Qingdao preco imp. & exp. co., ltd. is a China-based company that has been specializing in the design and manufacture of countersink bit for wood. We have achieved a reputation for quality, service and competitive pricing. step drills series manufactured by PRECO include multiple types. And the products shown below belong to this type. When it comes to comparing with other products, our machine accessories is of greater appearance. With reasonable structure, it ensures excellent industrial performance. The product is built to last. It holds the features of rust-resistant to prevent it from water or moisture corrosion on the basis of the high-quality metal materials used in it. With high hardness, it is highly resistant to deformation.
PRECO is a globally renowned brand in the field of exporting gage blocks. Ask!