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Fasteners

Fastener Division is equipped with state of the art manufacturing facilities ranging from Pickling line to newly installed Galvanizing line; in house bolt, nut & rivet making Russian & German machine and Annealing furnace to Shaker Hearth furnace for Heat Treatment to meet the customer Specifications.

We produce wide range of Fasteners and Nuts ranging from M6 to M24 and rivets ranging from M8 to M16 as shown in table below

RANGE OF BOLTS & RIVETS

RANGE OF NUTS

PILLARS OF PRODUCTION

 
 

PICKLING

 

WIRE DRAWING

 

FORGING

         
 
 

GALVANISING

 

PACKAGING

 

QUALITY ASSURANCE

         
 
 

BUTTONING

 

TAPPING

 

HEAT TREATMENT

PROCESS FLOW CHART

PICKLING AND WIRE DRAWING

  •  Pickling line consisting of Acid Bath, Phosphating and Lime Bath
  •  Wire Drawing Machines to draw wires up to required size

FORGING:

  • In house bolt nut & rivet making facility
  • A mix of Russian and German machines having forging, Trimming and Roll Threading facility
  • A total of ten bolt, ten nut & three rivet making machines with speed up to 70 pieces per minute
  • Twenty Tapping Machines for nut tapping

GALVINISING:

  • State of the art newly installed Dry Galvinisng line
  • Composed of Pickling, Rinsing, Degreasing, Fluxing, Hot Dipping, Spinning and quenching
  • All types of Bolts, Nuts, Rivets and Washers can be galvanised
  • Zinc of high Purity (more than 99.95%) is being used
  • Strict Process Parameters control to achieve quality exceeding customer expectations

HEAT TREATMENT:

  • In house Heat treatment & Blackening facility
  • One blackening furnace to develop black fasteners
  • Four shaker-hearth furnaces for high tensile fasteners
  • One electric coil based bell furnace for tempering

PACKAGING:

  • Six Buttoning Machines to do buttoning
  • Automatic Sewing Machine to stitch gunny bags
  • Digital Weighing Machine to weigh and pack bags.

QUALITY ASSURANCE:

    • All the products supplied from our works undergo thorough scrutiny in order to maintain stringent quality norms for all our products.
    • The process formulation and standardizations for various production methodologies, is the responsibility of the Quality Assurance team.
    • Various equipment of testing like Spectrometer, Universal  Tensile Testing Machine, Rockwell Hardness Testing Machine, Brinell Hardness Testing Machine, Vickers Hardness Testing Machine, Profile Projector, Microscope, Visual Measuring Machine etc. are used for maintaining the quality norms.
    • Each lot is supplied with Individual Test Certificates.