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Ribbed nuts
Ribbed nuts - 1
Ribbed nuts - 2
Ribbed nuts - 3

For detailed information, other images and documents, please select individual articles from the following table.

Ribbed nuts

Nut for frame bolt in zinc-nickel, transparent passivated (P3E) with sealant. From M12 with fine thread.

  • Design: With flange
  • Standards: WN 2639
  • Material: Steel
  • Property class: 10
  • Surface: Zinc nickel
  • RoHS-compliant: Yes
  • Corrosion protection period: 720 h
  • Locking device operating principle: Ribs
  • Locking function: Locking against self-loosening by mechanical interlocking

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You can refine your search by selecting different attributes

Art.-no. Thread type x nominal diameter x pitch Height Flange diameter External drive Quantity PU
026392 10
M10 x 1.5 8.5 mm 21 mm WS15
10 pcs
026392 12
M12 x 1.5 12 mm 24 mm WS17
10 pcs
026392 14
M14 x 1.5 14 mm 27 mm WS19
10 pcs
026392 16
M16 x 1.5 15.6 mm 31 mm WS22
10 pcs

Packaging unit

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Structure of our article number

The article number is made up of the following: VVVVAAABBB
VVVV = 4 digits for prefix number (please note that the first digit is currently always 0)
AAA = 3 digits for dimension part 1
BBB = 3 digits for dimension part 2

Example article number structures:
Example 1: Screw with dimensions of 4x10 mm:
00574 10 (2 spaces between the 4 and the 10)

Example 2: Screw with dimensions of 10x20 mm:
005710 20 (1 space between the 10 and the 20)

Example 3: Flat washer with an internal diameter of 6 mm:

Information on price display

Price per packaging unit (PU):
The displayed price is always in line with the displayed packaging, if the PU is 250 the price for 250 units, if the PU is 300 the price for 300 units.

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Price for 1 unit
Price for 100 units
Price for 1000 units


The quantity shows the number of pieces or units of measure contained in the order or delivery for the respective article.
In contrast to sales packaging and secondary packaging, the disposal costs for chemical-technical products are shown separately. The breakdown of the individual costs can be found on the relevant products and also in the shopping cart, as well as in our General Terms and Conditions (GTC).
Art.-no. Cust. Mat. No.

Hazardous Material

Product information

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Technical information

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From M12 with fine thread (thread pitch 1.5 mm)


Complies with the EU End of Life Vehicles Directive

Corrosion resistance

Approx. 720 hours of base metal corrosion according to DIN EN ISO 9227-NSS

The specified corrosion resistances apply for the corrosion tests according to DIN EN ISO 9227-NSS (salt spray mist testing), at the earliest 24 h after coating in the "as coated" state, i.e. before sorting, packaging, transporting and/or assembly. These values can be reduced through inevitable handling and assembly processes. A transfer of the corrosion resistances from the salt spray mist test to real assembly and operating conditions is not possible in the majority of cases. When designing a connection, both the combined materials and any coatings and the environmental conditions during operation must be considered by the designer when selecting a suitable corrosion protection coating.

Working principle of locking ribs:

During tightening, the locking ribs roll the counter-material in the area of the nut contact surface. This causes a plastic deformation that hardens the surface. No significant settling is determined at the end of tightening. The locking ribs limit the amount of settling of the connection and therefore reduce the loss of pretensioning force.