Manu engineering works manufactures drill-cum-tool bit grinders. It includes a 0.37 kw, [1/2 hp], 3-phase, 440 v ac, 2,800 rpm motor having 150 mm dia. Aa 46/54 ros grinding wheels on both sides for grinding drills varying from 3 mm to 19 mm of all types including taper shank and long series drills. On the other side a specially designed attachment is fixed with a degree protector scale of centre 0 to 60 on right and left sides that gives the correct degree to be ground on hss square tool bits size of 5 mm to 10 mm for perfect degree grinding of threading tool bits accurately to any required angle. The machine is very simple to operate.
