Product Category
Saddle Washer – Elastic Locking Solution for Bolted Connections under Vibration
A saddle washer (also known as an M‑shaped spring washer or saddle lock washer) is an elastic fastening component with a distinctive saddle‑like contour on both sides, designed to provide continuous preload, prevent bolt loosening, and absorb vibration and impact in mechanical assemblies. Manufactured from high‑carbon spring steel (65Mn, 60Si2Mn) or stainless steel (304, 316) with surface treatments including zinc plating, dacromet, black oxide, and hot dip galvanizing. Typical applications include heavy machinery, automotive chassis and suspension systems, railway fastening, agricultural equipment, and industrial transmissions. Available in metric M3–M64 and imperial sizes, compliant with DIN 137B, GB/T 860, and ASME B18.21.1 standards.
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