Bordo cold chisels cut, chip, and shape steel, cast iron, and masonry in engineering and trade applications. The SDS Max Masonry Chisel is part of Bordo's comprehensive Australian cutting tool range — trusted by engineers, tradespeople, and machinists across industry and manufacturing. Where this product is used Cold chisels are hardened and tempered tool steel — they are struck with a hammer to cut, chip, and shape metal and masonry. Cold chiselling of steel, cast iron, and masonry in engineering and maintenance Demolition, concrete work, and general trade chiselling Workshop metal chipping and cutting where powered tools are not available Selecting the right option Cold chisels must be kept sharp — a blunt chisel requires more force and is more likely to slip. Always wear safety glasses when using chisels. The mushroomed end of a chisel should be dressed back on a grinder before it chips and sends fragments flying.