M12 Spring washers DIN 127 B A4 Black Oxide - 100 pcs.
Single-coil spring washers M12 DIN 127 B, stainless steel A4, Black Oxide, straight ends. d1 min. 12,2 mm; d2 max. 21,1 mm; material thickness s = 2,5 mm; overall height h max. 5,9 mm. Full pack of 100 pieces; catalogue weight of quantity 0,390 kg. Lead time: 7–14 days.

Spring washers M12 DIN 127 B — A4 Black Oxide
Single-coil spring washers in the form of a split ring with axially offset ends. Type B has straight ends. Material: stainless steel A4; Black Oxide finish.
Dimensions and selection
Nominal size M12. Inside diameter d1 min. 12,2 mm, outside diameter d2 max. 21,1 mm, material thickness s = 2,5 mm and overall height h max. 5,9 mm. Thickness s refers to the material cross-section, while h includes the axial rise of the ring. Select the washer according to the dimensions and conditions of the specific joint.

Technical specifications
| DIN standard | 127 B |
|---|---|
| Product type | Single-coil spring washer |
| Nominal size | M12 |
| End design | Straight (type B) |
| Inside diameter d1 min. [mm] | 12,2 |
| Outside diameter d2 max. [mm] | 21,1 |
| Material thickness s [mm] | 2,5 |
| Overall height h max. [mm] | 5,9 |
| Material | Stainless steel A4 |
| Finish | Black Oxide |
| Number of pieces per pack | 100 |
| Pack weight [kg] | 0,390 |
| EAN | 4022697856803 |

Scope of delivery and weight
The price and purchasing unit cover one full pack of 100 pieces. The catalogue weight of the quantity sold is 0,390 kg: 3,9 g/pc. × 100 pieces, rounded to the nearest whole gram. This is neither an in-house measurement nor a confirmed gross box weight. The images are our own shared catalogue illustrations of the product family; the exact confirmed dimensions of this variant are given in its specifications and description. The diagram shows the geometry and dimensional references for illustration only; it is not manufacturing documentation.
Frequently asked questions
How many washers does the price cover?
One full pack of 100 M12 washers.
How are the ends of a type B washer designed?
The ends are straight, with an axial offset resulting from the single-coil ring geometry.
How do dimensions s and h differ?
s = 2,5 mm is the material thickness. h max. 5,9 mm specifies the overall washer height.
What is the lead time?
The lead time is 7–14 days.
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Liczba sztuk w opakowaniu100
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MateriałStal nierdzewna A4
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WykończenieBlack Oxide
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Rodzaj produktuPodkładka sprężysta jednozwojowa
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Masa opakowania [kg]0,390
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Rozmiar nominalnyM12
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EAN4022697856803
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Norma DIN127 B
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Wykonanie końcówProste (typ B)
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Średnica wewnętrzna d1 min. [mm]12,2
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Średnica zewnętrzna d2 maks. [mm]21,1
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Grubość materiału s [mm]2,5
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Wysokość całkowita h maks. [mm]5,9

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