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): 1-1/4"
- 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 (Maximum) 0.250"
Length (Nominal) 1-1/4"
Category Cap Screws
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO016-1420X114
Across Flats (Minimum) 0.428"
Head Height, Overall 0.1563"
Across Flats (Basic) 7/16"
Head Style Detail Washer Face
Head Height, Overall (Minimum) 0.150"
Coating Color Clear
System of Measurement Inch
Point Chamfered Point
Diameter (Nominal) 1/4"
Material Steel
Brand Aspen Fasteners
Standards and Specifications ASME B18.2.1 and SAE J429
Head Height, Overall (Maximum) 0.163"
Order Machine Thread Fasteners
Drive Style External Hex Drive
Across Flats (Maximum) 0.438"
Material Grade Grade 5
Diameter (Minimum) 0.245"
cad_3d_file_url https||//3d.aspenfasteners.com/assets/obj/BO016-1420X114.zip
POS BO016-1420X114-001900
Head Style Hex Head
Thread Pitch 20
Diameter (Dimension) 0.25"
Product Class Externally Threaded Fasteners
Head Markings Three radial lines 120 degrees apart and manufacturer ID
Origin Made in U.S.A.
Coating Zinc Plated
Thread Length (Nominal) 0.75"
Pitch UNC Coarse Thread
Thread Direction Right-Hand Thread
