1/4"-20 X 1-3/4" Hex Head Cap Screws Bolts, UNC Coarse Thread, Grade 5 Steel, Zinc, Made in U.S.A.

PART NUMBER:
BO016-1420X134-001400
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  • 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.
DIMENSIONAL ATTRIBUTES
  • Diameter (Nominal): 1/4"
  • Thread Pitch: 20
  • Diameter (Dimension): 0.25"
  • Diameter (Minimum): 0.245"
  • Diameter (Maximum): 0.250"
  • Length (Nominal): 1-3/4"
  • 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"
PRODUCT ATTRIBUTES
  • 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 UPC Code:
698435013377
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System of Measurement:
Inch
Coating Color:
Clear
Pitch:
UNC Coarse Thread
Standards and Specifications:
ASME B18.2.1 and SAE J429
Drive Style:
External Hex Drive
Material Grade:
Grade 5
Head Style:
Hex Head
Head Height, Overall (Maximum):
0.163"
Origin:
Made in U.S.A.
Across Flats (Maximum):
0.438"
Head Height, Overall:
0.1563"
POS:
BO016-1420X134-001400
Coating:
Zinc Plated
Shop by Material:
Steel
Point:
Chamfered Point
Diameter (Minimum):
0.245"
Diameter (Nominal):
1/4"
specifications_document_url:
https://www.aspenfasteners.com/content/2D_PDF/product80/BO016-1420X134.PDF
Head Markings:
Three radial lines 120 degrees apart and manufacturer ID
Material:
Steel
Head Height, Overall (Minimum):
0.150"
Across Flats (Basic):
7/16"
Diameter (Dimension):
0.25"
Thread Pitch:
20
Length (Nominal):
1-3/4"
cad_3d_viewer_url:
https://3d.aspenfasteners.com/viewer/?cad_model=obj/BO016-1420X134
Order:
Machine Thread Fasteners
Head Style Detail:
Washer Face
Category:
Cap Screws
Diameter (Maximum):
0.250"
Product Class:
Externally Threaded Fasteners
Shop by System of Measurement:
Inch
Brand:
Aspen Fasteners(r)
Across Flats (Minimum):
0.428"
Thread Length (Nominal):
0.75"
Thread Direction:
Right-Hand Thread
  • 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.
    DIMENSIONAL ATTRIBUTES
    • Diameter (Nominal): 1/4"
    • Thread Pitch: 20
    • Diameter (Dimension): 0.25"
    • Diameter (Minimum): 0.245"
    • Diameter (Maximum): 0.250"
    • Length (Nominal): 1-3/4"
    • 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"
    PRODUCT ATTRIBUTES
    • 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 UPC Code:
    698435013377

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