J type anchor bolt 2) Material: Carbon steel 3) Grade: grade 4. ... ,10.9,12.9 or in grade 2,5,8 J type anchor bolt 2) Material: Carbon steel3) Grade: grade 4.8 ... , HDG, nickel, phosphate black. 7)Packing: Small box with plastic bag inside, 25kg per box, then bulk in pallet, 36 cartons per ...