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): 1-1/2"
- Thread Length (Nominal): 1.5"
- 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
Head Markings Six radial lines 60 degrees apart and manufacturer ID
Order Machine Thread Fasteners
Head Style Detail Washer Face
Product Class Externally Threaded Fasteners
System of Measurement Inch
Thread Length (Nominal) 1.5"
Diameter (Maximum) 1.000"
Diameter (Minimum) 0.990"
cad_3d_file_url https||//3d.aspenfasteners.com/assets/obj/BO020-18X112.zip
Pitch UNC Coarse Thread
Thread Pitch 8
Standards and Specifications ASME B18.2.1 and SAE J429
Drive Style External Hex Drive
Head Height, Overall (Minimum) 0.591"
Length (Nominal) 1-1/2"
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO020-18X112
Category Cap Screws
Head Height, Overall 39/64"
Thread Direction Right-Hand Thread
Diameter (Dimension) 1"
Across Flats (Basic) 1-1/2"
Head Style Hex Head
Across Flats (Maximum) 1.500"
Head Height, Overall (Maximum) 0.627"
Across Flats (Minimum) 1.469"
Coating Color Yellow
POS BO020-18X112-000055
Coating Zinc Plated
Material Grade Grade 8
Brand Aspen Fasteners
Diameter (Nominal) 1"
Point Chamfered Point
Origin Made in U.S.A.
Material Steel
