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): 1"
- 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: Oxidized
- Coating Color: Black
- Origin: Origin Undefined
- Standards and Specifications: ASME B18.2.1 and SAE J429
Product Videos
Custom Field
Diameter (Nominal) 5/16"
Brand Aspen Fasteners
Thread Pitch 18
Across Flats (Maximum) 0.500"
Thread Length (Nominal) 0.875"
Origin Origin Undefined
Product Class Externally Threaded Fasteners
Order Machine Thread Fasteners
Diameter (Maximum) 0.3125"
POS BO023-51618X1-001400
Thread Direction Right-Hand Thread
Head Style Detail Washer Face
Diameter (Minimum) 0.3065"
Diameter (Dimension) 0.3125"
Head Height, Overall (Maximum) 0.211"
Head Style Hex Head
Length (Nominal) 1"
Across Flats (Basic) 1/2"
Across Flats (Minimum) 0.489"
Head Height, Overall (Minimum) 0.195"
System of Measurement Inch
Point Chamfered Point
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO023-51618X1
Coating Color Black
Head Height, Overall 0.2031"
Coating Oxidized
cad_3d_file_url https||//3d.aspenfasteners.com/assets/obj/BO023-51618X1.zip
Standards and Specifications ASME B18.2.1 and SAE J429
Material Grade Grade 2
Category Cap Screws
Material Steel
Drive Style External Hex Drive