Tower Crane Mast Section Special Bolts and Nuts JiangxiZhongtian Intelligent Equipment Co., Ltd. Material:Carbon SteelType:Tower Crane Spare PartsConnection:Common BoltHead Style:HexagonalStandard:DINGrade:10.9 Base Info Model NO.:M20 M22 M24 M27 M30Application:MachineryFinish:Hot GalvanizingPart Name:Tower Crane Reamed Hole BoltColor:Metallic,SilverSurface Treatment:Galvanized, ParkrisingModel:StardandFeature:Strong and DurableTransport Package:Wooden CaseSpecification:M20*2.5*72,M22*2.5*62,M27*3*89Trademark:ZTMOrigin:Jiangxi, ChinaHS Code:8431499900Production Capacity:50000 Set,Sets Per Month Description CLICK HERE TO CONTACT US !!! Pre:Factory Wholesale Iron/Stainless Steel Pallet Coil Nails Next:DIN 21346 M16-M30 Large High Strength Square Head Bolt Class 12.9 Made in China