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Describe the types of drills.

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Flat Drill: It is a simple drill used for producing holds in softer materials like wood and plastic.
This is made of high carbon steel and has two cutting edges.

Straight Fluted Drill: It has two cutting edges and two straight flutes used for drilling brass and
non-ferrous metals.

Twist Drill: This is most commonly used cutting tool in workshop. It has two cutting edges and
two helical grooves which admits coolant and allows the chips to escape during the drilling.
These are made of high speed steel.

Kavungya answered the question on March 6, 2019 at 09:08

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Describe the types of drills.

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