螺紋底孔直徑參考——公制細(xì)牙螺紋

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1、螺紋底孔直徑參考——公制細(xì)牙螺紋螺紋代號(hào)鉆頭直徑ASP60CCarbideM24*1.522.5—M24*1.023.0—M25*2.023.0—M25*1.523.5—M25*1.024.0—M26*1.524.5—M27*2.025.0—M27*1.525.5—M27*1.026.0—M28*2.026.0—M28*1.526.5—M28*1.027.0—M30*3.027.0—M30*2.028.0—M30*1.528.5—M30*1.029.0—M32*2.030.0—M32*1.530

2、.5—M33*3.030.0—M33*2.031.0—M33*1.531.5—M35*1.533.5—M36*3.033.0—M36*2.034.0—M36*1.534.5—M38*1.536.5—M39*3.036.0—M39*2.037.0—M39*1.537.5—M40*3.037.0—M40*2.038.0—M40*1.538.5—M42*4.038.0—M42*3.039.0—M42*2.040.0—M42*1.540.5—M45*4.041.0—M45*3.042.0—M45*2.0

3、43.0—M45*1.543.5—M48*4.044.0—M48*3.045.0—M48*2.046.0—M48*1.5465—M50*3.047.0—M50*2.048.0—M50*1.548.5——螺紋代號(hào)鉆頭直徑ASP60CCarbideNo.1-64UNC1.55—No.2-56UNC1.80—No.3-48UNC2.10—No.4-40UNC2.30—No.5-40UNC2.60—No.6-32UNC2.80—No.8-32UNC3.40—No.10-24UNC3.90—No.12-2

4、4UNC4.50—1/4-20UNC5.10—5/16-18UNC6.60—3/8-16UNC8.00—7/16-14UNC9.40—1/2-13UNC10.80—9/16-12UNC1220—5/8-11UNC13.60—3/4-10UNC1650—7/8-9UNC19.50—1-8UNC22.20—11/8-7UNC25.00—?螺紋代號(hào)鉆頭直徑ASP60CCarbideNo.0-80UNF1.25—No.1-72UNF1.55—No.2-64UNF185—No.3-56UNF2.10—No

5、.4-48UNF2.40—No.5-44UNF2.70—No.6-40UNF2.90—No.8-36UNF3.50—No.10-32UNF4.10—No.12-28UNF4.60—1/4-28UNF5.50—5/16-24UNF6.90—3/8-24UNF8.50—7/16-20UNF9.90—1/2-20UNF11.50—9/16-18UNF12.90—5/8-18UNF14.50—3/4-16UNF17—7/8-14UNF20.50—1-12UNF23.20—