BIS Certification For Tower Bolts – Non Ferrous Metals IS 204 (PART 2) : 1992

Tower Bolt is a rod-shaped bolt for fastening a door or the like, attached to one side of the door at the edge and sliding into a cylindrical casing on the frame of the opening. These may be ferrous or non-ferrous.

For bolts made of non-ferrous metals:

Barrel Tower Bolts:
a) Brass barrel tower bolts with cast brass barrel and rolled or cast brass bolts.
b) Brass barrel tower bolts with barrel of extruded sections of brass and rolled or down brass.
c) Brass barrel tower bolts with brass sheet barrel and rolled or drawn brass bolt.
d) Aluminium barrel tower bolts with barrel and bolt of extruded sections of aluminium alloys.
e) Zinc barrel tower bolts with barrel and bolt of die-cast zinc alloy.

Skeleton Tower Bolts:
a) Brass skeleton tower bolts with cast brass plate and staples and rolled or drawn brass bolt.
b) Brass skeleton tower bolts with staples and plate of extruded sections of brass and rolled or drawn brass bolt.
c) Aluminium skeleton tower bolts with plate staples and bolt of extruded sections of aluminium alloy.
d) Zinc skeleton tower bolts with plate staples and bolts of die-cast zinc alloy.

BIS is a statutory institution established under the Bureau of Indian Standards Act,1986  to promote harmonious development of the activities of standardization, marking and quality certification of goods and attending to connected matters in the country.

Tower Bolts – Non-ferrous Metals product has been specified in IS 204 (Part 2) : 1992 by Bureau of Indian Standards.

Scope

1.1 The standard (Part 2) lays down requirements for tower bolts made of non-ferrous metals.

References

IS 292 : 1983 Leaded brass ingots and castings

IS 319 : 1974 Free-cutting brass, bars, rods and sections

IS 410 : 1981 Cold rolled brass sheet, strip and foil

IS 733 : 1983 Wrought aluminium and aluminium alloy bars, rods, and sections (for general engineering purposes)

IS 742 : 1981 Zinc base alloy die castings

IS 1285 : 1975 Wrought aluminium and aluminium alloy, extruded round tube and hollow sections (for general engineering purposes)

IS 1868 : 1982 Anodic coatings on aluminium and its alloy

IS 6760 : 1972 Slotted countersunk head wood screws

Raw Material :

As per Cl.4 and Table 3 of IS 204 (Part 2): 1992

Possible Tests in a Day :

All Tests

Following are the Testing Parameters :

·       Material

·       Manufacture

·       Dimension

·       Tolerances

·       Finish(Visual)

·       Anodizing (for aluminium alloy tower bolts)

BIS Certification in India

It is always better to consult with experience team such as ERCS Pvt. Ltd. for smooth certification process.

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