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首页 产品与标准 ASME B 18.6.3 (H1A) - 2024 82°开槽沉头机械螺钉 (ASTM F837 / F468)

82°开槽沉头机械螺钉 (ASTM F837 / F468) ASME B 18.6.3 (H1A) - 2024

选择规格尺寸 点击↓

0000#

000#

00#

0#

1#

2#

3#

4#

5#

6#

8#

10#

12#

1/4

5/16

3/8

7/16

1/2

9/16

5/8

3/4

ASME B 18.6.3 (H1A) - 2024 82°开槽沉头机械螺钉 (ASTM F837 / F468)

尺寸单位: inch
美标ASME B18.6.3 (H1A) - 2024 ASME18.6.3 1 82°开槽沉头机械螺钉 (ASTM F837 / F468)
模型下载 替
ASME B 18.6.3 (H1A) - 2024 82°开槽沉头机械螺钉 (ASTM F837 / F468)
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单重计算 公差 美制螺纹极限尺寸 米/英制螺纹对照 螺纹直径与受力截面积 最小破坏扭矩 牌号等级
螺纹尺寸
d
0000# 000# 00# 0# 1# 2# 3# 4# 5# 6# 8#
d 公称
PP
L ② 详见备注
dk 最大值
最小值
k 参考值
n 最大值
最小值
t 最大值
最小值
α 最大值
最小值
0.0210 0.0340 0.0470 0.0600 0.0730 0.0860 0.0990 0.1120 0.1250 0.1380 0.1640
/ / / / 64 56 48 40 40 32 32
/ / / 1/8 1/8 1/8 1/8 3/16 3/16 3/16 1/4
0.040 0.060 0.087 0.112 0.137 0.162 0.187 0.212 0.237 0.262 0.312
0.035 0.055 0.080 0.096 0.120 0.144 0.167 0.191 0.215 0.238 0.285
0.011 0.016 0.028 0.035 0.043 0.051 0.059 0.067 0.075 0.083 0.100
0.008 0.011 0.017 0.023 0.026 0.031 0.035 0.039 0.043 0.048 0.054
0.004 0.007 0.010 0.016 0.019 0.023 0.027 0.031 0.035 0.039 0.045
0.007 0.009 0.014 0.015 0.019 0.023 0.027 0.030 0.034 0.038 0.045
0.003 0.005 0.009 0.010 0.012 0.015 0.017 0.020 0.022 0.024 0.029
82° 82° 82° 82° 82° 82° 82° 82° 82° 82° 82°
80° 80° 80° 80° 80° 80° 80° 80° 80° 80° 80°
螺纹尺寸
d
10# 12# 1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4
d 公称
PP
L ② 详见备注
dk 最大值
最小值
k 参考值
n 最大值
最小值
t 最大值
最小值
α 最大值
最小值
0.1900 0.2160 0.2500 0.3125 0.3750 0.4375 0.5000 0.5625 0.6250 0.7500
24 24 20 18 16 14 13 12 11 10
5/16 3/8 7/16 1/2 9/16 5/8 3/4 / / /
0.362 0.412 0.477 0.597 0.717 0.760 0.815 0.932 1.050 1.285
0.333 0.380 0.442 0.556 0.670 0.715 0.765 0.878 0.990 1.215
0.116 0.132 0.153 0.191 0.230 0.223 0.223 0.260 0.298 0.372
0.060 0.067 0.075 0.084 0.094 0.094 0.106 0.118 0.133 0.149
0.050 0.056 0.064 0.072 0.081 0.081 0.091 0.102 0.116 0.131
0.053 0.060 0.070 0.088 0.106 0.103 0.103 0.120 0.137 0.171
0.034 0.039 0.046 0.058 0.070 0.066 0.065 0.077 0.088 0.111
82° 82° 82° 82° 82° 82° 82° 82° 82° 82°
80° 80° 80° 80° 80° 80° 80° 80° 80° 80°
①,头部边缘为倒圆或平的。
②,小于等于表中长度的螺钉，为清根沉头型。
③,“光杆直径”应不小于2A级螺纹最小中径，并不大于公称（基本）螺纹大径。
④,机械螺钉的螺纹长度：

1）螺纹规格≤5#: 公称长度≤3倍公称直径的应为满扣产品，头下螺纹肩距≤1倍螺距。 公称长度＞3倍公称直径到 1-1/8 in 的，允许头下肩距最大不超过2倍螺距。 若无其他规定，长螺钉的最小螺纹长度为1 in 。

2）螺纹规格≥6#: 公称长度≤3倍公称直径的应为满扣产品，头下螺纹肩距≤1倍螺距。 公称长度＞3倍公称直径到 2 in 的，允许头下螺纹肩距最大不超过2倍螺距。 若无其他规定，长螺钉的最小螺纹长度为 1.5 in 。
替代列表
ASME/ANSI B 18.6.3 - 2010 ASME B 18.6.3T1 - 2013 ASME B 18.6.3H1A - 2024

长度公差

　　Machine screws can be made to any length, but they are generally produced in fractional length increments of 1/16 in. for screws up to 5/8 in. long, 1/8 in. for screws over 5/8 in. through 1-1/2 in. long, and 1/4 in. for screws over 1-1/2 in. long.

标称螺钉尺寸的长度公差

标称螺钉长度

螺纹规格

0000~00

0~12

1/4~3/4

≤1/2

-0.01

-0.02

-0.03

＞1/2,≤1

-0.02

-0.03

-0.03

＞1,≤2

/

-0.06

-0.06

＞2

/

-0.09

-0.09

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
GB /T 3103.1 - 2002
紧固件公差（螺栓、螺柱、螺钉和螺母）
GB /T 34632 - 2017
统一螺纹搓制和滚制前的毛坯直径
GB /T 18685 - 2017
普通螺纹搓制和滚制前的毛坯直径
GB /T 3105 - 2002
普通螺栓和螺钉 - 头下圆角半径
GB /T 5279.2 - 1997
沉头螺钉 第2部分 十字槽插入深度
GB /T 197 - 2018
普通螺纹 公差
注：技术数据仅供参考，请以官方原件为准！
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55 开槽沉头螺钉 [航天]
QJ 2373 - 1992		 开槽沉头螺钉
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56 100°开槽沉头螺钉 [航空]
HB 7187~7195 - 1995		 100°开槽沉头螺钉
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57 100°开槽沉头螺钉 [航空]
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