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  • Unverified
  • Location:Maharashtra, India
  • Year of Establishment:1969
  • Business Type:Manufacturer, Trading Company, Retailer
  • Turnover:Rs. 5 - 50 Crore
    (or USD 1 Million - USD 10 Million)
  • Main Products:Ball Bearing Washers, Industrial Washers
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BW & BI Series Belleville Washers

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IIS Manufactures and Stock Belleville Washers in Imperial as well as Metric Sizes.

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IIS Manufactures and Stock Belleville Washers in Imperial as well as Metric Sizes. Belleville Washers are also called as Conical Springs Washers and are made as over DIN 6796 and are designed specifically for Heavy Duty Bolted Section such as Bus Bars, Transformers, Rectifiers, Heat Exchangers, Transmission, etc. These Washers are intended to counteract the effect of setting which results in Bolt/Nut assembled working Loose. They do not effectively prevent loosening of the assembly under varying Redial Load and are designed for use with short bolts predominantly subject to thrust.

Belleville Washers are High Stressed Components and cannot be used for Dynamic Load and infrequent varying load applications. The force given in the table below is approximate.

Quality and Testing : IIS Belleville Washers are Tested as per DIN 6796 and DIN 267 Part 26. Most Thicker Sizes are supplied in Phosphated and Oiled Condition.

 

Part No. Inches mm Load Flat (N) Nominal Bolt Size
De di t h (min) De di t h (max) h (min)
BW-052204 0.197 0.09 0.016 0.02 5 2.2 0.4 0.6 0.5 625 M 2
BW-062705 0.236 0.11 0.02 0.024 6 2.7 0.5 0.72 0.61 945 M 2.5
BW-073206 0.276 0.13 0.024 0.028 7 3.2 0.6 0.85 0.72 1320 M 3
BW-083708 0.315 0.15 0.031 0.036 8 3.7 0.8 1.06 0.92 2410 M 3.5
BW-094310 0.354 0.17 0.039 0.044 9 4.3 1 1.3 1.12 3770 M 4
BW-115312 0.433 0.21 0.047 0.053 11 5.3 1.2 1.55 1.35 4580 M 5
BW-146415 0.551 0.25 0.059 0.067 14 6.4 1.5 2 1.7 8590 M 6
BW-177417 0.669 0.29 0.069 0.079 17 7.4 1.75 2.3 2 11300 M 7
BW-188420 0.709 0.33 0.079 0.088 18 8.4 2 2.6 2.24 14900 M 8

Various Carbon Steel Grades, Chrome Vanadium Steel, Spring Steel, Stainless Steel, etc.
IIS has Ready Stock of all Standard Sizes of Belleville Washers in Spring Steel Material.
Other Special material are available on request.

Finish : Phosphaed and Oiled.

Belleville Washers - BW Series (Metric) :

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