supply of stiffener plate along with fasteners for front carrier plate of cbc etc. , stiffener plate along with fasteners for front carrier plate of cbc as per rdso drawing n o. rdso/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 h ave holes with pitch=100+- 0.5mm and distance from edge = 25+-1mm, while remaining 50% stiffene r plates shall have holes with pitch=90+-0.5mm and distance from edge=30+-01mm. 3. hex head bolt shall be of reputed make: unbrako, tvs, tuff, caparo, sterling, except lps. drawing no. : mentio ned in description; material and specification : mentioned in description. [ warranty period: 84 month s after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]