NPHT Inserts

Estool is one of the premier manufacturers of drilling inserts in China.
With a keen understanding of the business, we provide deep hole drilling inserts,gun drilling inserts and solutions that match your business needs.
Anywhere you are, we can deliver you the best drilling inserts solution as we had been exporting products to countries around the world.
Being a professional and reliable drilling inserts manufacturer and supplier is our primary goal. Achieving customer's 100% satisfaction is the main value of our service.