Abstract Preview

ISO 2284:2017 specifies the general dimensions and marking of hand taps for pipe threads.

It is applicable to the two following types of tap:

- taps for parallel threads (see Figure 1 and Table 1),

- taps for taper threads (see Figure 2 and Table 2),

having threads in accordance with ISO 7‑1 and ISO 228‑1.

Furthermore, it gives in Annex A the bases used for calculation of the dimensions, and in Annex B the relationship between designations in this document and the ISO 13399 series.

General information

  • Status :  Published
    Publication date : 2017-02
  • Edition : 4
    Number of pages : 7
  • :
    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

Buy this standard

Format Language
PDF + ePub
  • CHF58

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.