螺纹规格
-
2023年3月1日发(作者：传统服饰)螺纹规格对照表
LT
25×1.523.523.62(85%)23.37623.676
25×12424.13(80%)23.91724.153
螺纹下孔径表
公制细牙螺纹JISB0211-1982(单位：
mm)
螺纹尺寸钻头直径
崁合度区分：中
(注1)2级(注2)
下孔径
崁合度区分：中
(注1)2级(注2)
内螺纹小径
最小直径最大直径
M26×1.524.524.62(85%)24.37624.676
27×22525.2(85%)24.83525.210
27×1.525.525.62(85%)25.37625.676
27×12626.13(80%)25.91726.153
28×22626.2(85%)25.83526.210
28×1.526.526.62(85%)26.37626.676
28×12727.13(80%)26.91727.153
30×32727.2(85%)26.75227.252
30×22828.2(85%)27.83528.210
30×1.528.528.62(85%)28.37628.676
30×12929.13(80%)28.91729.153
32×23030.2(85%)29.83530.210
32×1.530.530.62(85%)30.37630.676
33×33030.2(85%)29.75230.252
33×23131.2(85%)30.83531.210
33×1.531.531.62(85%)31.37631.676
35×1.533.533.62(85%)33.37633.676
36×33333.2(85%)32.75233.252
36×23434.2(85%)33.83534.210
36×1.534.534.62(85%)34.37634.676
38×1.536.536.62(85%)36.37636.676
39×33636.2(85%)35.75236.252
39×23737.2(85%)36.83537.210
39×1.537.537.62(85%)37.37637.676
40×33737.2(85%)36.75237.252
40×23838.2(85%)37.83538.210
40×1.538.538.62(85%)38.37638.676
42×43838.1(90%)37.67038.270
42×33939.2(85%)38.75239.252
42×24040.2(85%)39.83540.210
42×1.540.540.62(85%)40.37640.676
45×44141.1(90%)40.67041.270
45×34242.2(85%)41.75242.252
45×24343.2(85%)42.83543.210
45×1.543.543.62(85%)43.37643.676
48×44444.1(90%)43.67044.270
48×34545.2(85%)44.75245.252
48×246
46.2(85%)
45.83546.210
48×1.546.546.62(85%)46.37646.676
50×34747.2(85%)46.75247.252
50×24848.2(85%)47.83548.210
50×1.548.548.62(85%)48.37648.676
注(1)等级：6H
(2)基于JISB0211-1982标准
螺纹下孔径表
美制粗牙螺纹(单位：
mm)
螺纹尺寸钻头直径
2B级螺纹
下孔径
内螺纹小径
最小直径最大直径
NO.1-64UNC1.551.57(65%)1.4251.582
2-561.81.86(65%)1.6951.871
3-482.12.14(65%)1.9412.146
4-402.32.36(70%)2.1572.385
5-402.62.69(70%)2.4872.697
6-322.82.86(75%)2.6422.895
8-323.43.52(75%)3.3023.530
10-243.93.91(80%)3.6833.962
12-244.54.57(80%)4.3444.597
1/4-205.15.25(80%)4.9795.257
5/16-186.66.72(80%)6.4016.731
3/8-1688.15(80%)7.7988.153
7/16-149.49.50(80%)9.1449.550
1/2-1310.811.0(80%)10.59211.023
9/16-1212.212.3(85%)11.98912.446
5/8-1113.613.8(85%)13.38613.868
3/4-1016.516.8(80%)16.30716.840
7/8-919.519.6(85%)19.17719.761
1-822.222.5(85%)21.97122.606
11/8-72525.2(85%)24.63825.349
11/4-728.228.4(85%)27.81328.524
13/8-630.831.0(85%)30.35331.115
11/2-63434.2(85%)33.52834.290
13/4-539.539.8(85%)38.96439.827
2-445.245.3(90%)44.67945.593
螺纹下孔径表
美制细牙螺纹(单位：
mm)
螺纹尺寸钻头直径
2B级螺纹
下孔径
内螺纹小径
最小直径最大直径
NO.0
-80UNF
1.251.30(65%)1.1821.305
1-721.551.61(65%)1.4741.612
2-641.851.90(65%)1.7561.912
3-562.12.17(70%)2.0252.197
4-482.42.44(70%)2.2712.458
