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): 2-1/4"
- 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: Oxidized
- Coating Color: Black
- Origin: Origin Undefined
- Standards and Specifications: ASME B18.2.1 and SAE J429
Product Videos
Custom Field
Across Flats (Basic) 1/2"
Product Class Externally Threaded Fasteners
Thread Pitch 18
Category Cap Screws
System of Measurement Inch
Across Flats (Minimum) 0.489"
Coating Color Black
Material Grade Grade 2
Thread Length (Nominal) 0.875"
Point Chamfered Point
Head Height, Overall (Minimum) 0.195"
Origin Origin Undefined
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO023-51618X214
Drive Style External Hex Drive
POS BO023-51618X214-001200,BO023-51618X214-000600
Diameter (Maximum) 0.3125"
Diameter (Nominal) 5/16"
Across Flats (Maximum) 0.500"
Order Machine Thread Fasteners
Head Style Detail Washer Face
Standards and Specifications ASME B18.2.1 and SAE J429
Diameter (Minimum) 0.3065"
Coating Oxidized
Head Height, Overall 0.2031"
Material Steel
Thread Direction Right-Hand Thread
cad_3d_file_url https||//3d.aspenfasteners.com/assets/obj/BO023-51618X214.zip
Head Height, Overall (Maximum) 0.211"
Brand Aspen Fasteners
Head Style Hex Head
Length (Nominal) 2-1/4"
Diameter (Dimension) 0.3125"
