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Inch Series Bolt Washers

BelleFlex™™ bolt washers maintain tension in bolted assemblies.  They compensate for a variety of environmental conditions, such as thermal expansion and contraction. This group of disc springs should not be used for dynamic or precise load applications without analyzing stress levels.



The material for the part numbers shown is 1074/1075 High Carbon Steel (t < 0.050”) or 6150 Alloy Steel. Other materials available include the following.

• 301 Stainless Steel
• 17-4 PH Stainless Steel
• 17-7 PH Stainless Steel
• INCONEL 718 Alloy
• INCONEL X-750 Alloy

Load values vary, based on the material.