Self Locking Nuts,Spring Inserted Reusable Nut For Size M25 Lock. Specifications- Sp 25 Pitch : 3 Hn : 22 Bn : 38.0 Cn : 43.5 Ln : 38 Material Sts, S45C, Scm, Plating Electro Zinc Plating, Melted Zinc, Nic Kel, Chrome, Zinc Powder Plating And Materials Should Be Supplied As Per Attached Rdso Specification . Te Ndor Should Attach Nas3350 Vibration Test Certificate And Oem Certificate Along With Tender. Accepted Mak E: Saper Lock [ Warranty Period: 30 Months After The Date Of Delivery ] ]