Drill Bit Anatomy

Shank Length

Flute Length

Shank

Flute

Overall Length

Figure 2. Side view of drill bit parts.

Heel

Cutting Lip

Back Relief

Cutting Lip

 

Land

Chisel Edge

Chisel Edge

Both Edges Are Aligned

Web

Web

Figure 3. Top view of standard drill bit parts.

Figure 4. Top view of split point drill bit parts.

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H8203 Professional Drill Sharpening Machine

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Grizzly H8203 owner manual Drill Bit Anatomy, Top view of standard drill bit parts