1/4"-20 X 1" SEMS External Tooth Washer Machine Screws, Pan Phillips Drive, Steel, Black Zinc

PART NUMBER:
SC221-1420X1-001000
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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.
DIMENSIONAL ATTRIBUTES
  • Diameter (Nominal): 1/4"
  • Thread Pitch: 20
  • Diameter (Dimension): 0.25"
  • Length (Nominal): 1"
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 External Tooth Lock Washer
  • Drive Style: Cruciform Recess Drive
  • Drive Detail: Phillips Type H
  • Thread Length: Full Thread
  • Thread Direction: Right-Hand Thread
  • Material: Steel
  • Coating: Zinc Plated
  • Coating Color: Black
  • Origin: Origin Undefined
  • Standards and Specifications: ASME B18.13a and SAE J82
Product UPC Code:
692559732824
Form and Design:
SEMS Screws Pre-Assembled with a Captive Lock Washer
Category:
Machine Screws
Length (Nominal):
1"
Diameter (Dimension):
0.25"
Thread Pitch:
20
Head Style:
Pan Head
Diameter (Nominal):
1/4"
Coating:
Zinc Plated
Thread Direction:
Right-Hand Thread
cad_3d_viewer_url:
https://3d.aspenfasteners.com/viewer/?cad_model=obj/SC221-1420X1
Product Class:
Externally Threaded Fasteners
Coating Color:
Black
Order:
Machine Thread Fasteners
Drive Style:
Cruciform Recess Drive
Drive Detail:
Phillips Type H
Standards and Specifications:
ASME B18.13a and SAE J82
Shop by Material:
Steel
Thread Length:
Full Thread
Origin:
Origin Undefined
Head Style Detail:
Free-Spinning External Tooth Lock Washer
POS:
SC221-1420X1-001000
Brand:
Aspen Fasteners
System of Measurement:
Inch
Shop by System of Measurement:
Inch
Material:
Steel
  • 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.
    DIMENSIONAL ATTRIBUTES
    • Diameter (Nominal): 1/4"
    • Thread Pitch: 20
    • Diameter (Dimension): 0.25"
    • Length (Nominal): 1"
    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 External Tooth Lock Washer
    • Drive Style: Cruciform Recess Drive
    • Drive Detail: Phillips Type H
    • Thread Length: Full Thread
    • Thread Direction: Right-Hand Thread
    • Material: Steel
    • Coating: Zinc Plated
    • Coating Color: Black
    • Origin: Origin Undefined
    • Standards and Specifications: ASME B18.13a and SAE J82
    Product UPC Code:
    692559732824

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