1/4"-20 X 7/8" Hex Socket Head Cap Screws, Alloy Steel, Plain

PART NUMBER:
SO037-1420X78-002500
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  • Socket cap screws are precision fasteners often used in machine parts, die fixturing and clamping.
  • A cylindrically shaped socket head cap screw is considered the strongest of all head styles.
  • An internal hex socket drive is also known as an Allen drive.
  • Alloy steel fasteners are significantly stronger than standard low carbon steel fasteners.
DIMENSIONAL ATTRIBUTES
  • Diameter (Nominal): 1/4"
  • Thread Pitch: 20
  • Diameter (Dimension): 0.25"
  • Diameter (Minimum): 0.2435"
  • Diameter (Maximum): 0.25"
  • Length (Nominal): 7/8"
  • Thread Length (Nominal): 0.875"
  • Drive Recess Size: 3/16"
  • Drive Recess Width: 0.188"
  • Drive Recess Depth: 0.12"
  • Head Diameter: 0.375"
  • Head Diameter (Minimum): 0.354"
  • Head Diameter (Maximum): 0.375"
  • Head Height, Overall: 0.25"
  • Head Height, Overall (Minimum): 0.244"
  • Head Height, Overall (Maximum): 0.25"
PRODUCT ATTRIBUTES
  • Category: Socket Head Cap Screws
  • System of Measurement: Inch
  • Brand: Aspen Fasteners
  • Head Style: Cylindrical Head
  • Drive Style: Hex Socket Drive
  • Threading: Thread Class 3A
  • Thread Direction: Right-Hand Thread
  • Material: Steel
  • Material Grade: Alloy Steel
  • Material Processes: Heat Treated
  • Coating: Uncoated
  • Origin: Origin Undefined
  • Standards and Specifications: ASME/ANSI B18.3-2002 and ASTM A574
Product UPC Code:
698435508170
Shop by System of Measurement:
Inch
Diameter (Nominal):
1/4"
Thread Pitch:
20
Threading:
Thread Class 3A
Standards and Specifications:
ASME/ANSI B18.3-2002 and ASTM A574
Drive Style:
Hex Socket Drive
Shop by Material:
Steel
Shop by Application:
Socket Products
Category:
Socket Head Cap Screws
System of Measurement:
Inch
Material Processes:
Heat Treated
Order:
Machine Thread Fasteners
Material:
Steel
Product Class:
Externally Threaded Fasteners
Head Style:
Cylindrical Head
Length (Nominal):
7/8"
Brand:
Aspen Fasteners
Thread Direction:
Right-Hand Thread
Coating:
Uncoated
Material Grade:
Alloy Steel
POS:
SO037-1420X78-002500
Head Height, Overall (Minimum):
0.244"
Drive Recess Size:
3/16"
Diameter (Dimension):
0.25"
Diameter (Minimum):
0.2435"
cad_3d_file_url:
https://3d.aspenfasteners.com/assets/obj/SO037-1420X78.zip
cad_3d_viewer_url:
https://3d.aspenfasteners.com/viewer/?cad_model=obj/SO037-1420X78
specifications_document_url:
https://www.aspenfasteners.com/content/2D_PDF/product71/SO037-1420X78.PDF
Thread Length (Nominal):
0.875"
Drive Recess Width:
0.188"
Origin:
Origin Undefined
Head Diameter (Minimum):
0.354"
Head Height, Overall (Maximum):
0.25"
Head Height, Overall:
0.25"
Drive Recess Depth:
0.12"
Head Diameter:
0.375"
Diameter (Maximum):
0.25"
Head Diameter (Maximum):
0.375"
  • Description
    • Socket cap screws are precision fasteners often used in machine parts, die fixturing and clamping.
    • A cylindrically shaped socket head cap screw is considered the strongest of all head styles.
    • An internal hex socket drive is also known as an Allen drive.
    • Alloy steel fasteners are significantly stronger than standard low carbon steel fasteners.
    DIMENSIONAL ATTRIBUTES
    • Diameter (Nominal): 1/4"
    • Thread Pitch: 20
    • Diameter (Dimension): 0.25"
    • Diameter (Minimum): 0.2435"
    • Diameter (Maximum): 0.25"
    • Length (Nominal): 7/8"
    • Thread Length (Nominal): 0.875"
    • Drive Recess Size: 3/16"
    • Drive Recess Width: 0.188"
    • Drive Recess Depth: 0.12"
    • Head Diameter: 0.375"
    • Head Diameter (Minimum): 0.354"
    • Head Diameter (Maximum): 0.375"
    • Head Height, Overall: 0.25"
    • Head Height, Overall (Minimum): 0.244"
    • Head Height, Overall (Maximum): 0.25"
    PRODUCT ATTRIBUTES
    • Category: Socket Head Cap Screws
    • System of Measurement: Inch
    • Brand: Aspen Fasteners
    • Head Style: Cylindrical Head
    • Drive Style: Hex Socket Drive
    • Threading: Thread Class 3A
    • Thread Direction: Right-Hand Thread
    • Material: Steel
    • Material Grade: Alloy Steel
    • Material Processes: Heat Treated
    • Coating: Uncoated
    • Origin: Origin Undefined
    • Standards and Specifications: ASME/ANSI B18.3-2002 and ASTM A574
    Product UPC Code:
    698435508170
  • 3D Product View

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