
7-400 and 7-300 main rails , Iran
The 7-400 and 7-300 main rails are made from chrome-molybdenum steel with surface hardness of 58-62 HRC, ensuring wear resistance and dynamic load capacity up to 50 kN. The 7-400 rail measures 40 mm in width and 70 mm in height, while the 7-300 rail measures 30 mm in width and 70 mm in height. The contact surface is CNC-finished and induction-hardened with a hard layer thickness of 3–5 mm, providing a service life exceeding 10 million linear motion cycles.
Rail connections use grade 10.9 steel bolts with a 200 mm installation spacing. Lubrication is performed with NLGI 2 industrial grease, and the external anti-rust coating ensures corrosion resistance up to 95% relative humidity. Rails operate in temperatures from -20°C to 120°C, making them suitable for heavy industrial environments and high-speed production lines.You can order and buy 7-400 and 7-300 main rails from Iran by contacting us through whatsaap and email.
WEBSITE: 7-400 and 7-300 main rails Iran

Komatsu excavator buckets
 مدل WA480-6.jpg?width=200&height=200&cropratio=200:200&image=/admin/uploads/لودر-کوماتسو-Komatsu-مدل-WA480-5---فروشگاه-14-24-u2176-3ca3b5-لودر کوماتسو (Komatsu) مدل WA480-6.jpg&url=/admin/uploads/لودر-کوماتسو-Komatsu-مدل-WA480-5---فروشگاه-14-24-u2176-3ca3b5-لودر کوماتسو (Komatsu) مدل WA480-6.jpg)
Komatsu Wheel Loader WA480-5

Construction machinery engine components

Komatsu D355 bulldozer ripper

Old and new series air conditioner and heater panels

Excavator and Bulldozer Tooth

Supplying construction machinery parts

turbocharger

King Long air compressor cylinder head

Excavator parts for Komatsu and Hyundai

