BS A 312:1997
强度级小于或等于1100MPa的涂层或未涂层金属材料制阶梯形杆、短长度或中等长度MJ螺纹的内偏移十字形肋状或非肋状驱动的平头螺钉.尺寸

Screws, pan head, internal offset cruciform ribbed or unribbed drive, stepped shank, short or medium length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1100 MPa - Dimensions

被代替

标准号

BS A 312:1997

发布

1997年

发布单位

英国标准学会

替代标准

BS ISO 12260:2016

当前最新

BS ISO 12260:2016

 

 

被代替标准

94/712751 DC-1994

适用范围

This International Standard specifies the dimensions of pan head screws with internal offset cruciform ribbed or unribbed drive, stepped shank, short or me-dium length MJ threads, in metallic material, coated or uncoated, with strength classes less than or equal to 1 100 MPa. This International Standard is applicable to the compi-lation of aerospace product standards.

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