Guided identification
Move through fastener group, type, details, thread system, and measurement in a clear sequence.
Fastener identification
Thread ID
Available now on the App Store
A guided fastener identification tool for engineers, technicians, mechanics, and tradespeople who need the right information quickly.
The idea
Fastener identification should not require guesswork, scattered reference charts, or a reliable internet connection. Thread ID turns the process into a clear sequence of practical choices and measurements.
Designed for
EngineersTechniciansMechanicsTradespeopleDIY builders
What it does
A focused tool for a specific job.
Metric and imperial
Compare common metric and imperial standards without jumping between separate references.
Practical results
See the most likely match, confidence, useful dimensions, common markings, and practical context.
Works offline
Use the core identification workflow in workshops, engine rooms, and remote areas.
How it works
From problem to useful answer.
Choose the family
Start with the broad fastener group and select the closest visual type.
Add details
Answer focused questions about the head, drive, thread, and measurement method.
Review the match
See the most likely identification with dimensions, context, and the reasoning behind the result.
Inside the app
A clear guided workflow.
How-to videos
Practical guides, organized by task.
Video walkthroughs are being prepared and will live here as each guide is completed.
Identify your first fastener
A start-to-finish walkthrough of the six-step identification flow.
Measure diameter and length
How to use a caliper, steel ruler, or an estimate when gathering dimensions.
Understand your result
How confidence, thread system, pitch, markings, and practical insight work together.
Put Thread ID to work.
Download Thread ID from the App Store and identify fasteners wherever the job takes you.
Download on the App Store