Stepped Sheet Metal Drilling Bit Set Set of 3

PROPERTIES : Step punching set made of 3 pieces high speed steel Cut without cracking with double groove system It provides 15 different sizes of holes with 3 bits. Punch 1: 4, 6, 8, 10, 12mm. Punch 2: 4, 6, 8, 10, 12, 14, 16, 18, 20mm. Punch 3: 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32mm Tin coating 6 times more durable than regular HSS tips With wooden carrying case Used in soft, laminated wood, plywood, plastic, plasterboard, and sheet metal Suitable for drilling different diameters in electrical panels and junction boxes With this product, it is possible to drill different diameters without changing the bit. Thanks to its centering tip, there is no need to drill a pilot hole for large drilling operations.