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Flat washer DIN 125-1A A4 Black Oxide — family illustration
DIN 125-1A A4 Black Oxide washers, 100 pcs — family carton illustration
Original flat washer diagram: d1, d2 and h — family illustration

M5 Washers DIN 125-1A A4 Black Oxide 140 HV - 100 pcs.

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zł27.91 Grosszł22.69 Net
(zł0.28 szt.)

Flat washers M5 DIN 125-1A, stainless steel A4, Black Oxide finish, catalog hardness class 140 HV. Dimensions d1×d2×h: 5,3×10×1 mm. Full pack of 100 pieces; catalog weight of quantity 0,040 kg. Fulfilment time: 7–14 days.

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Flat washer DIN 125-1A A4 Black Oxide — family illustration

Washers M5 DIN 125-1A — A4 Black Oxide, 140 HV

Flat round washers made of stainless steel A4 with a Black Oxide finish. The supplier catalog specifies a hardness class of 140 HV. The washer provides a bearing surface under a bolt head or nut; selection requires considering the dimensions and joint conditions.

Dimensions and designations

Nominal size M5; bore diameter d1 = 5,3 mm, outside diameter d2 = 10 mm and thickness h = 1 mm. The washer has a closed circumference and flat surfaces. The specific catalog sheet lists DIN 125-1A and references ISO 7089 and NEN 2269-A. These are supplier catalog references, without an additional declaration that all requirements of every edition of the standards are fully interchangeable.

Full pack of washers DIN 125-1A A4 Black Oxide — family carton illustration

Technical specifications

DIN standard125-1A
ISO reference according to supplier7089
NEN reference according to supplier2269-A
Product typeFlat round washer
Nominal sizeM5
Inside diameter d1 [mm]5,3
Outside diameter d2 [mm]10
Thickness h [mm]1
MaterialA4 stainless steel
FinishBlack Oxide
Hardness class according to catalog140 HV
Pieces per pack100
Pack weight [kg]0,040
EAN4022697841625
Original flat-washer family diagram: diameters d1 and d2 and thickness h

Scope of delivery and weight

The price and purchase unit cover one full pack of 100 pieces. Catalog weight of the quantity sold is 0,040 kg: 0,4 g/pc. × 100 pieces, rounded to the nearest gram. This is not an in-house measurement or a confirmed gross weight of the carton. The stated hardness class is a catalog specification, not a test result for a particular batch. Images are shared original catalog illustrations of the family; exact confirmed dimensions of this variant are specified in its data and description. The diagram shows geometry and dimensional references; it is not manufacturing documentation.

Frequently asked questions

How many washers does the listed price cover?

One full pack of 100 M5 washers.

What is the bore diameter?

The nominal size is M5; the catalog bore diameter d1 is 5,3 mm.

What are the dimensions of this washer?

Inside diameter 5,3 mm, outside diameter 10 mm, thickness 1 mm.

What is the lead time?

The lead time is 7–14 days.

  • Brand
  • Reference
    N-1251A-A4-BO-M5-Q100
  • Waga
    0,04 kg
  • EAN13
    4022697841625

  • Number of pieces per pack
    100
  • Material
    A4 stainless steel
  • Finish
    Black Oxide
  • Product type
    Flat round washer
  • Pack mass [kg]
    0,040
  • Nominal size
    M5
  • Inside diameter d1 [mm]
    5,3
  • Outside diameter d2 [mm]
    10
  • EAN
    4022697841625
  • Standard DIN
    125-1A
  • Reference ISO according to supplier
    7089
  • Reference NEN according to supplier
    2269-A
  • Thickness h [mm]
    1
  • Hardness class according to catalogue
    140 HV

Workplace safety warnings — in accordance with Regulation (EU) 2023/988 on general product safety:
1. Eye protection:
– Always wear safety goggles or a face shield to protect your eyes from sparks, particles and metal fragments.
2. Hearing protection:
– When working in a noisy environment, use ear defenders or earplugs to prevent hearing damage.
3. Respiratory protection:
– When working in dusty surroundings or in the presence of fumes, wear a filtering mask or an appropriate respirator.
– Ensure proper ventilation of the workstation.
4. Hand and skin safety:
– Use protective gloves that protect against mechanical injuries and chemicals.
– Where necessary, use protective creams to prevent irritation and dry skin.
5. Work clothing:
– Work in protective clothing resistant to sparks and splashes.
– Avoid loose clothing, jewellery and loose hair near machinery.
6. Fire risk:
– Keep the workstation free of flammable materials (e.g. paper, fabrics and chemicals).
– Keep a serviceable fire extinguisher close at hand and know how to use it.
7. Electrical hazards:
– Check the condition of cables and electrical equipment before use.
– Do not use electrical devices in damp conditions.
– Disconnect equipment from the power supply during maintenance or repairs.
8. Use of machinery and tools:
– Regularly inspect the technical condition of machines and tools.
– Use equipment in accordance with the manufacturer's instructions.
– Blades and tools should be maintained regularly and kept in good condition.
– Machines should be fitted with appropriate guards and protective devices.
9. Handling materials:
– Use handling equipment to move heavy components.
– Lift and carry using ergonomic practices to avoid injury.
10. Working with chemicals:
– Store chemicals in labelled, safe containers.
– Use substances in accordance with the manufacturer's instructions and occupational health and safety rules.
– Ensure air circulation when using chemicals.
Other important rules:
– Keep the workstation clean and tidy.
– Ensure adequate lighting in the working area.
– Provide occupational health and safety training.
– Carry out regular safety audits and comply with current regulations.

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