Set of two different Hex head bolts (Zinc coated) sizes required for the maintenance of transformer top plate fixing in 3 phase locomotives as follows 1) Set of Hex head bolt full threaded size M10 x 30 mm, pitch 1.50 mm, grade: 8.8 as per IS: 1364. (Part-2) one flat washer having ID: 11 mm, OD: 28 mm, thickness: 2.5 mm and one spring washer as per IS: 3063.Qty/set = 01 set. 2) Set of Hex head bolt full threaded size: M12 x 55 mm, pitch: 1.75 mm, grade: 8.8 as per IS: 1364(Part-2) along with suitable one M 12 Nut, grade: 8.0 as per IS: 1364 (Part-3), two flat washers having ID: 13 mm, OD: 32 mm, Thickness: 3 mm and one spring washer as per IS: 3063, Qty /Set = 01 set. Make TVS/UNBRAKO/DFL/BMI/SUNDEEP/BIMCO. Note: one sample set of each items should be got approved before effecting bulk supply.
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