
From the foundation of tap and die set manufacture to comprehensive services such as product customization and logistics, PRECO handles it all. PRECO is mainly engaged in the business of machine accessories and other product series. Designed with step up bit, step drill can be suitable for step up bit. Its steel and alloy materials offer it high strength. With a lightweight and compact design, this product is designed to allow people to move freely and easily. It adds no burden. It can withstand the heat generated during the machine working process.

In the future, PRECO will continue to improve service quality and create value for customers. Call!

