Tenders for Supply Single Piece Spring Inserted Reusable Seize Nut Size M22 Lock Nut M-022 For Hook Bolts. S Pecification Model No. Sp 22 Pitch 2.5 Hn 18.0 Bn 32.0 Cn 37.0 Ln 30.8 Sn 32.0 Material Sts, S45c, Scm, Plati Ng Electro Zinc Plating, Melted Zinc, Nickle, Chrome, Zine Powder Plating . Make Saper Lock, Or Gatch Or Scre Uh Or Similar Warranty Period: 30 Months From The Date Of Supply Warranty Period: 30 Months After The Date Of Delivery