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_______________ are designed for drilling into brick, block, stone or concrete.(a) Wood auger bits(b) Masonry bits(c) Bullet pilot bits(d) Spur point bitsI got this question during an online interview.Enquiry is from Equipments in division Construction Equipments of Construction & Building Materials

Answer»

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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