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): 1/4"
- Thread Pitch: 20
- Diameter (Dimension): 0.25"
- Diameter (Minimum): 0.245"
- Diameter (Maximum): 0.250"
- Length (Nominal): 2"
- Thread Length (Nominal): 0.75"
- Across Flats (Basic): 7/16"
- Across Flats (Minimum): 0.428"
- Across Flats (Maximum): 0.438"
- Head Height, Overall: 0.1563"
- Head Height, Overall (Minimum): 0.150"
- Head Height, Overall (Maximum): 0.163"
- 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 (Dimension) 0.25"
Diameter (Nominal) 1/4"
Thread Direction Right-Hand Thread
Order Machine Thread Fasteners
Head Height, Overall (Maximum) 0.163"
Head Markings Three radial lines 120 degrees apart and manufacturer ID
Head Height, Overall (Minimum) 0.150"
Material Steel
Across Flats (Minimum) 0.428"
Across Flats (Maximum) 0.438"
Length (Nominal) 2"
cad_3d_file_url https||//3d.aspenfasteners.com/assets/obj/BO016-1420X2.zip
Origin Made in U.S.A.
Coating Zinc Plated
Diameter (Maximum) 0.250"
Across Flats (Basic) 7/16"
Drive Style External Hex Drive
Diameter (Minimum) 0.245"
Point Chamfered Point
Head Style Detail Washer Face
Head Style Hex Head
Standards and Specifications ASME B18.2.1 and SAE J429
Head Height, Overall 0.1563"
Pitch UNC Coarse Thread
Category Cap Screws
POS BO016-1420X2-001200
Material Grade Grade 5
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO016-1420X2
System of Measurement Inch
Product Class Externally Threaded Fasteners
Coating Color Clear
Thread Pitch 20
Thread Length (Nominal) 0.75"
Brand Aspen Fasteners
