FabEngineer Pro - Drill / Tap Chart Calculator (Rev 1.0)

Thread selection, drill recommendations, RPM, feed, and depth summary

Drill / Tap Chart Calculator - Rev 1.0

Tap drill lookup, clearance drill recommendations, metric support, material-based cutting speeds, drilling and tapping modes, smarter feed defaults, and search for FabEngineer Pro.

Inputs

Thread Standard

Operation Mode

Tap Size Search

Thread Series

Thread Size

Clearance Fit

Target % Thread

Thread % Presets

Cutting Speed / RPM / Feed

Material

Tool Type

Cutting Speed (SFM)

Cutting Speed (m/min)

RPM Based On

Feed per Rev (IPR)

Feed per Rev (mm/rev)

Tap Depth Helper

Hole Type

Material Thickness (in)

Extra Drill Depth (in)

Standard tap drill values are common shop recommendations. Custom tap drill is estimated from major diameter and pitch using the selected percent thread. Speed and feed defaults are starting points only and should be adjusted for machine rigidity, coolant, depth, and tool geometry.

Results

Thread Callout

—

Standard Tap Drill

—

Custom Tap Drill

—

Clearance Drill

—

Calculated RPM

—

Calculated Feed

—

Depth Recommendation

—

Selected Drill Diameter

—

Item	Drill / Ref	Diameter (in)	Diameter (mm)	Notes
No calculation yet.

No summary yet.

Select a thread and click Calculate.