Product Description
- Hex cap screws are manufactured to tighter tolerances as compared to hex bolts.
- Grade 2 steel is a standard "industrial spec" low carbon grade of steel.
- The washer face under the head provides a precision bearing surface.
- Grade 2 steel fasteners have a minimum tensile strength of 60,000 pounds per square inch.
- The chamfered point improves engagement with a nut or pre-tapped hole.
- Diameter (Nominal): 5/16"
- Thread Pitch: 18
- Diameter (Dimension): 0.3125"
- Diameter (Minimum): 0.3065"
- Diameter (Maximum): 0.3125"
- Length (Nominal): 7/8"
- Thread Length (Nominal): 0.875"
- Across Flats (Basic): 1/2"
- Across Flats (Minimum): 0.489"
- Across Flats (Maximum): 0.500"
- Head Height, Overall: 0.2031"
- Head Height, Overall (Minimum): 0.195"
- Head Height, Overall (Maximum): 0.211"
- Category: Cap Screws
- System of Measurement: Inch
- Brand: Aspen Fasteners
- Head Style: Hex Head
- Head Style Detail: Washer Face
- Drive Style: External Hex Drive
- Thread Direction: Right-Hand Thread
- Point: Chamfered Point
- Material: Steel
- Material Grade: Grade 2
- Coating: Zinc Plated
- Coating Color: Clear
- Origin: Origin Undefined
- Standards and Specifications: ASME B18.2.1 and SAE J429
Product Videos
Custom Field
Diameter (Maximum) 0.3125"
Coating Zinc Plated
Diameter (Dimension) 0.3125"
Diameter (Nominal) 5/16"
Across Flats (Basic) 1/2"
Head Height, Overall (Maximum) 0.211"
Material Steel
Head Style Detail Washer Face
Head Height, Overall (Minimum) 0.195"
Thread Direction Right-Hand Thread
System of Measurement Inch
Across Flats (Maximum) 0.500"
Origin Origin Undefined
Length (Nominal) 7/8"
Order Machine Thread Fasteners
Diameter (Minimum) 0.3065"
Head Height, Overall 0.2031"
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO024-51618X78
Thread Pitch 18
Brand Aspen Fasteners
Standards and Specifications ASME B18.2.1 and SAE J429
Category Cap Screws
Point Chamfered Point
Head Style Hex Head
Thread Length (Nominal) 0.875"
Product Class Externally Threaded Fasteners
Drive Style External Hex Drive
Coating Color Clear
cad_3d_file_url https||//3d.aspenfasteners.com/assets/obj/BO024-51618X78.zip
Material Grade Grade 2
POS BO024-51618X78-001800,BO024-51618X78-001500
Across Flats (Minimum) 0.489"
