Ground thread taps for ISO metric threads of tolerances 4H to 8H and 4G to 6G coarse and fine pitches — Manufacturing tolerances on the threaded portion
STANDARD published on 1.12.1973
Designation standards: ISO 2857:1973
Publication date standards: 1.12.1973
The number of pages: 13
Approximate weight : 39 g (0.09 lbs)
Country: International technical standard
Category: Technical standards ISO
Description / Abstract: Is valid for the short taps specified in ISO 529 as well as for any other kind of ground thread taps with the same diameters and pitches. The internal threads produced with those taps are conventionally designated by the simplified denomination of "nut" in agreement with the word used in ISO 965 for the general designation of all internal threads.