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): 7"
- Thread Length (Nominal): 1"
- 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
Head Style Hex Head
Order Machine Thread Fasteners
cad_3d_file_url https||//3d.aspenfasteners.com/assets/obj/BO016-1420X7.zip
System of Measurement Inch
Length (Nominal) 7"
Head Markings Three radial lines 120 degrees apart and manufacturer ID
Product Class Externally Threaded Fasteners
Across Flats (Basic) 7/16"
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO016-1420X7
Thread Pitch 20
Head Height, Overall (Minimum) 0.150"
Across Flats (Minimum) 0.428"
Thread Direction Right-Hand Thread
Point Chamfered Point
Diameter (Nominal) 1/4"
Diameter (Maximum) 0.250"
Category Cap Screws
Diameter (Dimension) 0.25"
Across Flats (Maximum) 0.438"
Material Grade Grade 5
Coating Zinc Plated
POS BO016-1420X7-000300
Standards and Specifications ASME B18.2.1 and SAE J429
Pitch UNC Coarse Thread
Head Height, Overall 0.1563"
Material Steel
Head Style Detail Washer Face
Drive Style External Hex Drive
Origin Made in U.S.A.
Thread Length (Nominal) 1"
Coating Color Clear
Head Height, Overall (Maximum) 0.163"
Brand Aspen Fasteners
Diameter (Minimum) 0.245"
