标准摘要
[中文适用范围]： 本国际标准规定了钢制公制螺钉和平垫圈组件的要求，螺纹规格为粗牙 M2 至 M12（含），具有平面支承头，性能等级最高至 10.9 级，垫圈硬度等级为 200 HV 或 300 HV。垫圈为卡扣式，即防止拆卸且可自由旋转。注：螺钉和垫圈组件的制造考虑了螺钉毛坯和垫圈的材料及生产工艺以及组件的装配工艺，以满足规范要求的（见附录 A）。 [外文原描述]： ISO 10644:2009 specifies the requirements for metric screw and plain washer assemblies made of steel with coarse thread M2 to M12 inclusive, flat seating heads, property classes up to and including 10.9 and washer hardness classes 200 HV or 300 HV. The plain washers are captive, i.e. prevented from disassembly and free to rotate.
英文名称Screw and washer assemblies made of steel with plain washers — Washer hardness classes 200 HV and 300 HV