Set Of Hex Head Bolt Grade As Per Is 1364. Grade 8.8 Zinc Plated For 3 Phase Dampers. I). Bolt M16X50 Full Threaded. Qty-16 Nos. Ii). Bolt M16X60 Thread-40Mm.Qty-08 N Os. Iii). Bolt M16X65 Thread 40Mm.Qty.-08Nos. Iv). Bolt M16X70 Thread 44Mm. Qty.-08 Nos. V). Bolt M16X80 Thread 40Mm. Qty-08 Nos. Set Consist Of 05 Items In 48 Nos. Firm Should Be Cl W Approved Vendor For Standard Hardware Or Their Authorized Dealer. [ Warranty Peri Od: 30 Months After The Date Of Delivery ] ]