55 Thread Checker Kit For Nut And Bolt Size Finder With Standard And Metric Thread Gauges Including 20 Standard 16 Metric And 19 Drill Gauges For Inch And Metric Bolt Threads Easy Go No Go Style Identifier

55-Thread Checker Kit for Inch and Metric Bolt Threads
✔️ 16 metric (M3x0.5 to M16x2.0), 20 imperial (thread sizes), 19 drills

This 55-piece thread checker kit is built from 6061 aluminum with durable SUS304 pillars. Laser-etched markings ensure easy readability and long-lasting use. It identifies bolt and nut sizes to ANSI Class 2B Go/No-Go standards, making it ideal for automotive, machine shops, and DIY work.

✅ Size ranges: metric M3x0.5 to M16x2.0 (3-16 mm; 0.118-0.630 in) and imperial #4-40 to 3/4-16 (2.84-19.05 mm; 0.112-0.750 in)
✅ Laser-etched 6 in / 150 mm and 15 cm rulers on the edge
✅ Four non-slip feet and two hanging holes for stable bench placement
✅ Easy to use: simply match nuts and bolts to slots for exact size and pitch
✅ Lightweight, portable kit with precise machining for reliable use
✅ Includes 19 drill gauges for accurate drill size identification

💡 What is a thread gauge used for in identifying bolt sizes and pitches?

• A handy tool to quickly identify bolt, nut, and screw thread size and pitch, so you can grab the right replacement fast.
• Helps verify metric and inch standards to prevent cross-threading and wasted parts.
• Perfect for automotive shops, machine shops, and DIY projects where accurate sizing saves time and hassle.