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首頁 產品與标準 ASME B 18.6.3 (H3C+T1A) - 2024 80° 開槽半沉頭清根 AB、ABR型自攻螺釘

80° 開槽半沉頭清根 AB、ABR型自攻螺釘 ASME B 18.6.3 (H3C+T1A) - 2024

選擇規格尺寸 點擊↓

0#

1#

2#

3#

4#

5#

6#

7#

8#

10#

12#

1/4

5/16

3/8

7/16

1/2

ASME B 18.6.3 (H3C+T1A) - 2024 80° 開槽半沉頭清根 AB、ABR型自攻螺釘

尺寸單位: inch
美标ASME B18.6.3 (H3C+T1A) - 2024 ASME18.6 80° 開槽半沉頭清根 AB、ABR型自攻螺釘
ASME B 18.6.3 (H3C+T1A) - 2024 80° 開槽半沉頭清根 AB、ABR型自攻螺釘
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單重計算 公差
螺紋尺寸
d
0# 1# 2# 3# 4# 5# 6# 7#
d 公稱
PP
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
α 最大值
最小值
L0 ① 公稱
Y ① 螺紋過渡長度(全螺紋) 最大值
b ① 螺紋長度 (長螺釘) 最小值
0.0600 0.0730 0.0860 0.0990 0.1120 0.1250 0.1380 0.1510
48 42 32 28 24 20 20 19
0.112 0.137 0.162 0.187 0.212 0.237 0.262 0.287
0.096 0.120 0.144 0.167 0.191 0.215 0.238 0.262
0.025 0.031 0.036 0.042 0.047 0.053 0.059 0.064
0.021 0.025 0.029 0.033 0.037 0.041 0.045 0.049
0.023 0.026 0.031 0.035 0.039 0.043 0.048 0.048
0.016 0.019 0.023 0.027 0.031 0.035 0.039 0.039
0.028 0.034 0.040 0.047 0.053 0.059 0.065 0.071
0.022 0.027 0.033 0.038 0.043 0.048 0.053 0.059
82° 82° 82° 82° 82° 82° 82° 82°
80° 80° 80° 80° 80° 80° 80° 80°
7/16 9/16 5/8 3/4 13/16 15/16 1 1-1/8
0.021 0.024 0.031 0.036 0.042 0.050 0.050 0.053
0.360 0.440 0.520 0.590 0.670 0.750 0.830 0.910
螺紋尺寸
d
8# 10# 12# 1/4 5/16 3/8 7/16 1/2
d 公稱
PP
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
α 最大值
最小值
L0 ① 公稱
Y ① 螺紋過渡長度(全螺紋) 最大值
b ① 螺紋長度 (長螺釘) 最小值
0.1640 0.1900 0.2160 0.2500 0.3125 0.3750 0.4375 0.5000
18 16 14 14 12 12 10 10
0.312 0.362 0.412 0.477 0.597 0.717 0.760 0.815
0.285 0.333 0.380 0.442 0.556 0.670 0.715 0.765
0.070 0.081 0.092 0.107 0.134 0.161 0.156 0.156
0.052 0.060 0.068 0.079 0.099 0.117 0.122 0.131
0.054 0.060 0.067 0.075 0.084 0.094 0.094 0.106
0.045 0.050 0.056 0.064 0.072 0.081 0.081 0.091
0.078 0.090 0.103 0.119 0.149 0.179 0.184 0.204
0.064 0.074 0.085 0.098 0.124 0.149 0.154 0.169
82° 82° 82° 82° 82° 82° 82° 82°
80° 80° 80° 80° 80° 80° 80° 80°
1-1/4 1-3/8 1-5/8 1-13/16 1-13/16 1-7/8 1-7/8 1-7/8
0.056 0.062 0.071 0.071 0.083 0.083 0.100 0.100
0.980 1.140 1.300 1.500 1.500 1.500 1.500 1.500
①,正常情況下，當螺釘長度小于等于其公稱長度L0時應采用全螺紋，過渡螺紋長度應小于等于Y；若螺釘長度大于其公稱長度L0可采用半牙型式，但其螺紋長度應不小于b。
替代列表
ASME B 18.6.3T11t - 2013 ASME B 18.6.3H3C+T1A - 2024

長度公差

　　Tapping screws can be made to any length, but they are generally produced in fractional length increments of 1/16 in. for screws up to 1/2 in. long, 1/8 in. for screws over 1/2 in. through 1-1/2 in. long, 1/4 in. for screws over 1-1/2 in. through 3 in. long, and 1/2 in. for screws over 3 in. long.

類型

标稱螺釘長度

長度公差

A、AB、BP

≤1

±0.03

＞1

±0.05

B、BF、BT、C、D、F、G、T、TRS

≤3/4

-0.03

＞3/4,≤1-1/2

-0.05

＞1-1/2

-0.06

引用參考

GB /T 3098.5 - 2016
緊固件機械性能 - 自攻螺釘
GB /T 1172 - 1999
黑色金屬硬度及強度換算值
GB /T 5267.1 - 2002
鍍鋅、鍍鎳、鍍镉、複合鍍等層鍍層鹽霧腐蝕的防護性能
GB /T 193 - 2003
普通螺紋（一般用途米制螺紋）- 直徑與螺距系列 (ISO 261: 1998, MOD)
GB /T 5280 - 2002
自攻螺釘用螺紋
注：技術數據僅供參考，請以官方原件為準！
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