d.aspenfasteners.com/assets/obj/BO016-1187X812.zip
Diameter (Nominal) 1-1/8"
Product Class Externally Threaded Fasteners
Origin Made in U.S.A.
Head Markings Three radial lines 120 degrees apart and manufacturer ID
Diameter (Dimension) 1.125"