KS W 0930-1998 航空航天.强度等级小于或等于1100MPa的涂覆或不涂覆的内偏置十字形肋驱动大柱头MJ全螺纹金属螺钉.尺寸
Aerospace-Screws, pan head, internal offset cruciform ribbed or unribbed drive, threaded to head,MJ threads metallic material, coated or uncoated, strength classes less than or equal to 1100MPaDimensions