ISO 4230:1987
ISO 4230:1987


This second edition cancels and replaces the first edition (ISO 4230:1977). Is a supplement to ISO 2568 and ISO 4231 and lys down the dimensions of these screwing dies intended for production of taper pipe threads in accordance with ISO 7-1. With the exception of the die 1/16, the diameter, thickness and fixing dimensions are in accordance with ISO 2568 so as to permit the driving of hand-operated dies with the aid of the die stocks defined in that document.

General information 

  •  :  Withdrawn
     : 1987-11
  •  : 2
     : 2
  •  : ISO/TC 29/SC 9 Tools with defined cutting edges, holding tools, cutting items, adaptive items and interfaces
  •  :
    25.100.50 Taps and threading dies

Got a question?

Check out our FAQs

Customer care
+41 22 749 08 88

Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)

Keep up to date with ISO

Sign up to our newsletter for the latest news, views and product information.