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Thread Calculator
Tools
Standard Limits & Fits
ANSI/ISO-style clearance and interference fit calculator for cylindrical assemblies.
Inputs
Nominal Size (in)
Fit Classification
RC3 - Precision Running Fit
RC5 - Medium Running Fit
RC7 - Free Running Fit
LC1 - Locational Clearance Fit
LN2 - Locational Interference Fit
FN1 - Light Drive Fit
FN3 - Heavy Drive Fit
Calculate
Reset
Note:
Tolerances are derived from standard continuous mathematical models mimicking ANSI B4.1 tables for demonstration.
Results
Hole Maximum
+0.0000
0.0000"
Hole Minimum
-0.0000
0.0000"
Shaft Maximum
+0.0000
0.0000"
Shaft Minimum
-0.0000
0.0000"
Max Clearance / Min Interference
0.0000"
Min Clearance / Max Interference
0.0000"