1/4"-20 X 7/8" Set Screws, Square Head, Cone Point, Steel

PART NUMBER:
SO099-1420X78-002500
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  • Holds an object in place via friction between the point of the screw and the fastened material.
  • While similar to set screws with a hex recess drive, the square head allows for a wrench to be used.
  • Square head set screws are also known as grub screws.
  • Set screws are designed to be used under compressive stress only.
DIMENSIONAL ATTRIBUTES
  • Diameter (Nominal): 1/4"
  • Thread Pitch: 20
  • Diameter (Dimension): 0.25"
  • Length (Nominal): 7/8"
  • Thread Length (Nominal): 0.875"
  • Across Flats (Basic): 0.25"
  • Across Flats (Minimum): 0.241"
  • Across Flats (Maximum): 0.25"
  • Head Height, Overall (Minimum): 0.178"
  • Head Height, Overall (Maximum): 0.196"
PRODUCT ATTRIBUTES
  • Category: Set Screws
  • System of Measurement: Inch
  • Brand: Aspen Fasteners®
  • Head Style: Square Head
  • Drive Style: External Square Drive
  • Pitch: Coarse Thread
  • Thread Length: Full Thread
  • Thread Direction: Right-Hand Thread
  • Point: Cone Point
  • Material: Steel
  • Material Grade: Low Carbon Steel
  • Material Processes: Case Hardened
  • Coating: Uncoated
  • Standards and Specifications: ASME B18.6.2
Product UPC Code:
698435902893
Material Processes:
Case Hardened
Coating:
Uncoated
Head Style:
Square Head
Point:
Cone Point
Thread Direction:
Right-Hand Thread
Diameter (Dimension):
0.25"
Product Class:
Externally Threaded Fasteners
Length (Nominal):
7/8"
Thread Pitch:
20
Standards and Specifications:
ASME B18.6.2
Pitch:
Coarse Thread
Across Flats (Minimum):
0.241"
Shop by Material:
Steel
Thread Length:
Full Thread
Drive Style:
External Square Drive
System of Measurement:
Inch
Head Height, Overall (Maximum):
0.196"
Material:
Steel
Brand:
Aspen Fasteners
Material Grade:
Low Carbon Steel
Thread Length (Nominal):
0.875"
Order:
Machine Thread Fasteners
Category:
Set Screws
Diameter (Nominal):
1/4"
Across Flats (Maximum):
0.25"
Shop by System of Measurement:
Inch
Across Flats (Basic):
0.25"
Head Height, Overall (Minimum):
0.178"
  • Description
    • Holds an object in place via friction between the point of the screw and the fastened material.
    • While similar to set screws with a hex recess drive, the square head allows for a wrench to be used.
    • Square head set screws are also known as grub screws.
    • Set screws are designed to be used under compressive stress only.
    DIMENSIONAL ATTRIBUTES
    • Diameter (Nominal): 1/4"
    • Thread Pitch: 20
    • Diameter (Dimension): 0.25"
    • Length (Nominal): 7/8"
    • Thread Length (Nominal): 0.875"
    • Across Flats (Basic): 0.25"
    • Across Flats (Minimum): 0.241"
    • Across Flats (Maximum): 0.25"
    • Head Height, Overall (Minimum): 0.178"
    • Head Height, Overall (Maximum): 0.196"
    PRODUCT ATTRIBUTES
    • Category: Set Screws
    • System of Measurement: Inch
    • Brand: Aspen Fasteners®
    • Head Style: Square Head
    • Drive Style: External Square Drive
    • Pitch: Coarse Thread
    • Thread Length: Full Thread
    • Thread Direction: Right-Hand Thread
    • Point: Cone Point
    • Material: Steel
    • Material Grade: Low Carbon Steel
    • Material Processes: Case Hardened
    • Coating: Uncoated
    • Standards and Specifications: ASME B18.6.2
    Product UPC Code:
    698435902893

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