
Qingdao preco imp. & exp. co., ltd. is China’s premier manufacturer of performance product, specializing in designing, manufacturing, and selling countersink bit. end mills series manufactured by PRECO include multiple types. And the products shown below belong to this type. PRECO adopts people-centric approach to step drills product design. The carburizing and quenching processing method enhances its impact resistance. This product is free of tip-over hazards. Thanks to its strong and stable construction, it is not prone to wobble in any situation. With high hardness, it is highly resistant to deformation.
PRECO is continuously upgrading the grade of support for clients. Get an offer!

