190 Piece Pin Gauge Set for Machinists Go No Go Master Kit Hardened Steel with Aluminum Case Checks Hole Sizes 0.061 to 0.250 Inches Slot Widths Keyways V Groove Alignment Drill Runout Caliper and Micrometer Calibration Tools

190-Piece Pin Gauge Set for Machinists - Go/No-Go Kit
✔️ Hardened bearing steel (60-62 HRC) in an aluminum case; checks holes, slots, keyways

This precision pin gauge and go/no-go inspection set is used in machine shops and QC labs to verify hole sizes, slot widths, keyways, and V-groove alignment, ensuring drill runout and milling setup accuracy.

Paragraph 3: ✅ Hole size range: 0.061"-0.250", Go-End 0.2500"-0.2502", No-Go-End 0.2548"-0.2550"
✅ Go-End (0.2500"-0.2502") and No-Go-End (0.2548"-0.2550")
✅ Hardened bearing steel (60-62 HRC) with ≤10 μm finish
✅ Tight tolerances ±0.0002" and ±0.01" stability over 2" length
✅ Laser-etched sizes stay visible under heavy use
✅ Foam-lined aluminum case for organized, protected storage
✅ Useful for machinists & QC inspectors for hole position, gear grooves, and cutter alignment

💡 What is a pin gauge set used for in precision machining and quality control? hole size verification and go/no-go checks for precision fits - hole size verification and go/no-go checks for precision fits - slot width and keyway alignment inspection for machinist work - drill runout checks and caliper/micrometer calibration - V-groove alignment and dovetail slot verification for accurate setups

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