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BOLT |
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Hex head bolt or Screw |
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Commonly use, half or full thread in precision or semi-precision quality develop by hot or cold forged head. Friction grip bolts and screw are of high strength suitable for High pressure vessel plants. |
Range : Diameter M 3 to M 72 or 1/8"to 2
Length 8mm to 1500mm or 5/16" to 5ft.
Grade : SAE - GR-1, GR-2, GR-5 & GR 7
BS - GR - P, R, S, T, U, V, W, X,
ISO - IS, DIN - 4.8, 5.6, 6.6, 6.8, 10.9, 12.9
Phophating : Electro Galvanised, Hot dip galvnised, Blackodise or Passivated.
Specifications : IS, ISO, IFI, DIN, JIS & BS |
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Special Purpose Bolt or Pin |
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Bolt or screw or pins having different shape or head as per requirement. Useful for Automobiles. Machinery or Railway Track. Range and Grade are as mentioned in fig. 12.
Specifications : All dimensions are as per drawings |
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Step Pin, Plug & Socket |
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Used in Automobile, Railway Hardware & Pipe fittings. it can be through hardened or case hardened and electroplated.
Specifications : as per drawings and standard
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