Precision components · Gebze, since 1987
Parts that arrive on the drawing.
Flanges, bearing housings, hydraulic fittings and shafts for machine builders in 31 countries. Every catalogue part ships with a datasheet and a 3.1 material certificate; custom parts with a first-article report.
- Drawing
- OC-WN16-100 · DN100 PN16
- Material
- P250GH · EN 10222-2
- Scale
- 1:2
- Rev.
- C
- CNC machining centres and lathes
- 64
- parts shipped in 2025
- 3.2M million
- customer rejects, 2025
- 38ppm parts per million
- Source: Customer scorecards
- delivered on or before the confirmed date
- 97.4% percent
- Source: ERP, Jan–Oct 2026
Catalogue
Four families, 1,140 standard parts
- 01
Flanges
EN 1092-1 weld-neck and slip-on, PN10–PN40, DN15–DN300
2 product linesDatasheets
- 02
Bearing housings
Split plummer blocks and flanged units in GJL-250 and GJS-400
2 product linesDatasheets
- 03
Hydraulic fittings
24° cone fittings to ISO 8434-1, zinc-nickel plated, up to 630 bar
2 product linesDatasheets
- 04
Shafts
Induction-hardened, ground to h6, cut and machined to drawing
1 product lineDatasheets
Capabilities
One hall, raw bar to packed box
Sawing, forging partners within 40 km, turning, five-axis milling, induction hardening, cylindrical grinding and zinc-nickel plating under one roof in Gebze. Lights-out cells run the fittings overnight.
- Turning Ø4–Ø420 mm, milling up to 1,600 × 800 mm
- Tolerances to IT6, roundness 2 µm on ground diameters
- Batch sizes from 10 to 200,000
Who we supply
Machines that cannot stop
Mobile hydraulics
Excavators, cranes and forklifts — fittings and manifolds at 400 bar.
Agricultural machinery
Flanged bearing units and shafts for balers and seed drills.
Process plants
Pressure flanges with 3.1 certificates for water and steam lines.
Rail
Bogie brackets and ground pins, batch-traceable to the heat.
Custom parts
From drawing to series
RFQ
Send a STEP file and a drawing; we quote in two working days.
Day 0–2DFM review
An engineer marks tolerances that cost money and suggests changes.
Day 3–5First article
Ten parts with a full CMM report and PPAP level 3 if you need it.
Week 3–4Series
Call-offs from a blanket order; stock held for you in Gebze.
Week 6+
Request a quote
Send us the part
Catalogue part numbers or a short description of a custom part. Our sales engineers reply within two working days; attach drawings when they write back.
- Phone
- +90 216 000 00 00
- Address
- 4. Cadde No: 1241400 Gebze OSB/GebzeKocaeli
- Hours
- Mon–Fri07:30–17:30
- Sat08:00–13:00
- SunClosed
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Plant
Gebze OSB, gate 2
Visitors sign in at gate 2 with photo ID. Safety shoes are provided for the shop-floor tour.
+90 216 000 00 00Opening hours
| Monday | 07:30–17:30 |
|---|---|
| Tuesday | 07:30–17:30 |
| Wednesday | 07:30–17:30 |
| ThursdayToday | 07:30–17:30 |
| Friday | 07:30–17:30 |
| Saturday | 08:00–13:00 |
| Sunday | Closed |