ISO 12257:2008

Aerospace — Internal six-lobe drives — Metric series

Publication date:   Jul 21, 2008

General information

90.20 Standard under periodical review   Jul 15, 2024

ISO

ISO/TC 20/SC 4 Aerospace fastener systems

International Standard

49.030.20   Bolts, screws, studs

Buying

  Published

PDF - €50.82

  English  



Buy

Scope

ISO 12257:2008 specifies the dimensions of metric internal six-lobe drives used in metric screws in nominal thread diameter range 3 mm to 20 mm.

Life cycle

NOW

PUBLISHED
ISO 12257:2008
90.20 Standard under periodical review
Jul 15, 2024