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): 5/16"
- Thread Pitch: 18
- Diameter (Dimension): 0.3125"
- Diameter (Minimum): 0.3065"
- Diameter (Maximum): 0.3125"
- Length (Nominal): 2"
- 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
- 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
Diameter (Maximum) 0.3125"
Material Grade Grade 5
Standards and Specifications ASME B18.2.1 and SAE J429
Head Height, Overall 0.2031"
System of Measurement Inch
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO016-51618X2
Material Steel
Diameter (Minimum) 0.3065"
Point Chamfered Point
Head Style Detail Washer Face
Diameter (Dimension) 0.3125"
Category Cap Screws
Product Class Externally Threaded Fasteners
Diameter (Nominal) 5/16"
Across Flats (Minimum) 0.489"
Across Flats (Basic) 1/2"
POS BO016-51618X2-000800
Thread Length (Nominal) 0.875"
Pitch UNC Coarse Thread
Origin Made in U.S.A.
Thread Pitch 18
Coating Color Clear
Head Height, Overall (Maximum) 0.211"
Head Style Hex Head
Length (Nominal) 2"
Drive Style External Hex Drive
Coating Zinc Plated
Order Machine Thread Fasteners
Thread Direction Right-Hand Thread
Head Height, Overall (Minimum) 0.195"
Across Flats (Maximum) 0.500"
Head Markings Three radial lines 120 degrees apart and manufacturer ID
cad_3d_file_url https||//3d.aspenfasteners.com/assets/obj/BO016-51618X2.zip
Brand Aspen Fasteners
