Stiffener Plate Along With Fasteners For Front Carrier Plate Of Cbc As Per Rdso Drawing No. R Dso/Cg/Drg/24034, Alt. 2. Item Nos. 1 To 5. Note:- 1. Stiffener Plates Shall Be As Per Is:3885 Part-2, Grade -5 In Annealed Condition With Hardness Between 190-245 Bhn. 2. 50% Of Stiffener Plates Shall Have Holes W Ith Pitch=100+-0.5Mm And Distance From Edge = 25+-1Mm, While Remaining 50% Stiffener Plates Shall Ha Ve Holes With Pitch=90+-0.5Mm And Distance From Edge=30+-01Mm. 3. Hex Head Bolt Shall Be Of Reputed Make: Unbrako, Tvs, Caparo, Except Lps [ Warranty Period: 30 Months After The Date Of Delivery ] ]