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"
- Thread Pitch: 8
- Diameter (Dimension): 1"
- Diameter (Minimum): 0.990"
- Diameter (Maximum): 1.000"
- Length (Nominal): 8-1/2"
- 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: 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
Across Flats (Minimum) 1.469"
Diameter (Dimension) 1"
Thread Length (Nominal) 2.5"
Thread Pitch 8
Material Grade Grade 5
Head Style Hex Head
POS BO016-18X812-000018
Origin Made in U.S.A.
Brand Aspen Fasteners
Diameter (Minimum) 0.990"
Standards and Specifications ASME B18.2.1 and SAE J429
Diameter (Nominal) 1"
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO016-18X812
Pitch UNC Coarse Thread
Drive Style External Hex Drive
Category Cap Screws
Across Flats (Maximum) 1.500"
Head Style Detail Washer Face
Length (Nominal) 8-1/2"
System of Measurement Inch
Point Chamfered Point
Coating Color Clear
Product Class Externally Threaded Fasteners
Head Height, Overall (Maximum) 0.627"
Head Markings Three radial lines 120 degrees apart and manufacturer ID
Material Steel
Order Machine Thread Fasteners
Thread Direction Right-Hand Thread
Diameter (Maximum) 1.000"
Head Height, Overall (Minimum) 0.591"
Coating Zinc Plated
Across Flats (Basic) 1-1/2"
Head Height, Overall 39/64"