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82°小半沉頭十字槽螺釘 (ASTM F837/F468) [TABLE 2.2.4-3,-4 I/IA] ASME B 18.6.3 (H4C) - 2024

選擇規(guī)格尺寸 點(diǎn)擊↓

4# (3)

5# (4)

6# (4)

6# (5)

8# (5)

8# (6)

10# (8)

12# (8)

12# (10)

1/4 (10)

1/4 (12)

5/16 (12)

5/16 (5/16)

3/8 (3/8)

ASME B 18.6.3 (H4C) - 2024 82°小半沉頭十字槽螺釘 (ASTM F837/F468) [TABLE 2.2.4-3,-4 I/IA]

尺寸單位: inch
美標(biāo)ASME B18.6.3 (H4C) - 2024 ASME18.6.3 1 82°小半沉頭十字槽螺釘 (ASTM F837/F468) [TABLE 2.2.4-3,-4 I/IA]
ASME B 18.6.3 (H4C) - 2024 82°小半沉頭十字槽螺釘 (ASTM F837/F468) [TABLE 2.2.4-3,-4 I/IA]
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螺紋尺寸
d
4#
(3) 		5#
(4) 		6#
(4) 		6#
(5) 		8#
(5) 		8#
(6) 		10#
(8) 		12#
(8) 		12#
(10) 		1/4
(10) 		1/4
(12) 		5/16
(12) 		5/16
(5/16) 		3/8
(3/8)
d 公稱
PP
代號(hào) 頭部尺寸
ds 最大值
最小值
dk 最大值
最小值
k 參考值
f 參考值
R 參考值
L1 最小值
α 最大值
最小值
槽號(hào)
M1 短螺釘 參考值
長(zhǎng)螺釘 參考值
M2 短螺釘 參考值
長(zhǎng)螺釘 參考值
P 短螺釘, I型 最大值
最小值
長(zhǎng)螺釘, I型 最大值
最小值
短螺釘, IA型 最大值
最小值
長(zhǎng)螺釘, IA型 最大值
最小值
0.1120 0.1250 0.1380 0.1380 0.1640 0.1640 0.1900 0.2160 0.2160 0.2500 0.2500 0.3125 0.3125 0.3750
40 40 32 32 32 32 24 24 24 20 20 18 18 16
3 4 4 5 5 6 8 8 10 10 12 12 5/16 3/8
0.112 0.125 0.138 0.138 0.164 0.164 0.190 0.216 0.216 0.250 0.250 0.312 0.312 0.375
0.106 0.119 0.131 0.131 0.157 0.157 0.181 0.207 0.207 0.240 0.240 0.302 0.302 0.364
0.187 0.212 0.212 0.237 0.237 0.262 0.312 0.312 0.362 0.362 0.412 0.412 0.477 0.597
0.167 0.191 0.191 0.215 0.215 0.238 0.285 0.285 0.333 0.333 0.380 0.380 0.442 0.556
0.057 0.066 0.058 0.075 0.060 0.076 0.094 0.078 0.111 0.091 0.124 0.087 0.130 0.173
0.033 0.037 0.037 0.041 0.041 0.045 0.076 0.076 0.060 0.060 0.068 0.068 0.079 0.099
0.014 0.017 0.017 0.019 0.019 0.021 0.025 0.025 0.029 0.029 0.033 0.033 0.038 0.048
0.062 0.062 0.062 0.062 0.062 0.062 0.062 0.062 0.062 0.062 0.062 0.062 0.062 0.062
82° 82° 82° 82° 82° 82° 82° 82° 82° 82° 82° 82° 82° 82°
80° 80° 80° 80° 80° 80° 80° 80° 80° 80° 80° 80° 80° 80°
1 1 1 2 2 2 2 2 2 2 3 3 3 4
0.118 0.130 0.130 0.152 0.152 0.172 0.186 0.186 0.202 0.202 0.264 0.264 0.284 0.384
0.118 0.130 0.130 0.162 0.162 0.188 0.200 0.200 0.214 0.214 0.264 0.264 0.264 0.384
0.118 0.130 0.130 0.152 0.152 0.172 0.186 0.186 0.202 0.202 0.264 0.264 0.284 0.384
0.118 0.130 0.130 0.162 0.162 0.188 0.200 0.200 0.214 0.214 0.264 0.264 0.284 0.384
0.074 0.087 0.087 0.074 0.074 0.094 0.108 0.108 0.126 0.126 0.135 0.135 0.156 0.218
0.057 0.070 0.070 0.050 0.050 0.069 0.084 0.084 0.102 0.102 0.111 0.111 0.131 0.194
0.074 0.087 0.087 0.085 0.085 0.110 0.124 0.124 0.137 0.137 0.135 0.135 0.156 0.218
0.057 0.070 0.070 0.061 0.061 0.085 0.099 0.099 0.112 0.112 0.111 0.111 0.131 0.194
0.074 0.086 0.086 0.074 0.074 0.093 0.108 0.108 0.125 0.125 0.135 0.135 0.155 0.215
0.058 0.070 0.070 0.056 0.056 0.075 0.090 0.090 0.107 0.107 0.117 0.117 0.137 0.197
0.074 0.086 0.086 0.084 0.084 0.109 0.122 0.122 0.136 0.136 0.135 0.135 0.155 0.215
0.058 0.070 0.070 0.066 0.066 0.091 0.104 0.104 0.118 0.118 0.117 0.117 0.137 0.197
①,頭部邊緣為倒圓或平的。
②,短機(jī)械螺釘（Short machine screws）指公稱長(zhǎng)度小于等于1 1/8英寸（5號(hào)及以下尺寸），或2英寸（6號(hào)及以上尺寸）的螺釘。
③,機(jī)械螺釘?shù)穆菁y長(zhǎng)度：

1）螺紋規(guī)格≤5#:

公稱長(zhǎng)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(zhǎng)度＞3倍公稱直徑到 1-1/8 in 的，允許頭下肩距最大不超過(guò)2倍螺距。若無(wú)其他規(guī)定，長(zhǎng)螺釘?shù)淖钚÷菁y長(zhǎng)度為1 in 。

2）螺紋規(guī)格≥6#:

公稱長(zhǎng)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(zhǎng)度＞3倍公稱直徑到 2 in 的，允許頭下螺紋肩距最大不超過(guò)2倍螺距。若無(wú)其他規(guī)定，長(zhǎng)螺釘?shù)淖钚÷菁y長(zhǎng)度為 1.5 in 。
替代列表

長(zhǎng)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(zhǎng)度公差

標(biāo)稱螺釘長(zhǎng)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(qǐng)以官方原件為準(zhǔn)！
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