An auxiliary spring element, such as helical spring lock washer, is a very effective alternative. Tests run by Lawrence Technological University have shown that the typical helical spring lock washer exhibits a spring rate after flattening which is approximately 70% more effective than a flat washer of the same thickness.

Helical spring lock washer comes in a trapezoidal shape which helps secure your nuts and bolts in place. During installation, the trapezoidal section twists causing deformation of the washer. The diameter of the spring lock washer increases slightly under load.

the spring characteristics of very long bolts. An auxiliary spring element, such as helical spring lock washer, is a very effective alternative. Tests run by Lawrence Technological University

Helical Spring‐Lock Washer as follows: “2.1 The helical spring‐lock washers covered in this Standard are intended for general applications. Helical spring‐lock washers compensate for developed looseness between component parts of an assembly, distribute the load over a

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30000 pcs) #8, Helical Spring Lock Washers, Medium Split, Steel, Yellow Zinc : Industrial & Scientific

Also known as spring lock washers, these split lock washers provide a positive locking action. Spring like take-up compensates for loosening caused by slight 

Bolts – Machine, Self Locking Lock Washer Locking Screws with Collar and Vent DIN 5586 Washers – Lock, Single & Double Helical Spring Washers – Lock 

Our lockwashers are made in the USA. They meet all ASME standards in addition to RoHS and DFARS compliance when required. Below we have charts for MS35338, NAS1640, and 12387272 Mil-Spec parts. We also have Regular Helical Spring Split Lockwashers. Material. C/S = Carbon Steel. 304 SS = Type 304 Stainless Steel. 316 SS = Type 316 Stainless Steel.

Helical spring lock washers are one of the most common anti-loosening components used for a great variety of general industrial assemblies. Constructed from hardened steel material, our helical spring lock washers meet ANSI B18.21.1 dimensional specifications and are equipped with a plain finish. Other materials and finishes available.

Spring Split Lock Washers The Double Coil Helical Spring Washer is used in soft joints, such as wooden pole line assemblies, that are subject to considerable expansion and contraction. The double coil provides the travel necessary to maintain effective clamping force in such assemblies. Metric Heavy Helical