Complete size heavy-duty Dacromet spring washers matching all standard railway bolts, ultra-long anti-rust service life compared to ordinary black oxide washers.
Stable mass supply supports one-stop bulk procurement with Dacromet bolts & flat washers to accelerate coastal & tunnel track construction progress.
Railway spring washers are usually made of spring steel with a certain degree of elasticity and fatigue resistance, which can provide additional pressure between the nut and the connected piece, thereby preventing the fastener from loosening. It has anti-corrosion, wear resistance, high strength and pressure, and the overall beauty.
Divided into dacromet heavy spring pad, single spring washer, double spring washer.