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): 4"
- 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
Thread Direction Right-Hand Thread
Product Class Externally Threaded Fasteners
Diameter (Dimension) 0.3125"
Category Cap Screws
Standards and Specifications ASME B18.2.1 and SAE J429
Length (Nominal) 4"
Brand Aspen Fasteners
Head Height, Overall (Maximum) 0.211"
Across Flats (Minimum) 0.489"
Drive Style External Hex Drive
cad_3d_file_url https||//3d.aspenfasteners.com/assets/obj/BO024-51618X4.zip
Across Flats (Basic) 1/2"
System of Measurement Inch
Across Flats (Maximum) 0.500"
POS BO024-51618X4-000500,BO024-51618X4-000800,BO024-51618X4-000400
Head Height, Overall (Minimum) 0.195"
Diameter (Nominal) 5/16"
Head Style Hex Head
Order Machine Thread Fasteners
Point Chamfered Point
Thread Pitch 18
Head Style Detail Washer Face
Thread Length (Nominal) 0.875"
Coating Zinc Plated
Material Steel
Head Height, Overall 0.2031"
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO024-51618X4
Material Grade Grade 2
Origin Origin Undefined
Coating Color Clear
Diameter (Minimum) 0.3065"
Diameter (Maximum) 0.3125"
