Clearance Hole Calculator
Determine the recommended clearance hole size for bolts, screws, and fasteners. Based on standard ANSI/ASME clearance hole tables.
in
e.g., 0.375" = 3/8"
in
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Recommended Clearance Hole
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Fastener Dia
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Clearance Hole
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Clearance
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Fit Class
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type
Recommended Drill Bits
Closest standard drill bit sizes
Calculation Breakdown
Step-by-step clearance hole calculation
Clearance Hole Standards
ANSI/ASME clearance hole specifications
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Engineering Disclaimer: This calculator provides clearance hole recommendations based on standard ANSI/ASME tables. For critical applications, consult the appropriate engineering standards and consider material thickness, fastener strength, and joint requirements.