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SOLID CARBIDE DRILLS User Guide

Regrinding Instructions for 2 Flutes Without Coolnat Geometry

For each grinding operation, rotate the drill
180° and repeat the grinding procedure.

Primary Clearance

1

Secondary Clearance

2

Chisel

3

Edge Preparation

4

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%

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