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外球面球轴承用紧定螺钉 W端型（SW） JB /T 7755 (SW) - 2007

选择规格尺寸点击↓

M10

M12

M14

M16

M18

M20

同规格，其他部分尺寸不同

括号内尺寸为非优选

JB /T 7755 (SW) - 2007 外球面球轴承用紧定螺钉 W端型（SW）

尺寸单位: mm

机械行业JB /T7755 (SW) - 2007 JB7755 7755JB 外球面球轴承用紧定螺钉 W端型（SW）

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公差

螺纹尺寸
d

M10

M12

M14

M16

M18

M20

P	螺距
e	最小值
s	公称
	最小值
	最大值
t	最小值
d_z	最小值
d_z	最大值

0.8	0.75	1	1	1.25	1.5	1.5	1.5	1.5	1.5
2.87	3.44	3.44	4.85	5.72	6.86	6.86	9.15	9.15	11.43
2.5	3	3	4	5	6	6	8	8	10
2.52	3.02	3.02	4.02	5.02	6.02	6.02	8.025	8.025	10.025
2.56	3.08	3.08	4.095	5.095	6.095	6.095	8.115	8.115	10.115
3	3.5	3.5	5	6	8	8	10	10	12
2.25	2.75	2.75	4.7	5.7	7.64	7.64	9.64	9.64	13.57
2.5	3	3	5	6	8	8	10	10	14

①, df ≈ 螺纹小径

引用参考

GB /T 1172 - 1999

黑色金属硬度及强度换算值

GB /T 5267.1 - 2002

镀锌、镀镍、镀镉、复合镀等层镀层盐雾腐蚀的防护性能

GB /T 193 - 2003

普通螺纹（一般用途米制螺纹）- 直径与螺距系列 (ISO 261: 1998, MOD)

GB /T 3106 - 2016

紧固件 - 螺栓、螺钉和螺柱 - 公称长度和螺纹长度 (ISO 888:2012, MOD)

GB /T 3 - 1997

普通螺纹收尾、肩距、退刀槽和倒角 (ISO 3508:1976 / ISO 4755:1983)

GB /T 5779.1 - 2000

紧固件表面缺陷 - 螺栓、螺钉和螺柱 - 一般要求

GB /T 5779.3 - 2000

紧固件表面缺陷 - 螺栓、螺钉和螺柱 - 特殊要求

注：技术数据仅供参考，请以官方原件为准！

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