ISO 13921:2008-航空和航天；100度缩径沉头螺钉内偏置十字肋或无肋驱动标准柄短或中长MJ螺纹金属材料有涂层或无涂层强度等级小于或等于1100 MPa——尺寸 -国家数字标准馆

现行 ISO 13921:2008

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Aerospace — Screws, 100 degrees reduced countersunk head, internal offset cruciform ribbed or unribbed drive, normal shank, short or medium length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1 100 MPa — Dimensions 航空和航天；100度缩径沉头螺钉内偏置十字肋或无肋驱动标准柄短或中长MJ螺纹金属材料有涂层或无涂层强度等级小于或等于1100 MPa——尺寸

发布日期： 2008-08-18

                ISO 13921:2008规定了金属材料制、有涂层或无涂层、强度等级小于或等于1 100 MPa的带内偏置十字肋或无肋传动的100°缩径沉头螺钉的尺寸，其标准杆和短或中长MJ螺纹公差为近公差或大公差。
ISO 13921:2008适用于航空航天产品标准的编制。

ISO 13921:2008 specifies the dimensions of 100° reduced countersunk head screws with internal offset cruciform ribbed or unribbed drive, with close or large tolerance normal shank and short or medium length MJ threads, in metallic material, coated or uncoated, with strength classes less than or equal to 1 100 MPa.
ISO 13921:2008 is applicable to the compilation of aerospace product standards.

分类信息

发布单位或类别：国际组织-国际标准化组织

ICS分类： 49.030.20航空航天制造用紧固件 - 螺栓、螺钉、螺柱

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研制信息

归口单位： ISO/TC 20/SC 4

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