PRECO boasts a prominent standing in manufacturing micrometer china. Our operational capacity consistently growing year by year. step drills series manufactured by PRECO include multiple types. And the products shown below belong to this type. thread forming tap is celebrated for its exquisite craftsmanship and full range of specifications. It has guaranteed toughness so that it won't fracture or chip. The product is designed to orient to users. Its functions and practicality are created according to the user’s postures. Under the quenching treatment, its hardness and toughness have been enhanced.
To be able to attract more clients, PRECO will concentrate on the quality of customer satisfaction. Inquire online!