Material: 45# steel Standard: ASTM, Korea ETC. Surface: hot dipped galvanized , heat treatment Size:long, short ,standard wedge boltMaterial: 45# , or according the requirement Surface: hot dipped galvanized , heat treatment1.short wedge bolt2.standard wedge bolt3.long wedge bolt 4.used for formwork wall panel Wedge bolts with X flat ties are used in steel frame plywood form system. Packing: ...