Set of HSS cobalto steel crown chains with 5 pins: 16 + 18.5 + 20 + 25 + 30 mm HSS cobalto, M35, HRC 64–66, stainless steel

Professional quality cobalt metal brocas game. Useful length: 1.5 cm. HSS cobalt steel brocas, rapid steel with 5% cobalto, very resistant. Brocas para acero, aluminio y plastico. Game of 5 corona brocas. Diameter: 16 mm, 18.5 mm, 20 mm, 25 mm, 30 mm. Application: steel, aluminum and plastic. Sierra de corona para metal SR. Brocas de calidad. Brocas and corona brocas are specially designed for hard materials with high-speed steel (HSS) of cobalt alloy. It resulted in its robust corona ranges for materials and versatile applications. To tighten screws with a diameter of 16 to 30 mm in steel, metal, placo and plastic! Improved cut yield The improved tooth geometry with combinations of 4/6 tpi (pulled teeth) will improve the cut yield by more than 20% and increase the useful life of the herramienta.Use correct: Contact the central broca in the correct delivery and start slowly and at a low speed. Keep the broca perpendicular to the work piece. Use corte aceite. The game consists of 5 mountains of corona with its respective Allen keys to prepare.