... -M6445#, Q235, etcZinc, Plain, Oil, Black and so on UIC, AREMA, DIN,JIS,GB and according to your drawings or samples2Screw ... 1/120M22*120·Zinc, Plain, Oil, Black and so onUIC, AREMA, DIN,JIS,GB and according to your drawings or samplesSs ... ,Q235, 45#,55#, etcZinc, Plain, Oil, Black and so onUIC, AREMA, DIN, JIS,GB and according to your drawings or samples9 ...