Cutting operations for the building industry require special tools to meet the various and numerous needs of professional builders.  In highly professional applications on light and heavy duty hammers, the offer of masonry drill bits with special shanks, resistant to torsional stress, meet all the demands of high performances in intensive use. Small plates in hard metal, with high impact resistance, the welding alloy and steel body of the masonry bits are all of premium quality and have an exclusive design. Each family of building tools comes with all the specific technical indications. The figures are a valid help in choosing the most suitable drill bit for the workpiece. The drilling of large holes, for passing tubes, for aeration and other uses, is now possible thanks to the offer of new hollow cutters.  In particular, the Company has created a series of diamond burs and single-rotation diamond tools for drilling tiles and hard and fragile materials such as ceramic, terracotta and refractory bricks, i.e. works that require drilling precision and integrity of the piece.  In the same way, for drilling large holes in all types of cement, concrete and stone, strong hollow cutters are available with various chuck attachments suitable for all types of drilling hammers.