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开槽圆头凸缘(带垫、带介)螺钉 [Table 38] (ASTM F837, F468) ASME B 18.6.3 (T38) - 2013

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ASME B 18.6.3 (T38) - 2013 开槽圆头凸缘(带垫、带介)螺钉 [Table 38] (ASTM F837, F468)

尺寸单位: inch
美标ASME B18.6.3 (T38) - 2013 ASME18.6.3 1 开槽圆头凸缘(带垫、带介)螺钉 [Table 38] (ASTM F837, F468)
ASME B 18.6.3 (T38) - 2013 开槽圆头凸缘(带垫、带介)螺钉 [Table 38] (ASTM F837, F468)
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螺纹尺寸
d
2# 3# 4# 5# 6# 8# 10# 12# 1/4 5/16 3/8 7/16 1/2
d 公称
PP
dk 参考值
dc 最大值
最小值
k 最大值
最小值
c 参考值
n 最大值
最小值
t 最大值
最小值
0.0860 0.0990 0.1120 0.1250 0.1380 0.1640 0.1900 0.2160 0.2500 0.3125 0.3750 0.4375 0.5000
56 48 40 40 32 32 24 24 20 18 16 14 13
0.136 0.156 0.177 0.198 0.218 0.259 0.300 0.341 0.396 0.494 0.593 0.691 0.790
0.202 0.232 0.261 0.291 0.321 0.380 0.439 0.498 0.576 0.719 0.861 1.004 1.146
0.186 0.215 0.243 0.272 0.301 0.358 0.416 0.473 0.548 0.687 0.825 0.963 1.101
0.062 0.070 0.079 0.088 0.096 0.113 0.130 0.148 0.170 0.211 0.253 0.294 0.335
0.050 0.058 0.067 0.075 0.084 0.101 0.118 0.134 0.157 0.197 0.238 0.278 0.319
0.030 0.030 0.030 0.040 0.040 0.040 0.050 0.050 0.050 0.060 0.060 0.070 0.090
0.031 0.035 0.039 0.043 0.048 0.054 0.060 0.067 0.075 0.084 0.094 0.094 0.106
0.023 0.027 0.031 0.035 0.039 0.045 0.050 0.056 0.064 0.072 0.081 0.081 0.091
0.037 0.042 0.048 0.053 0.058 0.067 0.071 0.085 0.098 0.118 0.139 0.165 0.180
0.030 0.034 0.038 0.041 0.043 0.051 0.055 0.067 0.083 0.100 0.117 0.140 0.155
①,其他凹槽型式请点击标题下方的“采用标准”
②,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,长螺钉最小螺纹长度为 1.5 in 。
③,螺杆直径ds应不小于2A级螺纹最小中径,并不大于公称(基本)螺纹大径。
替代列表

自攻螺纹

1 AB型和ABR型自攻螺纹和末端 [Table 40] [美标]
ASME/ANSI B 18.6.3 (T40) - 2013
AB型和ABR型自攻螺纹和末端 [Table 40]
Dimensions of Threads and Points for Type AB and Type ABR Thread-forming Screws
2 B型 BP型自攻螺钉螺纹和末端 [Table 41] [美标]
ASME/ANSI B 18.6.3 (T41) - 2013
B型 BP型自攻螺钉螺纹和末端 [Table 41]
Dimensions of Threads and Points for Type B and BP Thread-Forming Tapping Screws
3 A型自攻螺钉螺纹和末端 [Table 42] [美标]
ASME/ANSI B 18.6.3 (T42) - 2013
A型自攻螺钉螺纹和末端 [Table 42]
Dimensions of Threads and Points for Type A Thread-Forming Tapping Screws
4 BF型 BT型 自切自攻螺钉螺纹和末端 [Table 43] [美标]
ASME/ANSI B 18.6.3 (T43) - 2013
BF型 BT型 自切自攻螺钉螺纹和末端 [Table 43]
Dimensions of Threads and Points for Types BF and BT Thread-Cutting Tapping Screws
5 D, F, G, T 型自攻螺钉 螺纹和末端 [Table 44] [美标]
ASME/ANSI B 18.6.3 (T44) - 2013
D, F, G, T 型自攻螺钉 螺纹和末端 [Table 44]
Dimensions of Threads and Points for Type D, F, G, and T Thread-Cutting Tapping Screws
6 自挤自攻【TRS型】螺纹和末端 [Table 45] [美标]
ASME/ANSI B 18.6.3 (T45) - 2013
自挤自攻【TRS型】螺纹和末端 [Table 45]
Dimensions of Type TRS Tapping Screws
AB, ABR型
注:技术数据仅供参考,请以官方原件为准!
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