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______________ are the most common drilling tools used by the handyman with either hand or electric drill.

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______________ are the most common drilling tools used by the handyman with either hand or electric drill.

(a) Screwdriver bits

(b) Tile bits

(c) Masonry bits

(d) Twist bits

The question was posed to me during an internship interview.

My doubt is from Equipments in portion Construction Equipments of Construction & Building Materials

1 Answer

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The correct option is (d) Twist bits

Easiest explanation: Most twist beds are made from other High Speed Steel or Carbon Steel. Twisted bits made from high speed Steel are suitable for drilling most types of materials while drilling metals the HSS stands up to high temperatures.

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