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_______________ are designed for drilling into brick, block, stone or concrete.

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in Construction & Building Materials by (190k points)
_______________ are designed for drilling into brick, block, stone or concrete.

(a) Wood auger bits

(b) Masonry bits

(c) Bullet pilot bits

(d) Spur point bits

I got this question during an online interview.

Enquiry is from Equipments in division Construction Equipments of Construction & Building Materials

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The correct option is (b) Masonry bits

For explanation: The cutting tip of masonry bit is often made from tungsten carbide bonded to a spiralled Steel shaft. Some masonry drills are described as Durium Tipped, means a highly durable Silicon Bronze alloy used instead of tungsten as the cutting point.

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