This document specifies the characteristics of reverse-taper grooved pins with one quarter-length progressive grooves on both sides (with closed ends), in steel and stainless steel, and with nominal diameters 2 mm to 25 mm.
These grooved pins are designed to fulfil the main following functions:
— relative rotation of the assembled parts,
— locking of two (or more) parts
with an easy installation (due to its symmetrical shape) and a medium level of pull-out resistance (due to the elastic fit behaviour of the pin).
The general requirements (including functional principles for grooved pins and assembly) are specified in ISO 13669.
IN_DEVELOPMENT
prSSH EN ISO 13670:2025
40.20
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Feb 9, 2026
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