USER GUIDE Regrinding Instructions for AH Geometry For each grinding operation, rotate the drill 180° and repeat the grinding procedure. 1 SOLID CARBIDE DRILLS Primary Clearance 2 Secondary Clearance 3 Chisel 4 Edge Preparation Grinding Wheel Recommended Specifications: 3. Grit size: 325/400 mesh (45/38µ) 1. Diameter grinding wheel: GA2 4. Diamond concentration: C-75 (3.3 carat/cm3) 2. Grinding wheel bond: synthetic resin 5. Cutting fluid emulsion 3% 594 594 ISCAR ISCAR