Pro DIY Bolt And Nut Thread Checker Kit With 40 Thread Gauges For 20 Standard And 20 Metric Sizes Wall Mountable Bolt Size Finder With Inch And Centimeter Ruler Go No Go ANSI Class 2B Precision That Eliminates Guesswork

Precision bolt and nut thread gauge kit with 40 sizes
✔️ 40 sizes: metric M2x0.4 to M16x2.0 and imperial #2-56 to 5/8-18

The wall-mountable bolt and nut thread checker is a CNC-machined tool that identifies internal and external thread sizes with ANSI Class 2B Go/No-Go precision. It’s ideal for shops, garages, and manufacturing lines where fast, accurate sizing eliminates guesswork.

✅ CNC-machined from 6061 aluminum with anodized finish for durability
✅ Identifies 40 sizes: metric M2x0.4 to M16x2.0 and imperial #2-56 to 5/8-18
✅ 15 cm and 6 in rulers on both sides for quick measurement
✅ Wall-mountable with hanging hole and four anti-slip silicone feet
✅ Go/No-Go ANSI Class 2B precision for accurate sizing of internal and external threads

💡 What is a bolt thread gauge used for in a workshop?

It's a handy tool to quickly verify thread size and pitch before mating parts in a project.

• Identify metric sizes from M2x0.4 to M16x2.0
• Identify imperial sizes from #2-56 to 5/8-18
• Go/No-Go ANSI Class 2B precision for accurate sizing
• Wall-mount design provides quick access in busy shops