Qingdao preco imp. & exp. co., ltd. establishes a tenacious foothold in the manufacturing industry. We design, manufacture, and deliver digital outside micrometer to accommodate customer needs perfectly at competitive prices. Straight Shank Twist Drills series manufactured by PRECO include multiple types. And the products shown below belong to this type. We have many kinds of designs for step drills. The surface treatment makes it highly resistant to wear. This product is able to withstand years of uses. Its sturdy frame will not easily deform over the years and will not be vulnerable to warping or peeling. It has guaranteed toughness so that it won't fracture or chip.
The PRECO brand is also designed to get higher recommendations from customers. Contact us!