From soft to ultra-hard

In today’s highly developed machine industry, a tap is a cutting tool that also requires extremely high level of quality and high performance.Nomura Tools respond to this challenge by researching and developing new steel tools and shapes for taps that are ahead of their time.

Manufacturing process

Step 1 Materials
Step 2 Thread rolling
Step 3 Flute cutting
Step 4 Heat treatment
Step 5 Thread grinding
Step 6 Chamfer grinding
Step 7 Flute grinding
Step 8 Surface treatment
Step 9 Inspection