supply of depressed centre grinding disc of size:125mm (dia) x 7 mm (thickness) x 22.23 mm(bore)depressed centre grinding disc of size:125mm (dia) x 7 mm (thickness) x 22.23 mm(bore),depressed centre grinding disc of size: 125mm (dia) x 7 mm (thickness) x 22.23 mm (bore) to specification a24, confirming to en 12413 stand ard. note: (1) the firm should produce authorized dealership certificate along with the supply. (2) grinding disc should have residual life of minimum 18 mont hs from the date of supply. date of expiry / mfg. to be punched on the disc. make: grindwell norton / carborandum universal / bosch. [ warranty p eriod: 18 months after the date of delivery ] ] => limited