Materials: Steel Q235,35#,45#; Alloy Steel 40Cr,42CrMo,35CrMo

Grade: 3.6/4.6/4.8/5.6/5.8/6.8/8.8/10.9/12.9

Surface: Plain Oiled, Oxygen Black, Zinc Plated, Hot Dip Galvanized, Dacro coating

Material Refer to: DIN 17221,BS 970, GB/T 4357, GB/T 4358

Packing: Less than 25KG per double layer woven bag in fumigation free pallet 

MOQ: 3000 Piece/Pieces 

Supply ability: 5000 Ton/Tons per Month 

Delivery: within 20 working days

Railway Coach Screw