Precision Ruby Ball Contact Point For Dial Test Indicator With M1.4x0.3 Thread And 0.040 Inch Ball 1/2 Inch Length Ruby Tip For Delicate Silicon Carbide Surfaces Non Magnetic Non Conductive For EDM Compatible With Brown Sharpe 599-7030-40R

Ruby Ball Dial Indicator Tip, 1pc, 0.040 inch ball
✔️ M1.4x0.3 thread; 0.040 in ruby ball; 1/2 in length

This precision ruby ball contact point is designed for dial test indicators, especially in EDM environments. It features a lightweight ruby tip that minimizes wear and supports stable readings on delicate silicon carbide surfaces.

✅ Ball diameter: 0.040 in (1.016 mm) ruby ball for light touch
✅ Ball length: 1/2 in (12.7 mm) for stability in measurement
✅ Thread shank: M1.4x0.3 fits standard DTI tips
✅ Non-magnetic, non-conductive for EDM and sensitive surfaces
✅ Compatible with Brown & Sharpe Bestest Dial Test Indicator

💡 What is a dial test indicator ruby ball contact point used for in precision measurement and EDM work?

These tips are handy for accurate readings where delicate surfaces and electrical considerations come into play.

• Used to probe precise spots on silicon carbide and other hard materials
• Reduces wear and drift for repeatable measurements
• Non-magnetic, non-conductive design avoids interference in EDM setups
• Works with standard dial indicators for precise alignment