Thread holes

Benefits

The low cutting forces increase tool life and deliver increased cutting data. 

 

Machining process

 

Step 1: SC step drill

 

Step 1: Solid carbide step drill

Drawing no. 212850/999998, N = 8917 rpm

 

Step 2: HSS tap

 

Step 2: HSS tap

Drawing no. 252741/999998, Vc = 30-50 m/min.