+90 (262) 503 76 30 Email

Liquid Nitriding

Liquid nitriding is a subcritical surface enhancement process with one of the longest track records of success of any case hardening technology.

PVD Coatings

PVD coatings involve the deposition of thin (2-10 microns; 0.0001" – 0.0004") films on the surface of tools and components.

Engineered Bushings

HEF bushings are recognized worldwide for their excellent frictional and anti-seizure properties, and ability to withstand high loads.
Contact HEF

Contact

TECHNİQUES SURFACES İSTANBUL YÜZEY İŞLEM SAN.VE TİC.AŞ.
HEF Durferrit Turkey Isıl İşlem Kimyasalları Tic. A.Ş.

Şekerpınar Mah. S.S. Marmara Geri Dön. San. Sitesi
Ayçiçek Sok. No: 18 Çayırova / KOCAELİ / TÜRKİYE

Veliköy OSB 6. Cad. No:13/1
Çerkezköy-TEKİRDAĞ

Phone : +90 262 503 76 30
Fax: +90 262 503 76 82

Production Gebze Facility:Ali Süzkesen E-mail +90 533 572 91 20
Production Çerkezköy Facility: Engin Ağzıdeli eagzideli@hef.group +90 533 044 57 17
Chemical Sales: Hasan Arıcı harici@hef.group +90 507 141 21 25
Accounting: Seda Bayramoğlu sbayramoglu@hef.group +90 546 241 21 27

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