标准摘要
This document specifies the characteristics of prevailing torque (all metal) hexagon high nuts, in steel and stainless steel, with metric fine pitch thread 8 mm to 39 mm, and with product grades A and B. NOTE These nuts are designed with an overall height h min = m min (as specified in ISO 898-2 and ISO 8674 for style 2) plus the prevailing torque feature. h max has been established in function of h min ; therefore, the tolerance ( h max – h min ) does not follow the ISO code system for tolerances (IT system). The wrenching height m w,min corresponds to the values specified for style 1. If in certain cases other specifications are requested, property classes and stainless steel grades can be selected from ISO 898-2 or ISO 3506-2.
英文名称Fasteners — Prevailing torque hexagon nuts — High nuts (all metal), with fine pitch thread