Clearance Hole Calculator
Calculate a simple clearance hole size from nominal fastener diameter and clearance allowance.
Open CalculatorThreading Calculators
Tap drill size, pitch, thread depth, TPI and clearance calculations.
Pitch to TPI Calculator
Convert metric thread pitch to threads per inch.
Open CalculatorTap Drill Size Calculator
Calculate a basic metric tap drill size from nominal diameter and pitch.
Open CalculatorThread Depth Calculator
Calculate basic metric external thread radial depth from pitch.
Open CalculatorThread Major Diameter Calculator
Calculate major diameter from nominal size and tolerance allowance.
Open CalculatorThread Percentage Calculator
Calculate thread percentage from actual thread height and theoretical thread height.
Open CalculatorTPI to Pitch Calculator
Convert threads per inch to metric thread pitch.
Open CalculatorThreading calculators for tap drill size, thread pitch, TPI, thread depth, clearance holes and thread dimensions. Use these tools with the relevant drawing, tooling data, machine limits and process information for the job.