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About Ay Kilit

Since 1964.

A family-run lock maker from Istanbul. We were one of the first two firms in Türkiye to use round-pin locking, and the first to make round-pin padlocks in series. Lock making and contract manufacturing now run under one roof in Dudullu OSB.

  1. 1955Yusuf Kıray starts as an apprentice in Istanbul's historic hardware and locksmith market.
  2. 1964Ay Kilit is founded. Round-pin padlocks go into series production.
  3. GrowthThe machine park is renewed again and again; new lock types join the range.
  4. TodayDudullu OSB, Istanbul. ___ people, ___ m²
Brass padlocks, cylinders and keys made by Ay Kilit

Trusted by national operators in Türkiye

Türk TelekomTCDDTEİAŞPTTTurkish AirlinesAKEDAŞ

International references

Machine park and capacity

MachineMake · modelQty
Index automatic latheIndex C29 · B42 · B60 EMT · ER254
Swiss-type CNC latheCitizen M32 III1
Turret latheMekay · Ø 20 mm, Ø 30 mm2
Forging pressNiyazi Sakız 150 t · 15 t2
Electrostatic powder coating lineBooth · Niyazi Güler oven · Omega guns (2)1 line
Horizontal transfer machineÖzgü Kalıp1
Broaching machine12501
Key-cutting machineAbus · Canaş · AYK industrial3
Drilling machineŞenel2

The machines that make our locks also make series parts to your drawing.

Materials

  • Brass
  • Stainless steel
  • Free-cutting steel
  • Aluminium
  • Polyamide (cast nylon)

Capacity

  • From 10 pcs
  • Lead time 10–30 days
  • Drawings: DWG · DXF · PDF
Contract manufacturing

Mission and vision

Our mission

Manufacturing and contract production share one goal: to keep total quality at the highest level at all times, checked regularly through cross-controls. Every part is made within the defined norms, whether for our own products or to the customer's requirements.

Contract production is shaped entirely around the customer. Because every job is different, each one adds to our knowledge and experience.

Our seriousness about lead times is backed by speed, technical quality and competitive pricing, which we see as essential to a sustainable business.

Our vision

To reach a leading position in metal parts and contract manufacturing through innovative production technology, high-precision capability and a focus on quality.

With a machine park that keeps evolving and strong engineering, we aim to offer competitive, sustainable, high value-added production to the global market, and to grow to international standards in CNC production, forging and surface coating.

Our values

  • Reliability

    We deliver the quality and lead times we promise, in every production process.

  • Sustainability

    Long-lasting products and efficient processes support sustainable production.

  • Competitive pricing

    Maximum value at optimum cost, without compromising on quality.

  • Lead-time discipline

    On-time delivery is an indispensable part of our work.

  • Expertise and experience

    Decades of experience let us approach every project as engineers.