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#4-20 X 1/2" Trilobe Thread Rolling Screws for Plastics, Flat Head 6Lobe Torx(r) Drive, 48-2 Double-Lead Thread, Steel, Zinc Plated and Waxed

#4-20 X 1/2" Trilobe Thread Rolling Screws for Plastics, Flat Head 6Lobe Torx(r) Drive, 48-2 Double-Lead Thread, Steel, Zinc Plated and Waxed

PART NUMBER:
SC198-4X12
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  • These thread rolling screws are fully compatible generic alternatives to the branded screws.
  • Also known as thread forming screws, thread rolling screws, trilob screws, or trilobe screws.
  • A 6-lobe recess is also known as a hexalobular internal drive.
  • Flat countersunk head screws sit flush with the surface of the material they are inserted into.
DIMENSIONAL ATTRIBUTES
  • Diameter (Nominal): #4
  • Thread Pitch: 20
  • Diameter (Dimension): 5/64"
  • Diameter (Minimum): 0.117"
  • Diameter (Maximum): 0.127"
  • Length (Nominal): 1/2"
  • Thread Length (Nominal): 0.433"
  • Drive Recess Size: T8
  • Head Diameter: 0.212"
  • Head Height, Overall: 0.067"
PRODUCT ATTRIBUTES
  • Category: Thread Rolling Screws
  • System of Measurement: Inch
  • Brand: Aspen Fasteners
  • Form and Design: Trilobe Triangular Body with Threads for Plastics
  • Head Style: Flat Countersunk Head
  • Head Style Detail: 82 Degree Countersink
  • Drive Style: 6Lobe Drive
  • Drive Detail: Torx® Generic Alternative
  • Threading: 48-2 Double-Lead Thread
  • Thread Length: Full Thread
  • Thread Direction: Right-Hand Thread
  • Material: Steel
  • Material Processes: Case Hardened
  • Coating: Zinc Plated and Waxed
  • Coating Color: Clear
  • Hardness Rating: Rockwell C45 min. / Core=C28-C38
  • Origin: Origin Undefined
  • Standards and Specifications: ASME B18.6.3
Material Processes:
Case Hardened
Coating:
Zinc Plated and Waxed
Head Style:
Flat Countersunk Head
cad_3d_viewer_url:
https://3d.aspenfasteners.com/viewer/?cad_model=obj/SC198-4X12
Thread Direction:
Right-Hand Thread
Brand:
Aspen Fasteners
Drive Recess Size:
T8
Diameter (Minimum):
0.117"
Product Class:
Externally Threaded Fasteners
Drive Detail:
Torx(r) Generic Alternative
Material:
Steel
Head Diameter:
0.212"
Hardness Rating:
Rockwell C45 min. / Core=C28-C38
Shop by System of Measurement:
Inch
Head Height, Overall:
0.067"
System of Measurement:
Inch
Thread Length (Nominal):
0.433"
Diameter (Dimension):
5/64"
Drive Style:
6Lobe Drive
Coating Color:
Clear
Thread Length:
Full Thread
Thread Pitch:
20
Diameter (Nominal):
#4
Threading:
48-2 Double-Lead Thread
Diameter (Maximum):
0.127"
Standards and Specifications:
ASME B18.6.3
Shop by Material:
Steel
Origin:
Origin Undefined
Category:
Thread Rolling Screws
Order:
Thread Cutting Fasteners
Form and Design:
Trilobe Triangular Body with Threads for Plastics
Length (Nominal):
1/2"
Head Style Detail:
82 Degree Countersink
POS:
SC198-4X12-001000,SC198-4X12-010000
specifications_document_url:
https://www.aspenfasteners.com/content/2D_PDF/product43/SC198-4X12.PDF
  • Description
    • These thread rolling screws are fully compatible generic alternatives to the branded screws.
    • Also known as thread forming screws, thread rolling screws, trilob screws, or trilobe screws.
    • A 6-lobe recess is also known as a hexalobular internal drive.
    • Flat countersunk head screws sit flush with the surface of the material they are inserted into.
    DIMENSIONAL ATTRIBUTES
    • Diameter (Nominal): #4
    • Thread Pitch: 20
    • Diameter (Dimension): 5/64"
    • Diameter (Minimum): 0.117"
    • Diameter (Maximum): 0.127"
    • Length (Nominal): 1/2"
    • Thread Length (Nominal): 0.433"
    • Drive Recess Size: T8
    • Head Diameter: 0.212"
    • Head Height, Overall: 0.067"
    PRODUCT ATTRIBUTES
    • Category: Thread Rolling Screws
    • System of Measurement: Inch
    • Brand: Aspen Fasteners
    • Form and Design: Trilobe Triangular Body with Threads for Plastics
    • Head Style: Flat Countersunk Head
    • Head Style Detail: 82 Degree Countersink
    • Drive Style: 6Lobe Drive
    • Drive Detail: Torx® Generic Alternative
    • Threading: 48-2 Double-Lead Thread
    • Thread Length: Full Thread
    • Thread Direction: Right-Hand Thread
    • Material: Steel
    • Material Processes: Case Hardened
    • Coating: Zinc Plated and Waxed
    • Coating Color: Clear
    • Hardness Rating: Rockwell C45 min. / Core=C28-C38
    • Origin: Origin Undefined
    • Standards and Specifications: ASME B18.6.3

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