Zhenjiang Yongyi Tools Co., Ltd.
The company is specialized in producing high speed steel fully ground twist drills, step drills, countersinks and other cutting tools. And also we can process all kinds of non-standard drills depending on the requirements of our customers. The production workshop covers an area of 40,000 square meter, with separate office area and packing workshop. Equipment and production capacity, based on sets production equipment for drills, Yongyi has annual output of different size of drills about 30,000,000pcs. And Yongyi Annual sales is about $120,000,000.
Product List
HSS Twist Drill
Twist drills are the most widely used of all drill bit types. They are most frequently used for metal cutting, so they are generally made from M2 high speed steel.
HSS Step Drill
Step drills are ideal for sheet metal working and are suitable for cutting non-ferrous metals, stainless steel sheets up to a thickness of 5 mm, You can tap, drill and deburr in one step with the step drill.
HSS Countersink
Countersinks are mainly used for countersinking drill holes, countersinking screws and deburring.Countersinking widens the drill hole and facilitates subsequent tapping. When countersinking screws, space is created for the screw head so that it closes with the surface of the workpiece.
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