标准编号：ISO 10642:2019
中文名称：紧固件 六角套筒沉头螺杆
英文名称：Fasteners — Hexagon socket countersunk head screws with reduced loadability
发布日期：2019-09
标准范围
This document specifies the characteristics of hexagon socket countersunk head screws with reduced
loadability due to head design, in steel and stainless steel, with metric coarse pitch threads M2 to M20,
and with product grade A.
NOTE 1 Other dimensional options are given in ISO 888, ISO 965-1 and ISO 4753.
NOTE 2 The reduced loadability (related to the countersunk head dimensions in combination with penetration
of the hexagon socket specified in this document) implies a limitation of ultimate tensile load; see Table 5.
NOTE 3 Particular attention is needed to ensure alignment of the countersunk head with the bearing surface
of the countersink in the assembly.
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