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DIN 912 A4 Black Oxide cylindrical-head screw — illustration
DIN 912 A4 Black Oxide screws in a small box — illustration
Original DIN 912 screw diagram: d, dk, k, l, s, P

M4x10 DIN 912 A4-70 Black Oxide socket head cap screws - 100 pcs.

Neron
zł61.90 Grosszł50.33 Net
(zł0.62 szt.)

M4×10 mm DIN 912 screws, A4 stainless steel, property class 70, Black Oxide. Cylindrical head, 3 mm hexagon socket. Metric right-hand thread M4×0,7, full thread; length 10 mm under the head. Full pack of 100 pieces; catalogue weight of this quantity 0,180 kg. Lead time: 7–14 days.

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M4x10 DIN 912 A4-70 Black Oxide socket head cap screws — illustration

M4×10 mm DIN 912 bolts — A4-70 Black Oxide

Socket head cap screws with a hexagon socket for threaded joints. Material: A4 stainless steel, property class 70; Black Oxide finish. The socket allows tightening with a suitable hex key.

Key specifications

Metric right-hand thread M4×0,7 mm, full thread. Length l = 10 mm is measured under the head. Maximum head diameter dk 7 mm, maximum head height k 4 mm, key size s = 3 mm. Sold in full packs of 100 pieces. Lead time: 7–14 days.

DIN 912 A4-70 Black Oxide bolts in a box — illustration

Technical specifications

StandardDIN 912
ISO referenceISO 4762 (catalogue reference)
BS referenceBS 4168-1 (catalogue reference)
ASME referenceASME B18.3.1M (catalogue reference)
NEN referenceNEN 1241 (catalogue reference)
NF referenceNF E25-125 (catalogue reference)
Product typeSocket head cap screw
Head shapeCylindrical
Socket typeHexagon socket
Thread diameterM4
Length under head l [mm]10
Thread pitch P [mm]0,7
Thread directionRight-hand
MaterialA4 stainless steel
Class70
FinishBlack Oxide
Maximum head diameter dk [mm]7
Maximum head height k [mm]4
Wrench size s [mm]3
Thread typeMetric, full thread
Full thread for L ≤ [mm]25
Catalogue dimension b [mm]20 — series parameter, not the thread length of this screw
Pieces per pack100
Sales unitPack
Pack weight [kg]0,180

The primary designation is DIN 912. The individual product sheet also lists catalogue references ISO 4762, BS 4168-1, ASME B18.3.1M, NEN 1241 and NF E25-125. Listing these references does not declare that all the standards are fully identical.

The catalogue specifies a full thread for lengths L ≤ 25 mm. Variant M4×10 meets this condition and has a full thread. The catalogue value b = 20 mm is a series parameter; it does not mean 20 mm of thread on this 10 mm long screw. The diagram shows the full-thread design with length measured under the head.

Custom diagram of the DIN 912 screw with full thread: d, dk, k, l, s, P — catalogue illustration

Scope of delivery and weight

Sales unit: one full pack of 100 M4×10 mm screws. Catalogue weight of the quantity sold: 0,180 kg, calculated from 1,8 g/piece × 100 pieces. This is the catalogue weight of the quantity, not an in-house measurement or a confirmed gross box weight. The images are catalogue illustrations; the parameters of the actual variant are given in the table.

Frequently asked questions

How many bolts does the price cover?

The price is for one full pack of 100 pieces.

How is the length of a DIN 912 bolt measured?

Length l = 10 mm is measured under the head, from the bearing surface to the end of the bolt.

Does this variant have a full thread and which key fits?

Yes. The length of 10 mm is within the catalogue limit for a full thread, L ≤ 25 mm. The metric right-hand thread M4 has a pitch of 0,7 mm; a hex key s = 3 mm fits.

What is the lead time?

The lead time is 7–14 days.

  • Brand
  • Reference
    N-912-A4-70-BO-M4X10-Q100
  • Waga
    0,18 kg
  • EAN13
    4022697856971

  • Condition
    New
  • Standard
    DIN 912
  • Sales unit
    Pack
  • Number of pieces per pack
    100
  • Material
    A4 stainless steel
  • Thread type
    Metric, full thread
  • Wrench size S [mm]
    3
  • Drive type
    Hexagonal
  • Head shape
    Cylindrical
  • Class
    70
  • Thread direction
    Right-hand
  • Finish
    Black Oxide
  • Product type
    Cylindrical head screw
  • Thread pitch P [mm]
    0,7
  • Head diameter dk max. [mm]
    7
  • Head height k max. [mm]
    4
  • Pack mass [kg]
    0,180
  • Full thread for L ≤ [mm]
    25
  • Reference ISO
    ISO 4762 (catalogue reference)
  • Thread diameter
    M4
  • Reference NF
    NF E25-125 (catalogue reference)
  • Reference NEN
    NEN 1241 (catalogue reference)
  • Reference BS
    BS 4168-1 (catalogue reference)
  • Reference ASME
    ASME B18.3.1M (catalogue reference)
  • Length under head l [mm]
    10
  • Catalogue dimension b [mm]
    20 — series parameter, not the thread length of this screw

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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