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1/4"-20 X 1/2" Square Cone SEMS Washer Machine Screws, Pan Phillips Drive, Stainless Steel, Washer Material 410 Stainless Steel

1/4"-20 X 1/2" Square Cone SEMS Washer Machine Screws, Pan Phillips Drive, Stainless Steel, Washer Material 410 Stainless Steel

PART NUMBER:
ST112-1420X12-001500
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  • Machine screws are designed for applications with a pre-tapped hole or mated to a threaded nut.
  • SEMS screws come pre-assembled with permanently installed free-spinning lock washer.
  • 18-8 stainless steel is functionally interchangeable with type 304 stainless steel.
  • Stainless steel significantly improves resistance to tarnishing or corrosion.
DIMENSIONAL ATTRIBUTES
  • Diameter (Nominal): 1/4"
  • Thread Pitch: 20
  • Diameter (Dimension): 0.250"
  • Length (Nominal): 1/2"
  • Thread Length (Nominal): 0.500"
  • Outside Diameter (Minimum): 0.495"
  • Outside Diameter (Maximum): 0.515"
  • Thickness (Nominal): 0.045"
  • Drive Recess Size: #3
  • Drive Recess Width: 0.274"
  • Drive Recess Depth (Minimum): 0.118"
  • Drive Recess Depth (Maximum): 0.144"
  • Head Diameter (Minimum): 0.473"
  • Head Diameter (Maximum): 0.492"
  • Head Height, Overall (Minimum): 0.162"
  • Head Height, Overall (Maximum): 0.175"
  • Head Radius: 0.035"
PRODUCT ATTRIBUTES
  • Category: Machine Screws
  • System of Measurement: Inch
  • Brand: Aspen Fasteners
  • Form and Design: SEMS Screws Pre-Assembled with a Captive Lock Washer
  • Head Style: Pan Head
  • Head Style Detail: Free-Spinning 410 Stainless Steel Square Cone Lock Washer
  • Drive Style: Cruciform Recess Drive
  • Drive Detail: Phillips Type H
  • Thread Length: Full Thread
  • Thread Direction: Right-Hand Thread
  • Material: Stainless Steel
  • Material Grade: 18-8 Stainless Steel
  • Coating: Uncoated
  • Origin: Origin Undefined
  • Standards and Specifications: ASME B18.13
Product UPC Code:
692559745626
Material Grade:
18-8 Stainless Steel
Order:
Machine Thread Fasteners
Category:
Machine Screws
Head Style Detail:
Free-Spinning 410 Stainless Steel Square Cone Lock Washer
Length (Nominal):
1/2"
Thread Length:
Full Thread
Drive Detail:
Phillips Type H
Shop by System of Measurement:
Inch
Thread Pitch:
20
Diameter (Dimension):
0.250"
Shop by Material:
Stainless Steel
Product Class:
Externally Threaded Fasteners
Diameter (Nominal):
1/4"
Standards and Specifications:
ASME B18.13
Drive Style:
Cruciform Recess Drive
Form and Design:
SEMS Screws Pre-Assembled with a Captive Lock Washer
Brand:
Aspen Fasteners
System of Measurement:
Inch
Material:
Stainless Steel
Head Style:
Pan Head
Coating:
Uncoated
Thread Direction:
Right-Hand Thread
POS:
ST112-1420X12-001500
Brand:
Aspen Fasteners(r)
specifications_document_url:
https://www.aspenfasteners.com/content/2D_PDF/product46/ST112-1420X12.PDF
cad_3d_file_url:
https://3d.aspenfasteners.com/assets/obj/ST112-1420X12.zip
cad_3d_viewer_url:
https://3d.aspenfasteners.com/viewer/?cad_model=obj/ST112-1420X12
Drive Recess Width:
0.274"
Thickness (Nominal):
0.045"
Head Diameter (Maximum):
0.492"
Head Height, Overall (Minimum):
0.162"
Head Height, Overall (Maximum):
0.175"
Drive Recess Size:
#3
Drive Recess Depth (Minimum):
0.118"
Outside Diameter (Maximum):
0.515"
Drive Recess Depth (Maximum):
0.144"
Origin:
Origin Undefined
Thread Length (Nominal):
0.500"
Outside Diameter (Minimum):
0.495"
Head Diameter (Minimum):
0.473"
Print
  • Description
    • Machine screws are designed for applications with a pre-tapped hole or mated to a threaded nut.
    • SEMS screws come pre-assembled with permanently installed free-spinning lock washer.
    • 18-8 stainless steel is functionally interchangeable with type 304 stainless steel.
    • Stainless steel significantly improves resistance to tarnishing or corrosion.
    DIMENSIONAL ATTRIBUTES
    • Diameter (Nominal): 1/4"
    • Thread Pitch: 20
    • Diameter (Dimension): 0.250"
    • Length (Nominal): 1/2"
    • Thread Length (Nominal): 0.500"
    • Outside Diameter (Minimum): 0.495"
    • Outside Diameter (Maximum): 0.515"
    • Thickness (Nominal): 0.045"
    • Drive Recess Size: #3
    • Drive Recess Width: 0.274"
    • Drive Recess Depth (Minimum): 0.118"
    • Drive Recess Depth (Maximum): 0.144"
    • Head Diameter (Minimum): 0.473"
    • Head Diameter (Maximum): 0.492"
    • Head Height, Overall (Minimum): 0.162"
    • Head Height, Overall (Maximum): 0.175"
    • Head Radius: 0.035"
    PRODUCT ATTRIBUTES
    • Category: Machine Screws
    • System of Measurement: Inch
    • Brand: Aspen Fasteners
    • Form and Design: SEMS Screws Pre-Assembled with a Captive Lock Washer
    • Head Style: Pan Head
    • Head Style Detail: Free-Spinning 410 Stainless Steel Square Cone Lock Washer
    • Drive Style: Cruciform Recess Drive
    • Drive Detail: Phillips Type H
    • Thread Length: Full Thread
    • Thread Direction: Right-Hand Thread
    • Material: Stainless Steel
    • Material Grade: 18-8 Stainless Steel
    • Coating: Uncoated
    • Origin: Origin Undefined
    • Standards and Specifications: ASME B18.13
    Product UPC Code:
    692559745626
  • 3D Product View

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