5-442.72.74(70%)2.5512.740
6-402.93.02(70%)2.8203.022
8-363.53.59(75%)3.4043.606
10-324.14.14(80%)3.9634.165
12-284.64.70(80%)4.4964.724
1/4-285.55.56(80%)5.3605.588
5/16-246.97.02(80%)6.7827.035
3/8-248.58.61(80%)8.3828.636
7/16-209.910.01(80%)9.72910.033
1/2-2011.511.60(80%)11.32911.607
9/16-1812.913.07(80%)12.75113.081
5/8-1814.514.65(80%)14.35114.681
3/4-1617.517.59(85%)17.32317.678
7/8-1420.520.6(85%)20.27020.675
1-1223.223.5(85%)23.11423.571
11/8-1226.526.7(80%)26.28926.746
11/4-1229.529.9(80%)29.46429.921
13/8-1232.833.0(85%)32.63933.096
11/2-123636.2(85%)35.81436.271
螺纹下孔径表
缝纫机螺纹(SM)(单位：
mm)
螺纹尺寸钻头直径
2B级螺纹
下孔径
2级内螺纹小径
最小直径最大直径
SM1/16-
80
1.251.28(75%)1.2111.281
5/64-641.551.57(80%)1.5131.593
3/32-1002.102.15(70%)2.0812.156
3/32-561.851.91(80%)1.8411.936
1/8-442.502.58(80%)2.4852.605
1/8-402.452.52(80%)2.4212.551
9/64-402.852.91(80%)2.8182.948
11/64-403.653.71(80%)3.6123.742
3/16-323.903.94(80%)3.8203.980
3/16-283.703.82(80%)3.6843.844
7/32-324.704.73(80%)4.6144.774
15/64-284.905.01(80%)4.8755.055
1/4-405.605.69(80%)5.5965.726
1/4-285.305.41(80%)5.2725.452
缝纫机螺纹(SM)(单位：
mm)
螺纹尺寸钻头直径
2B级螺纹
下孔径
2级内螺纹小径
最小直径最大直径
SM1/4-
24
5.105.25(80%)5.0865.266
9/32-286.106.20(80%)6.0666.256
9/32-205.705.82(80%)5.6345.824
5/16-286.906.00(80%)6.8607.050
5/16-246.706.84(80%)6.6746.864
5/16-186.306.38(85%)6.2546.444
3/8-288.508.58(80%)8.4478.637
3/8-187.907.97(85%)7.8438.053
7/16-2810.1010.17(80%)10.03410.224
7/16-169.309.36(85%)9.2209.440
1/2-2811.7011.76(80%)11.62211.812
1/2-2011.3011.38(80%)11.19011.410
1/2-1210.3010.36(85%)10.18010.420
螺纹下孔径表
英制粗牙螺纹(单位：
mm)、
切削速度与切削液
加工材料
切削速度（m/min）切削液
直槽丝攻螺旋丝攻先端丝攻钨钢丝攻无屑丝攻
高速同步丝
攻
管用丝攻油性
水溶性
(乳化液)
半干式干式
低碳素钢C0.25％以下8~138~1315~25－8~1327~323~6◎○△△
中碳素钢
C0.25～
0.45％
7~127~1210~15－7~1027~323~6◎○△△
高碳素钢C0.45％以上6~96~98~13－5~822~272~5◎○△△
合金钢SCM7~127~1210~15－5~822~272~5◎△△△
调质钢25～45HRC
3~5
(4~8)
3~5
(4~8)
4~6
(6~10)
－－－2~5◎△－－
不锈钢SUS4~75~88~13－5~10－3~6◎○－－
不锈钢
SUS630
SUS631
3~53~54~6－－－2~5◎－－－
工具钢SKD6~96~97~10－－－2~5◎－－－
铸钢SC6~116~1110~15－－17~222~5◎○－－
铸铁FC10~15－－10~20－－2~5◎○○○
球铸铁FCD7~127~1210~2010~20－－4~8◎○○－
铜Cu6~96~117~1210~207~1227~322~5○○－－
黄铜‧
黄铜铸件
Bs‧BsC10~1510~2015~2515~257~1227~325~10○○○○
青铜‧
青铜铸件
PB‧PBC6~116~1110~2010~207~12－6~11○○－－
变形
铝合金
AL10~2010~2010~25－10~20100~3005~10◎○△－
铝合金
铸件
AC‧ADC10~1510~1515~2010~2010~1580~30010~15◎○△－
镁合金MC7~127~1210~1510~20－－10~15◎○○－
锌铸件ZDC7~127~1210~1510~207~1227~10010~15◎○△－
热硬塑料
Thermo
Setting
Plastic
10~20－－15~25－－5~10－○○○
热可塑性
塑料
Thermo
Plastic
10~2010~1510~2010~20－27~325~10－○○○