M20-2.5 DIN 979, Metric, Slotted Castle Thin Nuts, A2 Stainless Steel

PART NUMBER:
ME575-2025X16X30-000025
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  • Also known as castellated nuts. Functionally interchangeable with slotted nuts.
  • On castle nuts, the turret end is turned down enabling the lock pin to be wound against the turret.
  • Lock the nut to a mated bolt by using a pin or wire threaded through the bolt and slots on the nut.
  • A2 stainless steel is functionally equivalent to 304 grade, also known as 18-8 stainless steel.
  • Stainless steel significantly improves resistance to tarnishing or corrosion.
  • Diameter (Nominal): M20
  • Thread Pitch: 2.5
  • Diameter (Dimension): 20mm
  • Thread Length: 16mm
  • Across Flats (Basic): 30mm
  • Across Flats (Minimum): 29.16mm
  • Across Flats (Maximum): 30mm
  • Height (Basic): 16mm
  • Height (Minimum): 15.3mm
  • Height (Maximum): 16mm
  • Slot Depth (Nominal): 6mm
  • Slot Depth (Minimum): 5.3mm
  • Slot Depth (Maximum): 6.36mm
  • Slot Width (Minimum): 4.5mm
  • Slot Width (Maximum): 4.8mm
  • Product Class: Internally Threaded Fasteners
  • Order: Nuts
  • Category: Slotted Castle Thin Nuts
  • System of Measurement: Metric
  • Brand: Aspen Fasteners®
  • Form and Design: Chamfered One Side
  • Drive Style: External Hex Drive
  • Thread Length: Full Thread
  • Thread Direction: Right-Hand Thread
  • Material: Stainless Steel
  • Material Grade: A2 Stainless Steel
  • Coating: Uncoated
  • Standards and Specifications: DIN 979
Product UPC Code:
692559698434
Slot Depth (Maximum):
6.36mm
Slot Width (Maximum):
4.8mm
Slot Width (Minimum):
4.5mm
Shop by System of Measurement:
Metric
Shop by Material:
Stainless Steel
Product Class:
Internally Threaded Fasteners
Order:
Nuts
Category:
Slotted Castle Thin Nuts
System of Measurement:
Metric
Brand:
Aspen Fasteners
Form and Design:
Chamfered One Side
Drive Style:
External Hex Drive
Thread Length:
Full Thread
Thread Direction:
Right-Hand Thread
Material:
Stainless Steel
Material Grade:
A2 Stainless Steel
Coating:
Uncoated
Standards and Specifications:
DIN 979
Diameter (Nominal):
M20
Diameter (Dimension):
20mm
Thread Pitch:
2.5
Thread Length:
16mm
Across Flats (Basic):
30mm
Across Flats (Minimum):
29.16mm
Across Flats (Maximum):
30mm
Height (Basic):
16mm
Height (Minimum):
15.3mm
Height (Maximum):
16mm
Slot Depth (Nominal):
6mm
Slot Depth (Minimum):
5.3mm
  • Description
    • Also known as castellated nuts. Functionally interchangeable with slotted nuts.
    • On castle nuts, the turret end is turned down enabling the lock pin to be wound against the turret.
    • Lock the nut to a mated bolt by using a pin or wire threaded through the bolt and slots on the nut.
    • A2 stainless steel is functionally equivalent to 304 grade, also known as 18-8 stainless steel.
    • Stainless steel significantly improves resistance to tarnishing or corrosion.
    • Diameter (Nominal): M20
    • Thread Pitch: 2.5
    • Diameter (Dimension): 20mm
    • Thread Length: 16mm
    • Across Flats (Basic): 30mm
    • Across Flats (Minimum): 29.16mm
    • Across Flats (Maximum): 30mm
    • Height (Basic): 16mm
    • Height (Minimum): 15.3mm
    • Height (Maximum): 16mm
    • Slot Depth (Nominal): 6mm
    • Slot Depth (Minimum): 5.3mm
    • Slot Depth (Maximum): 6.36mm
    • Slot Width (Minimum): 4.5mm
    • Slot Width (Maximum): 4.8mm
    • Product Class: Internally Threaded Fasteners
    • Order: Nuts
    • Category: Slotted Castle Thin Nuts
    • System of Measurement: Metric
    • Brand: Aspen Fasteners®
    • Form and Design: Chamfered One Side
    • Drive Style: External Hex Drive
    • Thread Length: Full Thread
    • Thread Direction: Right-Hand Thread
    • Material: Stainless Steel
    • Material Grade: A2 Stainless Steel
    • Coating: Uncoated
    • Standards and Specifications: DIN 979
    Product UPC Code:
    692559698434

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