Essential Spring Washers

Essential Spring washers, which are produced by many manufacturers, are mechanical components designed to provide a flexible preload in bolted assemblies. In terms of production, Xiaoguo® has advanced equipment and efficient processes, which enable it to handle large - scale orders with ease.

Model:GB/T 7245-1987

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Product Description

Essential Spring washers help keep terminal screws tight inside electrical junction boxes. This helps prevent short circuits that can happen when connections come loose. They're small—only about 4 to 8mm wide—and come in either tin-plated steel (light silver color) or black oxide (dull black) for a less noticeable look.

The washers are packed in divided boxes with labels for each size, and foam inside to keep them from bouncing around or mixing. They’re tested to make sure they resist electricity and won’t rust. They also come with UL certification for electrical safety, and every batch is tested to meet IEC standards—you’ll get a report showing they passed.

Product Details

Essential Spring washers help keep bike seat posts and handlebar stems from coming loose.They are extremely light, weighing between half a gram and one gram each, and feature a split ring design. They are made of chrome-plated steel and have a shiny silver finish.

The gaskets are packaged in envelopes lined with bubble wrap for cushioning, and reinforced with cardboard to prevent swaying. We rigorously test our products to ensure they can withstand the pressure of the application. They are also equipped with a surface treatment that is resistant to rust and a durable coating. Moreover, all the gaskets conform to international safety standards. Before shipment, each batch will be inspected by specialists to make sure that there are no sharp edges, which can guarantee peace of mind.

Mon	Φ8	Φ10	Φ12	Φ14	Φ16	Φ18	Φ20	Φ22	Φ24	Φ27	Φ30
d min	8.1	10.2	12.2	14.2	16.2	18.2	20.2	22.5	24.5	27.5	30.5
d max	8.68	10.9	12.9	14.9	16.9	19.04	21.04	23.34	25.5	28.5	31.5
H min	2.45	2.85	3.35	3.9	4.5	4.5	5.1	5.1	6.5	6.5	9.5
H max	2.75	3.15	3.65	4.3	5.1	5.1	5.9	5.9	7.5	7.5	10.5
h min	1.5	1.9	2.35	2.85	3	3.4	3.8	4.3	4.8	5.3	5.8
h max	1.7	2.1	2.65	3.15	3.4	3.8	4.2	4.7	5.2	5.7	6.2
b min	2.35	2.85	3.3	3.8	4.3	4.8	5.3	5.8	6.7	7.7	8.7
b max	2.65	3.15	3.7	4.2	4.7	5.2	5.7	6.2	7.3	8.3	9.3

FAQ

Q: How do you ensure the quality and consistency of your Essential Spring washers?

A: We ensure quality through rigorous quality control. Every batch of our Essential Spring washers is tested for hardness, load capacity, and dimensional accuracy to meet international standards like ISO 898-1, guaranteeing consistent performance.

Essential Spring Washers