15/16－14UNS一2A螺纹外径大小牙深多少？ 美制螺纹(1-14UNS-2A)转换为公制螺纹的尺寸是多少
\u8bf7\u655915/16-14UNS-1A,15/16-14UNS-2A\u7684\u87ba\u7eb9\u73af\u89c4\u4e2d\u5f84\u5c3a\u5bf8\u548c\u504f\u5dee\u503c
\u5355\u4f4d in
Z\u89c4\u4e2d\u5f84\u5c3a\u5bf8\u5e94\u8be5\u5706\u6574\u52304\u4f4d\u5c0f\u6570 \u4e2d\u5f84\u548c\u5c0f\u5f84\u504f\u5dee\u90fd\u662f+\u7684
\u81ea\u5df1\u6362\u7b97mm\u5427
\u516c\u5236/\u7f8e\u5236/\u82f1\u5236\u87ba\u7eb9\u5bf9\u7167\u8868
A\u578b\u7f8e\u5236\u87ba\u7eb9\uff08UNF\uff09\u5e38\u7528\u89c4\u683c \u5916\u87ba\u7eb9 \u5185\u87ba\u7eb9
-4 9/16"-19\u7259 14.28 13.08 -6 11/16''-16 17.46 16.1 -8 13/16''-16 20.64 19.28 -10 1''-14 25.40 23.57
-12 1(3/16)''-12 30.00 28.32 -16 1(7/16)''-12 36.51 34.67 -20 1(11/16)''-12 42.86 41.02
C\u578bJIC37\u5ea6\u7f8e\u5236UNF\u87ba\u7eb9\u5e38\u7528\u89c4\u683c -4 7/16\u201d-20 11.11 10.03 -5 1/2\u201d-20 12.70 11.32 -6 9/16\u201d-18 14.28 13.08 -8 3/4\u201d-16 19.00 17.68 -10 7/8\u201d-14 22.22 20.68 -12 1(1/16)"-12 26.98 25.15 -16 1(5/16)"-12 33.33 31.5 -20 1(5/8)"-12 41.28 39.44 -24 1(7/8)"-12 47.62 45.8 -32 2(1/2)"-12 63.5 61.67
\u82f1\u5236\u5706\u67f1\u7ba1\u87ba\u7eb9\uff08BSPP\uff09\u5e38\u7528\u89c4\u683c -4 1/4\u201d-19 13.157 11.55 -6 3/8\u201d-19 16.662 14.95 -8 1/2\u201d-14 20.955 18.63 -12 3/4\u201d-14 26.441 24.11 -16 1\u201d-11 33.249 30.29 -20 1(1/4)''-11 41.91 38.95
\u82f1\u5236\u5706\u9525\u7ba1\u87ba\u7eb9\uff08BSPT\uff09\u5e38\u7528\u89c4\u683c \u57fa\u9762\u5927\u5f84 \u57fa\u51c6\u8ddd\u79bb 1/4\u201d-19 13.157 6 3/8\u201d-19 16.662 6.4 1/2\u201d-14 20.955 8.2 3/4\u201d-14 26.441 9.5 1\u201d-11 33.249 10.4 1(1/4)''-11 41.91 12.7
\u7f8e\u5236\u5706\u9525\u7ba1\u87ba\u7eb9\uff08NPT\uff09 1/8\u201d-27 10.24 4 1/4\u201d-18 13.60 4
小径按如下公式计算：
螺距：P=1英寸（25.4）/每英寸牙数=25.4/14=1.814毫米
牙形角：60°
三角形高度：H=0.866025P
大径（公称直径）：D
小径：K=D-1.25H
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