Fasteners - Tarapur

Karamtara Fasteners is well equipped with cold forging unit up to 24 mm diameter, hot forging unit up to 72 mm diameter and a hot dip galvanizing plant.

Established in the year 2003, Fasteners plant is located in MIDC, Tarapur, Maharashtra, having a manufacturing capacity of 30000 MT. This plant manufactures HT & MS Fasteners for Power Generation, Transmission & Distribution Industry, Telecom Tower Industry, Automobile Industry etc.

Our product range includes bolts, nuts, anti-theft bolts & nuts, studs, foundation bolts, U-bolts, plain and spring washers. This integrated plant has state-of-the-art Fastener manufacturing facility.

Its manufacturing facility is amongst the most modern manufacturing facilities in the country and is certified under ISO 9001:2008, ISO 14001:2004 and OHSAS 18001:2007 standards.


  • Cold Forging
  • Hot Forging
  • Thread Rolling
  • Inert Atmosphere Heat Treatment
  • Surface Treatment
    • Zinc Plating
    • Hot Dip Galvanizing
  • Non-destructive Testing
    • Magnetic Particle Inspection
  • Laboratory
    • Metrological Lab
    • Metallurgical Lab
  • In house calibration

Testing Infrastructure

  • Universal Testing Machine
  • MPI Testing Machine
  • Hardness Testing Machine
  • Cantilever Testing Machine
  • Shadowgraph
  • Calibration Instruments
  • Torque Testing
  • Impact Testing
  • Plating Thickness Testing
  • Salt Spray Testing
  • Thread Profile Masters