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82° 開槽半沉頭清根機(jī)械螺釘 (ASTM F837/F468) [TABLE 2.2.3-3] ASME B 18.6.3 (H3C) - 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

ASME B 18.6.3 (H3C) - 2024 82° 開槽半沉頭清根機(jī)械螺釘 (ASTM F837/F468) [TABLE 2.2.3-3]

尺寸單位: inch
美標(biāo)ASME B18.6.3 (H3C) - 2024 ASME18.6.3 1 82° 開槽半沉頭清根機(jī)械螺釘 (ASTM F837/F468) [TABLE 2.2.3-3]
ASME B 18.6.3 (H3C) - 2024 82° 開槽半沉頭清根機(jī)械螺釘 (ASTM F837/F468) [TABLE 2.2.3-3]
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螺紋尺寸
d
0# 1# 2# 3# 4# 5# 6# 8# 10# 12# 1/4 5/16 3/8 7/16 1/2
d 公稱
PP
L ② 詳見備注
dk 最大值
最小值
k 參考值
f 參考值
n 最大值
最小值
t 最大值
最小值
F 最大值
最小值
G
α 最大值
最小值
0.0600 0.0730 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
/ 64 56 48 40 40 32 32 24 24 20 18 16 14 13
1/8 1/8 1/8 1/8 3/16 3/16 3/16 1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4
0.112 0.137 0.162 0.187 0.212 0.237 0.262 0.312 0.362 0.412 0.477 0.597 0.717 0.760 0.815
0.096 0.120 0.144 0.167 0.191 0.215 0.238 0.285 0.333 0.380 0.442 0.556 0.670 0.715 0.765
0.025 0.031 0.036 0.042 0.047 0.053 0.059 0.070 0.081 0.092 0.107 0.134 0.161 0.156 0.156
0.021 0.025 0.029 0.033 0.037 0.041 0.045 0.052 0.060 0.068 0.079 0.099 0.117 0.122 0.131
0.023 0.026 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
0.016 0.019 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
0.028 0.034 0.040 0.047 0.053 0.059 0.065 0.078 0.090 0.103 0.119 0.149 0.179 0.184 0.204
0.022 0.027 0.033 0.038 0.043 0.048 0.053 0.064 0.074 0.085 0.098 0.124 0.149 0.154 0.169
0.047 0.053 0.058 0.064 0.069 0.075 0.080 0.091 0.102 0.113 0.129 0.155 0.182 0.195 0.212
0.031 0.035 0.039 0.044 0.480 0.053 0.057 0.066 0.075 0.084 0.095 0.117 0.139 0.150 0.163
0.078 0.101 0.124 0.148 0.172 0.196 0.220 0.267 0.313 0.362 0.424 0.539 0.653 0.690 0.739
82° 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° 80°
①,頭部邊緣為倒圓或平的。
②,小于等于表中長(zhǎng)度的螺釘，為清根沉頭型。
③,光桿直徑應(yīng)不小于2A級(jí)螺紋最小中徑，并不大于公稱（基本）螺紋大徑。
④,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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