• Automotive
    • Agricolture
    • Special fasteners
    • Reduction of motion
    • Motocycle

Our company

Various technologies and innovations in the construction of special items to drawing

OSRA special parts aims to turn to wider markets thanks to the know-how acquired by its individual members having decades of experience in the production of special parts for the automotive, earth moving, motorcycles, fasteners, reduction of motion, agriculture, oil & gas, construction sector.

Internal production cycle



Heat treatment


Quality control



The internal production cycle ensures constant process control and high flexibility.

Hot forging, machining, heat treatment, threading, rolling, marking and assembly represent the added value of company.

The continuous check carried out in each production phases from the acceptance of the raw material to the finished product ensure a high level of quality.
We handle all types of steel: Carbon steel, alloy steel, high alloy steels, stainless steels, cast iron, super alloys and aluminum.
Thanks to highly qualified suppliers we are also able to handle subcontracted work such as:

  • Gear cutting
  • Grinding
  • Broaching
  • Surface coatings

OSRA Special parts

One partner for your special products

Our main markets

OSP turns to different sector such as:

  • Special fasteners
  • Automotive
  • Motorcycles
  • Earth moving machines
  • Motion reduction
  • Agricolture
  • Oil & gas
  • Food
  • Construction
  • Oleodinamica
  • Eolic
  • Renewable energies

Among our products:

  • Special bolts
  • Nuts
  • Stud bolts
  • Tie rods
  • Pins
  • Gears
  • Sun Gear Shaft
  • Planet Gear
  • Bush
  • Sleeves
  • Driving Shaft
  • Brake Pistons
  • Crown
  • Flywheels
  • Wheel axles


OSP is a company ISO 9001-2015 certified.


We work respecting quality methods with the aim of satisfying our customers and can apply production part approval procedures supplying all needed documents. ISIR & PPAP III Lev. are, where required, an integral part of samples.

We are able to constantly check the structure and any defects of the product through MPI, impact and resilience test.

Download our ISO 9001:2015 certificate



Via Rogola 43/E, 23826 Mandello del Lario (LC), Italy
PH: +39 0341 1570401 | E-MAIL: This email address is being protected from spambots. You need JavaScript enabled to view it.

Osra Special Parts S.r.l.
Via Rogola 43/E – 23826 Mandello del Lario (LC) | VAT NUMBER: 03626670131
PH: +39 0341 1570401 | E-MAIL: This email address is being protected from spambots. You need JavaScript enabled to view it.
Registered in the Como company register with n° 03626670131 | Share capital €10.000.00 fully paid