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 oer 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 assemblied 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.
Material : 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.
Check below for our entire size of Belleville Washers
BI Series Belleville Washers - Imperial Sizes :
| Part No. | Inches | mm | Load Flat (N) | Nominal Bolt Size | ||||||||
| De | di | t | h (max) | h (min) | De | di | t | h (max) | h (min) | |||
| BI-052202 | 0.197 | 0.087 | 0.012 | 0.02 | 0.016 | 5 | 2.2 | 0.3 | 0.5 | 0.4 | 289.8 | - |
| BI-062704 | 0.236 | 0.106 | 0.016 | 0.026 | 0.02 | 6 | 2.7 | 0.4 | 0.66 | 0.5 | 651 | - |
| BI-073205 | 0.276 | 0.126 | 0.02 | 0.03 | 0.025 | 7 | 3.2 | 0.5 | 0.76 | 0.64 | 936.4 | 1/8" #5 |
| BI-083705 | 0.315 | 0.146 | 0.02 | 0.031 | 0.027 | 8 | 3.7 | 0.5 | 0.8 | 0.7 | 784.8 | #6 |
International Industrial Springs (IIS), Thane (Mumbai) - India established in the year 1967 has specialized in manufacture of Disc Springs, Belleville Washers, Lock Rite Washers, Serrated Safety Washers, Wave Spring Washers, Curved Washer, Flange Bolting Washer etc.
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