DCddmin =DCdd = 1.25 DCdd = 1.5 DCdd = 1.75 DCdd ≥2 DC
minSMAXae maxSMAXae maxSMAXae maxSMAXae maxSMAXae max
25250.141.3310.222.2380.333.0440.604.0500.705.0
32320.161.5400.332.8480.444.0560.705.0640.906.5
40400.222.0500.383.5600.555.0700.906.5801.158.0
50500.272.5630.504.5750.706.5881.008.01001.4010.0
63630.333.2800.605.5950.908.01101.4510.01251.8012.5
80800.554.01001.007.01201.4510.01402.1513.01602.6016.0
1001000.705.01251.209.01501.8012.51752.7016.52003.3020.0
1151150.856.01451.5010.01751.9014.52002.8019.02303.8023.0
1251250.906.51551.6011.01902.3015.52203.1020.02504.1025.0
1401401.007.01751.8012.52102.6017.52453.7023.02804.6028.0
1601601.208.02002.0014.02402.9020.02804.3026.03205.3032.0
1751751.308.82202.2015.52653.2022.03054.7029.03505.8035.0

* Check feed rate reduction when hole diameter is between d - 1.5 DC. min

a e max

Predrilled hole d