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Pandey Industries

Excellence and Reliability in Quality and Service for high Tensile and Precision Fasteners

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Bolts and Nuts

Most steel structures are fastened together on site by nuts and bolts. These come in a variety of sizes, from 6mm to 100mm in diameter. They can be soft (grade 4.6, 8.8, 10.9, 12.9): the figures refer to the ultimate strength and yield strength of bolts. For example a 4.6 has an ultimate strength of 400N/mm2 but yields at 60% of this, 240N/mm2; an 8.8 bolt has an ultimate strength of 800N/mm2, and yields at 80% of this, 640N/mm2. Bolts can act in tension (pulling) and in shear (being sliced by two sliding plates). Bolts can also be designed to work in friction, by squeezing plates so hard together that they cannot slip (these are called friction grip bolts, and sound good: but it is extremely hard to get them all to the right tension, and they should normally be avoided). In general, structural bolts are 8.8

 

 

 

 


    • Manufacturer of PI brand Nuts & Bolts
       
    • We are Distributors For : 
      DFL-UNBRAKO, MFPL, H.T. BOLTS & NUTS, HT BRAND SELF DRILLING SCREW, TVS BRAND BOLTS & NUTS.

       
    • Stockist of : 
      M.S. H.T. BOLTS, NUTS WASHERS, NYLOCK, NUT, SPRING WASHER CIRCLIPS AND ALL TYPES OF INDUSTRIAL FASTENERS CONSTRUCTION FASTENERS ANCHOR BOLTS. ETC. H.T. FASTENERS, FORBES "BBBB" BRAND SPRING WASHER.

       
    • Dealers for : 
      LPS, BRAND H.T. FASTENERS KUNDAN, APL & SAI BRAND, S.S.FASTENERS etc. ALL TYPES OF CHINEESE & IMPORTED BOLTS & NUTS.

       
    • We do undertake jobs as per customer drawing and specification.