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Quick Reference
Point. Scan. Done. ScrewBolt ID identifies any bolt or machine screw from a photo — thread pitch, tap drill, clearance holes, and buy links. In seconds.
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Everything you need
What it does
One photo. Instant identification — type, head style, drive, thread system, designation string, and drill sizes in seconds.
Two-photo scan with on-screen thread pitch verification. Credit card calibration. Lock your spec with physical confidence.
Technical drawings with K, H, Ø, and P callouts scaled to your actual screen. Hold the fastener next to the diagram to verify.
NEWAsk anything — thread compatibility, torque specs, drill sizes, material grades. Powered by AI, built for the trades.
NEWInstant tap drill and clearance hole sizes — close, normal, and loose fit — for every metric and imperial standard.
Thread Pitch Ruler and Edge Caliper calibrated to your device's screen. Measure without touching a tool to your phone.
NEW37+ standards offline — Metric, Imperial UNC/UNF, and NPT/BSPT pipe threads. No internet required.
One tap to Amazon, Home Depot, Lowe's, McMaster-Carr, and Grainger. Get exactly what you need.
Input any fastener and instantly get the closest metric, imperial, or thread variant match — scored as Direct substitute, Close but check fit, or Not compatible.
Look up proof load, tensile strength, and yield strength for any SAE or metric grade — from SAE 2 to Grade 12.9. Know exactly what your fastener can handle before you torque it down.
The AI Fastener Assistant answers any question about thread compatibility, drill sizes, torque specifications, material grades, and installation best practices. Built for mechanics, machinists, and tradespeople who need the right answer fast.
Who it's for
ID mystery fasteners on any vehicle. No more wrong-bolt runs.
Identify vintage machine hardware. Verify thread pitch on the spot.
Stop buying three sizes. Get the right replacement the first time.
ID non-standard fasteners on commercial equipment. Fast.
Mixed metric and imperial hardware on vintage builds. Sorted.
Verify specs in the field. Engineering diagrams at actual scale.
How it works
Open Quick ID and aim at any fastener — in a parts bin, on a machine, at the hardware store. The app identifies head type, drive, and thread system instantly.
Quick ID ModeTop 3 matches ranked by confidence. Tap any candidate to enter Exact Mode and physically verify the thread pitch using the on-screen gauge.
Top 3 Candidates · AI AnalysisConfirm and lock. Tap drill, clearance holes, buy links to 5 retailers, and an engineering diagram scaled to your screen — all in one place.
Exact Mode · Verified ✓Thread compatibility question? Grade substitution? Pipe thread vs machine thread? The Fastener Assistant answers anything — offline reference data plus conversational AI in one app.
AI Fastener Assistant · New
Accuracy-First Fastener Identification
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