#4-40 X 3/4" Trilobe Thread Rolling Screws for Metals, Pan 6Lobe Torx(r) Drive, 410 Stainless Steel, Passivated and Waxed

PART NUMBER:
ST189-440X34-005000
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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.
  • Stainless steel significantly improves resistance to tarnishing or corrosion.
DIMENSIONAL ATTRIBUTES
  • Diameter (Nominal): #4
  • Thread Pitch: 40
  • Diameter (Dimension): 0.1098"
  • Length (Nominal): 3/4"
PRODUCT ATTRIBUTES
  • Category: Thread Rolling Screws
  • System of Measurement: Inch
  • Brand: Aspen Fasteners
  • Form and Design: Trilobe Triangular Body with Threads for Metals
  • Head Style: Pan Head
  • Drive Style: 6Lobe Drive
  • Drive Detail: Torx® Generic Alternative
  • Threading: Machine Screw Threading
  • Thread Length: Full Thread
  • Thread Direction: Right-Hand Thread
  • Material: Stainless Steel
  • Material Grade: AISI 410 Stainless Steel
  • Material Processes: Passivated
  • Coating: Waxed
  • Standards and Specifications: SAE J81
Product UPC Code:
692559748726
Diameter (Dimension):
0.1098"
Brand:
Aspen Fasteners
Drive Detail:
Torx(r) Generic Alternative
Standards and Specifications:
SAE J81
Product Class:
Externally Threaded Fasteners
Threading:
Machine Screw Threading
Material Processes:
Passivated
Order:
Thread Cutting Fasteners
POS:
ST189-440X34-005000
Length (Nominal):
3/4"
Category:
Thread Rolling Screws
Shop by Material:
Stainless Steel
Form and Design:
Trilobe Triangular Body with Threads for Metals
Thread Length:
Full Thread
Head Style:
Pan Head
Thread Pitch:
40
Drive Style:
6Lobe Drive
System of Measurement:
Inch
cad_3d_viewer_url:
https://3d.aspenfasteners.com/viewer/?cad_model=obj/ST189-440X34
Diameter (Nominal):
#4
Thread Direction:
Right-Hand Thread
Coating:
Waxed
Material Grade:
AISI 410 Stainless Steel
Shop by System of Measurement:
Inch
Material:
Stainless Steel
  • 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.
    • Stainless steel significantly improves resistance to tarnishing or corrosion.
    DIMENSIONAL ATTRIBUTES
    • Diameter (Nominal): #4
    • Thread Pitch: 40
    • Diameter (Dimension): 0.1098"
    • Length (Nominal): 3/4"
    PRODUCT ATTRIBUTES
    • Category: Thread Rolling Screws
    • System of Measurement: Inch
    • Brand: Aspen Fasteners
    • Form and Design: Trilobe Triangular Body with Threads for Metals
    • Head Style: Pan Head
    • Drive Style: 6Lobe Drive
    • Drive Detail: Torx® Generic Alternative
    • Threading: Machine Screw Threading
    • Thread Length: Full Thread
    • Thread Direction: Right-Hand Thread
    • Material: Stainless Steel
    • Material Grade: AISI 410 Stainless Steel
    • Material Processes: Passivated
    • Coating: Waxed
    • Standards and Specifications: SAE J81
    Product UPC Code:
    692559748726

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