ENGINEERING TOOLS

Online Precision Machining Tools

Review CAD data, tolerances, machining parameters and inspection requirements directly in your browser.

AVAILABLE NOW02
CADISORPMQC
05 TOOLS IN DEVELOPMENT

Browser-based tools for engineers, production teams and buyers who need to review CAD data, tolerances, machining parameters and inspection requirements.

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07tools
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CAD and drawings

Open, inspect and measure engineering data before sharing it or requesting a quote.

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Tolerances and fits

Look up dimensional limits and review fit relationships from defined inputs.

ISOAVAILABLE

ISO Fits and Tolerances

Select zone positions and IT grades separately to calculate limits, clearance, interference and fit type.

28 hole positions28 shaft positionsØ up to 500 mm
RaNEXT PRIORITY

Surface Roughness Converter

Convert Ra, Rz, µm, µin and N grades, with reference ranges for common machining processes.

Ra · Rzµm · µinN grades
NEXT PRIORITY
ΣIN DEVELOPMENT

Tolerance Stack Calculator

Combine multiple dimensions to calculate the nominal result and upper/lower limits using the worst-case method.

Worst-caseUpper limitLower limit
IN DEVELOPMENT
03

Machining parameters

Quick calculations for frequently used process-planning parameters.

MIN DEVELOPMENT

Thread and Tap Drill Lookup

Look up pitch, tap-drill diameter and essential data for metric, UNC and UNF threads.

MetricUNC · UNFTap drill
IN DEVELOPMENT
RPMIN DEVELOPMENT

Cutting Speed, RPM and Feed Calculator

Calculate spindle speed, feed per tooth and feed rate from tool, workpiece and cutting-speed inputs.

Vc · RPMfzFeed rate
IN DEVELOPMENT
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Inspection and quality

Structure inspection information before a drawing enters production.

QCIN DEVELOPMENT

Inspection Checklist Builder

Prepare balloon numbers, dimensions, tolerances, measuring instruments and inspection frequency, then export a production-ready form.

BalloonMeasuring toolExcel · PDF
IN DEVELOPMENT

ENGINEERING TOOLS

Have a drawing to review?

After checking your data with the online tools, send the drawing, material, quantity and technical requirements for VietTech to review the machining approach.REQUEST A QUOTE ↗