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"
- Thread Pitch: 8
- Diameter (Dimension): 1"
- Diameter (Minimum): 0.990"
- Diameter (Maximum): 1.000"
- Length (Nominal): 11"
- Thread Length (Nominal): 2.5"
- Across Flats (Basic): 1-1/2"
- Across Flats (Minimum): 1.469"
- Across Flats (Maximum): 1.500"
- Head Height, Overall: 39/64"
- Head Height, Overall (Minimum): 0.591"
- Head Height, Overall (Maximum): 0.627"
- 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
cad_3d_file_url https||//3d.aspenfasteners.com/assets/obj/BO020-18X11.zip
Thread Length (Nominal) 2.5"
System of Measurement Inch
Length (Nominal) 11"
Coating Color Yellow
Diameter (Dimension) 1"
Order Machine Thread Fasteners
Drive Style External Hex Drive
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO020-18X11
Standards and Specifications ASME B18.2.1 and SAE J429
Head Markings Six radial lines 60 degrees apart and manufacturer ID
Diameter (Minimum) 0.990"
Across Flats (Maximum) 1.500"
Head Style Detail Washer Face
Category Cap Screws
Head Height, Overall (Minimum) 0.591"
Across Flats (Basic) 1-1/2"
Thread Pitch 8
Material Steel
Product Class Externally Threaded Fasteners
Thread Direction Right-Hand Thread
Coating Zinc Plated
Head Style Hex Head
Pitch UNC Coarse Thread
Origin Made in U.S.A.
POS BO020-18X11-000015
Across Flats (Minimum) 1.469"
Diameter (Nominal) 1"
Brand Aspen Fasteners
Head Height, Overall 39/64"
Material Grade Grade 8
Diameter (Maximum) 1.000"
Head Height, Overall (Maximum) 0.627"
Point Chamfered Point