Screw Identifier - Bolt Size

Instantly identify screws, bolts, nuts, and washers with just a photo. Screw Identifier uses advanced AI to analyze any fastener and deliver precise specifications in seconds.


Whether you are a DIY enthusiast, professional contractor, mechanic, or hardware store employee, this app eliminates the guesswork from fastener identification.


INSTANT AI IDENTIFICATION

- Snap a photo of any screw, bolt, nut, or washer

- Get instant AI-powered identification with high accuracy

- Identify multiple fasteners in a single image

- Works with both metric and imperial fasteners


PRECISE MEASUREMENTS & SPECS

- Exact length, diameter, and thread pitch

- Head type classification (Phillips, hex, flat, Torx, socket, pan)

- Thread standard detection (UNC, UNF, metric coarse, metric fine)

- Material and finish identification (stainless steel, zinc, brass)

- Drive type recognition


COMPREHENSIVE FASTENER DATABASE

- Screws: wood screws, machine screws, self-tapping, drywall, deck screws

- Bolts: hex bolts, carriage bolts, lag bolts, eye bolts, U-bolts

- Nuts: hex nuts, lock nuts, wing nuts, cap nuts, flange nuts

- Washers: flat washers, lock washers, fender washers, spring washers

- Plus: rivets, anchors, pins, and specialty fasteners


SMART SIZE REFERENCE

- Use a coin or ruler as reference for accurate measurements

- Automatic scale calibration

- Size comparison charts included


AI ASSISTANT

- Ask any question about fasteners and get expert answers

- Tool compatibility recommendations

- Torque specifications and installation tips

- Material selection guidance


HISTORY & REPORTS

- Save all your scans in organized history

- Generate detailed PDF reports

- Share specifications with colleagues

- Build your fastener collection library


PERFECT FOR

- DIY home improvement projects

- Professional contractors and builders

- Auto mechanics and repair shops

- Hardware store employees

- Plumbers and electricians

- Furniture assembly

- Industrial maintenance

- Engineering and manufacturing


SUBSCRIPTION OPTIONS

- Weekly subscription with auto-renewal

- Lifetime access with one-time purchase


Payment will be charged to your Apple ID account at confirmation of purchase. Subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. You can manage and cancel your subscriptions by going to your App Store