Vaishnav Engineering Works manufactures Standard Masonry Drill Bit. Vaishnav Engineering Works is an ISO 9001:2000 certified company. Vaishnav Engineering Works offers different types of scaffolding products, hand tools, builder tool and heavy tools. Standard Masonry Drill Bit is ideal for use with percussion drills and for drilling in concrete, rock, and stone, masonry, and breeze blocks. This Standard Masonry Drill Bit is made of carbon steel with industrial grade carbide tip.