Grade 5.6 24x150 Railway Screw Spike 35K Carbon Steel Material With Flat Washer HDG
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24x150 Screw Spike Grade 5.6 (35K Material) with Flat Washer HDG – Railway Fastener Product Overview Our 24x150 Screw Spike Grade 5.6 is a professional railway fastener, precisely manufactured with 35K carbon steel (35# steel) and paired with a flat washer, featuring hot-dip galvanized (HDG) surface treatment. With a fixed size of 24mm diameter and 150mm length, and grade 5.6 strength, this screw spike is engineered for railway track fastening, used to secure rails, sleepers,