these are the Forstner bits you need

For the collection of oil and coolant mixed with metal chips

AC Output: 6000 watts

Filler Material Polypropylene Volume Absorbed Range 10 to 19 gal Spill Control - Fluids Absorbed Universal Item - Spill Control Absorbent Sock Outside Skin Material Polypropylene Static Dissipative No Connector No Connector Composition Polypropylene Filler with Polypropylene Mesh & Skin Volume Absorbed Per Sock/Boom 1 gal Neutralizing No Mildew Resistant Yes Specialized Applications Drips

the weight of the coating desired and the temperature

Walter Interleaf Flap Wheel, 2"X1"X1/4" Fine (10/pack) 3257.5 these are the Forstner bitsDimensions Diameter 2" Width 1" Arbor Hole Size 1 4" Details Item Flap Wheel Grade Fine Abrasive Type Non Woven Max RPM 12,000 rpm Mounting Type Arbor Hole Series Two In One Description ABRASIVE SANDING WHEELS