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): 3-1/2"
- Thread Length (Nominal): 2.25"
- 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
Material Grade Grade 5
Length (Nominal) 3-1/2"
Point Chamfered Point
Thread Pitch 8
Drive Style External Hex Drive
Head Height, Overall (Minimum) 0.591"
Head Height, Overall (Maximum) 0.627"
Head Style Hex Head
Head Style Detail Washer Face
cad_3d_file_url https||//3d.aspenfasteners.com/assets/obj/BO016-18X312.zip
Origin Made in U.S.A.
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO016-18X312
Across Flats (Basic) 1-1/2"
Head Markings Three radial lines 120 degrees apart and manufacturer ID
POS BO016-18X312-000035
Thread Direction Right-Hand Thread
Diameter (Minimum) 0.990"
Diameter (Maximum) 1.000"
Standards and Specifications ASME B18.2.1 and SAE J429
Pitch UNC Coarse Thread
Across Flats (Maximum) 1.500"
Order Machine Thread Fasteners
Diameter (Dimension) 1"
Coating Zinc Plated
Diameter (Nominal) 1"
Product Class Externally Threaded Fasteners
Brand Aspen Fasteners
Thread Length (Nominal) 2.25"
Across Flats (Minimum) 1.469"
Head Height, Overall 39/64"
Coating Color Clear
Material Steel
Category Cap Screws
System of Measurement Inch
