China Ss-23 Railroad Screw Spikes, Find details about China Track Spike, Rail Spike from Ss-23 Railroad Screw Spikes
Size: 25xL, L=220mm to 270mm
Grade: 5.6, 8.8
Standard: ISO898-1, UIC864-1, and NF F500-50
Surface: PLain oiled, Blasted oiled, Oxide black, Zinc plated, HDG, Dacromet, Sherardizing