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Parts of a Drill Tool


Drill Tool Nomenclature | Parts of a Drill Tool

Drill Tool Nomenclature is a collection of principles that allows you to establish systematic names for drill bits that are used in that specific activity. The various parts and angle of the twist drill are:
1. Body,
2. Shank,
3. Neck,
4. Point,
5. Land,
6. Web,
7. Chisel edge,
8. Cutting edge,
9. Flank,
10. Face,
11. Heel,
12. Point angle,
13. Rake angle,
14. Helix angle,
15. Lip clearance angle

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