M20-2.5 DIN 934 / ISO 4032, Metric, Hex Finished Nuts, Left-Hand Thread, Class 6 Steel, Zinc Plated

PART NUMBER:
ME185-2025-00025
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  • Hex finished nuts are considered the most commonly used hex nuts.
  • DIN 934 hex nuts are the most commonly used metric hex nuts.
  • Also known as regular hex nuts.
  • Class 6 nuts are designed to be used with screws and bolts of property class 6.8 or lower.
  • NOTE: Left-hand threads tighten counter-clockwise and are not the common fastener thread direction!
DIMENSIONAL ATTRIBUTES
  • Diameter (Nominal): M20
  • Thread Pitch: 2.5
  • Diameter (Dimension): 20mm
  • Thread Length (Nominal): 16mm
  • Across Flats (Basic): 30mm
  • Across Flats (Minimum): 29.16mm
  • Across Flats (Maximum): 30mm
  • Height (Basic): 16mm
  • Height (Minimum): 14.9mm
  • Height (Maximum): 16mm
  • Washer Face Diameter (Minimum): 28.2mm
PRODUCT ATTRIBUTES
  • Category: Hex Finished Nuts
  • System of Measurement: Metric
  • Brand: Aspen Fasteners
  • Drive Style: External Hex Drive
  • Thread Length: Full Thread
  • Thread Direction: Left-Hand Thread
  • Material: Steel
  • Material Grade: Class 6 Steel
  • Coating: Zinc Plated
  • Coating Color: Clear
  • Standards and Specifications: DIN 934 / ISO 4032
Product UPC Code:
698435200791
Order:
Nuts
Shop by Material:
Steel
Coating:
Zinc Plated
Material:
Steel
Height (Maximum):
16mm
Brand:
Aspen Fasteners
Standards and Specifications:
DIN 934 / ISO 4032
Across Flats (Basic):
30mm
Diameter (Dimension):
20mm
POS:
ME185-2025-00025
specifications_document_url:
https://www.aspenfasteners.com/content/2D_PDF/product37/ME185-2025.PDF
Shop by System of Measurement:
Metric
cad_3d_viewer_url:
https://3d.aspenfasteners.com/viewer/?cad_model=obj/ME185-2025
Thread Direction:
Left-Hand Thread
Thread Length:
Full Thread
Thread Length (Nominal):
16mm
Material Grade:
Class 6 Steel
Diameter (Nominal):
M20
Drive Style:
External Hex Drive
Product Class:
Internally Threaded Fasteners
Across Flats (Minimum):
29.16mm
Height (Basic):
16mm
Across Flats (Maximum):
30mm
Coating Color:
Clear
Category:
Hex Finished Nuts
System of Measurement:
Metric
Height (Minimum):
14.9mm
cad_3d_file_url:
https://3d.aspenfasteners.com/assets/obj/ME185-2025.zip
Thread Pitch:
2.5
  • Description
    • Hex finished nuts are considered the most commonly used hex nuts.
    • DIN 934 hex nuts are the most commonly used metric hex nuts.
    • Also known as regular hex nuts.
    • Class 6 nuts are designed to be used with screws and bolts of property class 6.8 or lower.
    • NOTE: Left-hand threads tighten counter-clockwise and are not the common fastener thread direction!
    DIMENSIONAL ATTRIBUTES
    • Diameter (Nominal): M20
    • Thread Pitch: 2.5
    • Diameter (Dimension): 20mm
    • Thread Length (Nominal): 16mm
    • Across Flats (Basic): 30mm
    • Across Flats (Minimum): 29.16mm
    • Across Flats (Maximum): 30mm
    • Height (Basic): 16mm
    • Height (Minimum): 14.9mm
    • Height (Maximum): 16mm
    • Washer Face Diameter (Minimum): 28.2mm
    PRODUCT ATTRIBUTES
    • Category: Hex Finished Nuts
    • System of Measurement: Metric
    • Brand: Aspen Fasteners
    • Drive Style: External Hex Drive
    • Thread Length: Full Thread
    • Thread Direction: Left-Hand Thread
    • Material: Steel
    • Material Grade: Class 6 Steel
    • Coating: Zinc Plated
    • Coating Color: Clear
    • Standards and Specifications: DIN 934 / ISO 4032
    Product UPC Code:
    698435200791
  • 3D Product View

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