Grinding Disc With Depressed Centre Of Size 125 Mm (Dia) X 22.3 Mm (Bore) X 6 To 7 Mm (Thick), Type 27, Made Of Abrasive Grain Grade A24, Suitable To Operate At Minimum Of 12250 Rpm Or 80 M/S, Confirming To En 12413. Make: Grindwell Norton/Carborondum Univers Al/Bosch Note: 1) The Firm Should Produce Authorized Dealership Certificate Along With The Supply. (2) Grinding Disc Should Have A Shelf Life Of Minimum 18 M Onths From The Date Of Supply. ]