Step drill is used in the drilling of solid material through holes or blind holes, and can the existing hole reaming tool.

Also known as ladder drill step drill. The current overall step 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 prolong tool life and enhance tool durability.

The scope of products and industries: products for automotive processing, aerospace, sheet metal processing, installation and maintenance of electrical and other industries, and products to meet the high-altitude operations easy to carry with hand drills and other tools. Product Category: depending on the product trough, can be divided into straight groove, spiral groove, circular groove categories.

Tools Co., Ltd. Changzhou good to use high-quality materials, specializing in the production step drill, pack your satisfaction!