Depth Micrometer Replacement Rod For 3 To 4 Inch Range Hardened Ground And Lapped For Permanent Accuracy Built To Last Pro Grade Durable Use In Industrial Workshop Settings Fits Series 440 PT99334

Depth Micrometer Rod for 3 to 4 Inch Range (Single Rod)
✔️ 0.125 in dia (3.18 mm) rod, 0.125-40 thread, for Starrett depth gauges

This replacement depth micrometer rod extends the measuring reach of Starrett 440, 440M, 445, and 445M depth gauges, allowing precise depth measurements of holes, slots, shoulders, and projections. Ground and hardened for permanent accuracy, it's built to endure tough industrial use.

✅ 0.125 in diameter (3.18 mm) rod with 0.125-40 thread for compatibility
✅ Hardened steel, ground and lapped finish for durability and precision
✅ Fits Starrett 440, 440M, 445, 445M depth gauges
✅ Depth range of 3 to 4 inches (76.2-101.6 mm)
✅ Made in USA, built for long life in harsh shop environments

💡 What is this depth micrometer rod best used for?

Handy accessory that extends depth-measuring reach and keeps readings tight in busy shops.

- Extends depth measurement range on compatible gauges for holes, slots, and shoulders
- Ground and hardened for lasting accuracy in daily use
- Fits Starrett 440 series via 0.125-40 thread for quick replacement
- Durable for automotive, manufacturing, and metalworking tasks