Screw Spike We can supply all kinds of Rail Screw Spike, it is high quality and low price. Screw Spike 185 Item No.DescriptionSpecificationMaterial 1Fish Bolt22×135, 24×135, 24×145Q2352High-strength Fish Bolt22×135, 24×135, 24×145C453Insulated Bolt22×160, 24×160, 24×170C454T type bolt M24x110Q2355Flat Washer6×25×50Q2356Spring Washer20×8, 24×8, 26×8 7Double Spring Washer26×8 8Screw SpikeM22x185, ...