Stepped drill machining for automotive, aerospace, sheet metal processing, installation and maintenance of electrical and other industries, while convenient product to carry to meet the high-altitude operations with hand drills and other tools. The current overall level drill using CBN grinding whole manufacturing, the main material for the high-speed steel, carbide, high precision machining, according to different processing conditions may be surface coating, to extend tool life, enhance tool durability.

Boutique stepped drill, the use of fault-free, feel good. Changzhou too good tools Ltd. is specializing in carbide cutting tools (cutter, drill, non-standard tool) design, development, production and marketing enterprises. Our company's products are widely used in various areas of the factory machining, auto parts, aerospace, wind power transmission, such as mold. Companies with strong technology, advanced equipment, rich experience in the cutting tool industry has accumulated a good reputation, now has a number of important domestic and foreign customers, such as Volkswagen, Bosch Automotive, Shanghai General Motors, Shanghai Electric.

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