Apidors type-27 deppressed centre wheels are fibre glass reinforced and normally used on portable angle grinder equipment. Application: these are widely applied to grinding, grinding of weld bed, cleaning metal surface, cutting-off gates, risers and finishing surfaces in foundries, welding shops, steel mills, metal fabrications plants, ship yards, pipeline industries, etc. Product range: for the optimum possible results apidor abrasive products also provides a wide range of wheels as per application. Wheels are normally used at 45 on at right angle to the work piece.