51 In 1 Bolt Size Finder And Thread Checker With 32 Metric And 32 SAE Gauges, 19 Drill Bit Check Holes, CNC Machined Aluminum Screw Size Chart, Go No Go ANSI Standard, Non Slip Base For DIYers And Pros

51-in-1 Bolt Size Finder and Thread Gauge CNC Tool
✔️ 16M/16N threads, 19 drill gauges, CNC 6061 aluminum

This compact, CNC-machined tool bundles 16 metric and 16 imperial thread sizes plus 19 drill-hole gauges into one sturdy aluminum body. It's a go-to helper for mechanics, woodworkers, fabricators, and DIYers sizing fasteners and drills in workshops and on-site jobs.

✅ 16 metric and 16 imperial thread sizes + 19 drill gauge holes
✅ CNC-machined aluminum 6061 body with SUS304 bolt for durability
✅ 15 cm and 6 inch rulers on both sides for quick measurements
✅ Covers metric M3-M14 and imperial #4-1/2" threads, plus drill bits 1/16"-1/2"

💡 What is a bolt size finder and thread checker used for in mechanical assembly projects? A handy tool to quickly verify bolt sizes and drill gauges to prevent wrong fasteners on a job site.

- Quick size checks for installations and repairs - Handy for workshop setups and field service - Helps ensure correct fastener and drill bit selection - Speeds up work and reduces returns due to wrong sizes