HB 1734-1987
螺孔小圆柱定位销
1987-04-08
HB 1735-1987
盲螺孔小圆柱定位销
1987-04-08
HB 1632-1987
螺孔螺栓
1987-04-08
HB 4266-2004
钢丝螺套用标准螺孔环
Standard tapping ring for wire thread insert
2004-09-01
QJ 2820-1996
钢丝螺套螺孔用丝锥
1996-03-21
TB/T 846-1991
方孔螺堵
1991-06-17
QJ 2821A-2004
钢丝螺套螺孔用丝锥应用尺寸
Application dimensions of taps thread hole for installation helical coil threaded inserts
2004-09-01
QJ 2822-1996
钢丝螺套螺孔用丝锥技术条件
1996-03-21
HB 1744-1987
螺孔菱形定位销
1987-04-08
HB 409-1971
带螺孔转动压板
1973-01-01
HB 1873-1971
带螺孔转动压板
1973-01-01
HB 1872-1971
带螺孔移动压板
1973-01-01
HB 407-1971
带螺孔移动压板
1973-01-01
HB 1737-1987
通孔圆柱定位销
1987-04-08
HB 1739-1987
沉孔圆柱定位销
1987-04-08
HB 4270-2004
钢丝螺套用标准螺孔环小径用光滑塞规
Small diameter smooth plug gauge of standard tapping ring for wire thread insert
2004-09-01
HB 1741-1987
盲螺孔小菱形定位销
1987-04-08
HB 1733-1987
通孔小圆柱定位销
1987-04-08
GOST 21348-1975
Отверстия под нарезание трубной цилиндрической резьбы. Диаметры
螺纹管圆柱螺纹孔 直径
ASME B18.2.8-1999(R2017)
Clearance Holes for Bolts, Screws, and Studs
螺栓、螺钉和螺柱的间隙孔
1999-01-01