END MILL PRICELIST EFFECTIVE 9/1/24

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TECHNICAL DATA
Taps & Dies

Glossary of Terms
Speeds Information
Speeds For Inch Taps
Speeds For Metric Taps
Minor Diameters of Tap Holes
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Minor Diameters of Tap Holes

Figures Shown are Actual and Make No Allowance for the Tap Drill Cutting Oversize
Size Threads
Per
Inch
Basic
Minor
Diam.
Minor Diameter of Tapped Holes
Leaving Thread Engagement of:
*83-1/3%75%70%65%60%
080.0438.0465.0479.0486.0494.0502
156.0498.0537.0556.0568.0580.0591
164.0527.0561.0578.0588.0599.0609
172.0550.0580.0595.0604.0613.0622
256.0628.0667.0686.0698.0710.0721
264.0657.0691.0708.0718.0729.0739
348.0719.0765.0788.0801.0815.0828
356.0758.0797.0816.0828.0840.0851
436.0759.0820.0850.0868.0886.0904
440.0795.0850.0877.0893.0909.0926
448.0849.0895.0918.0931.0945.0958
540.0925.0980.1007.1023.1039.1056
544.0955.1005.1029.1044.1059.1073
632.0974.1042.1076.1096.1117.1137
640.1055.1110.1137.1153.1169.1185
832.1234.1302.1336.1356.1377.1397
836.1279.1340.1370.1388.1406.1424
1024.1359.1450.1495.1522.1549.1576
1032.1494.1562.1596.1616.1637.1657
1224.1619.1710.1755.1782.1809.1836
1228.1696.1774.1813.1836.1859.1882
1420.1770.1879.1933.1966.1998.2031
1424.1879.1970.2015.2042.2069.2096
1/420.1850.1959.2012.2046.2078.2111
1/428.2036.2114.2153.2176.2199.2222
5/1618.2403.2524.2584.2620.2656.2692
5/1624.2584.2675.2720.2747.2774.2801
3/816.2938.3074.3142.3182.3223.3263
3/824.3209.3300.3345.3372.3399.3426
7/1614.3447.3603.3680.3726.3772.3819
7/1620.3726.3834.3888.3921.3953.3986
1/213.4001.4168.4251.4301.4351.4401
1/220.4351.4459.4513.4546.4578.4611
9/1612.4542.4724.4814.4868.4922.4976
9/1618.4903.5024.5084.5120.5156.5192
5/811.5069.5267.5365.5424.5483.5542
5/818.5528.5649.5709.5745.5787.5817
3/410.6201.6418.6526.6591.6656.6721
3/416.6688.6824.6892.6932.6973.7013
7/89.7307.7548.7668.7740.7812.7884
7/814.7822.7978.8055.8101.8147.8194
18.8376.8648.8783.8864.8945.9026
114.9072.9228.9305.9351.9397.9444
1-1/87.9394.9705.9859.99511.00441.0137
1-1/8121.01681.03491.04391.04931.05471.0601
1-1/471.06441.09551.11091.12011.12941.1387
1-1/4121.14181.15991.16891.17431.17971.1851
1-3/861.15851.19471.21271.22351.23431.2451
1-3/8121.26681.28491.29391.29931.30471.3101
1-1/261.28351.31971.33771.34851.35931.3701
1-1/2121.39181.40991.41891.42431.42971.4351
* This figure is the minimum minor diameter allowable on tapped holes as it is equal to the maximum minor diameter of the corresponding ring gauge.