D-H Limits for Standard Taps: Engineering Calculators | WIDIA

Calculate Standard Tap Sizes for Cutting Taps.

These calculations are based upon theoretical values and are only intended for planning purposes. Actual results will vary. No responsibility from Kennametal is assumed.

Tap Parameters
Metric
Inch

Tap Parameters

Machine Screw Sizes
SizeMajor Diameter
#00.060
#10.073
#20.086
#30.099
#40.112
#50.125
#60.138
#80.164
#100.190
#120.216
#140.242
inmm
TPImm
HD
%
Resuting Hole Size

Resuting Hole Size

inmm
inmm
inmm
inmm
inmm
inmm
inmm
inmm
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