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十字槽半沉頭螺釘 I型和IA型 [TABLE 2.2.2-2 I/IA] ASME B 18.6.3 (H2B-I/H2B-IA) - 2024

選擇規(guī)格尺寸 點(diǎn)擊↓

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 (H2B-I/H2B-IA) - 2024 十字槽半沉頭螺釘 I型和IA型 [TABLE 2.2.2-2 I/IA]

尺寸單位: inch
美標(biāo)ASME B18.6.3 (H2B-I/H2B-IA) - 2024 ASM 十字槽半沉頭螺釘 I型和IA型 [TABLE 2.2.2-2 I/IA]
ASME B 18.6.3 (H2B-I/H2B-IA) - 2024 十字槽半沉頭螺釘 I型和IA型 [TABLE 2.2.2-2 I/IA]
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螺紋尺寸
d
0# 1# 2# 3# 4# 5# 6# 8# 10#
d 公稱
L
dk 最大值
最小值
k 參考
f 參考
槽號(hào)
M1 參考
M2 參考
P I型 (十字槽) 最大值
最小值
IA型 (米字槽) 最大值
最小值
α 最小值
最大值
0.0600 0.0730 0.0860 0.0990 0.1120 0.1250 0.1380 0.1640 0.1900
1/8 1/8 1/8 1/8 3/16 3/16 3/16 1/4 5/16
0.112 0.137 0.162 0.187 0.212 0.237 0.262 0.312 0.362
0.096 0.120 0.144 0.167 0.191 0.215 0.238 0.285 0.333
0.035 0.043 0.051 0.059 0.067 0.075 0.083 0.100 0.116
0.021 0.025 0.029 0.033 0.037 0.041 0.045 0.052 0.060
0 0 1 1 1 2 2 2 2
0.068 0.070 0.106 0.118 0.130 0.152 0.172 0.186 0.202
0.068 0.070 0.106 0.118 0.130 0.152 0.172 0.186 0.202
0.038 0.041 0.062 0.074 0.087 0.074 0.094 0.108 0.126
0.020 0.023 0.045 0.057 0.070 0.050 0.069 0.084 0.102
0.042 0.043 0.062 0.074 0.086 0.074 0.093 0.108 0.125
0.024 0.027 0.046 0.058 0.070 0.056 0.075 0.090 0.107
80° 80° 80° 80° 80° 80° 80° 80° 80°
82° 82° 82° 82° 82° 82° 82° 82° 82°
螺紋尺寸
d
12# 1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4
d 公稱
L
dk 最大值
最小值
k 參考
f 參考
槽號(hào)
M1 參考
M2 參考
P I型 (十字槽) 最大值
最小值
IA型 (米字槽) 最大值
最小值
α 最小值
最大值
0.2160 0.2500 0.3125 0.3750 0.4375 0.5000 0.5625 0.6250 0.7500
3/8 7/16 1/2 9/16 5/8 3/4 / / /
0.412 0.477 0.597 0.717 0.760 0.815 0.932 1.050 1.285
0.380 0.442 0.556 0.670 0.715 0.765 0.878 0.990 1.215
0.132 0.153 0.191 0.230 0.223 0.223 0.260 0.298 0.372
0.068 0.079 0.099 0.117 0.122 0.131 0.150 0.169 0.206
3 3 4 4 4 4 4 5 5
0.264 0.284 0.384 0.404 0.416 0.430 0.462 0.580 0.642
0.264 0.284 0.384 0.404 0.416 0.430 0.450 0.562 0.624
0.135 0.156 0.218 0.237 0.249 0.263 0.296 0.323 0.388
0.111 0.131 0.194 0.213 0.225 0.239 0.272 0.291 0.357
0.135 0.155 0.215 0.235 0.247 0.262 0.285 0.300 0.362
0.117 0.137 0.197 0.217 0.229 0.244 0.267 0.279 0.341
80° 80° 80° 80° 80° 80° 80° 80° 80°
82° 82° 82° 82° 82° 82° 82° 82° 82°
①,若以小數(shù)規(guī)定公稱直徑，應(yīng)省略小數(shù)前和小數(shù)點(diǎn)后第四位的零。
②,機(jī)械螺釘?shù)穆菁y長度： 1）螺紋規(guī)格≤5#: 公稱長度≤3倍公稱直徑的應(yīng)為滿扣產(chǎn)品，頭下螺紋肩距≤1倍螺距。 公稱長度＞3倍公稱直徑到 1-1/8 in 的，允許頭下肩距最大不超過2倍螺距。 若無其他規(guī)定，長螺釘?shù)淖钚÷菁y長度為1 in 。 2）螺紋規(guī)格≥6#: 公稱長度≤3倍公稱直徑的應(yīng)為滿扣產(chǎn)品，頭下螺紋肩距≤1倍螺距。 公稱長度＞3倍公稱直徑到 2 in 的，允許頭下螺紋肩距最大不超過2倍螺距。 若無其他規(guī)定，長螺釘?shù)淖钚÷菁y長度為 1.5 in 。
替代列表

長度公差

　　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.

標(biāo)稱螺釘尺寸的長度公差

標(biāo)稱螺釘長度

螺紋規(guī)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

注：技術(shù)數(shù)據(jù)僅供參考，請以官方原件為準(zhǔn)！
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