Steel Bolt

Steel Bolt We produce track bolt according to AREA, BS, DIN and GB Grade: 4.6, 5.6, 8.8, 10.9 Coating: Zinc, hog dip galvanized, dacromet, black We control our quality strictly in process manufacture. Each production chain is given strict management and testing. Quality always comes first. The annual production capacity is 18000 tons of track bolts and sleeper screws. As well, our products are also approved by world class railroad company, such as UPRR, BNSF, SBB, SRT, PNR,