The Mitutoyo 293‑666‑20 delivers a premium, professional-grade measurement experience, balancing innovation, durability, and tactile excellence. From the smooth spiral thimble to the reliable ABS sensor and rugged construction—it’s an instrument built to inspire confidence and perform under pressure.
 
 
✅ Key Features
Measuring Range: 0–30 mm
Resolution: 0.001 mm
Accuracy: ±2 µm (0.002 mm)
Spiral Thimble: Fast spindle travel (QuickMike) – 10 mm per rotation, making it much faster than standard micrometers
ABS Rotary Sensor: Maintains zero even after shutdown—no need to re-zero
Ratchet Stop + Non-Rotating Spindle: Ensures consistent, repeatable measurements
Heat Shield: Prevents body heat from affecting measurements—ideal for extended use
Carbide Measuring Faces: For wear resistance and long-term durability
Digimatic Output: Connects to SPC systems for digital data collection
IP65 Protection: Resistant to coolant, oil, dust, and water—ready for harsh environments
Battery Life: Up to 5 years (SR44 battery)
 
 
🧰 In the Box
Micrometer unit
Heat-shield
Standard setting gauge (if applicable)
Wrench
SR44 battery (installed)
Storage case
Inspection certificate
 
 
🛠 What It Feels Like to Use
The spiral thimble glides quickly, reducing fatigue and saving time. The smooth ratchet delivers consistent tactile feedback. The large LCD provides crisp, clear readings that boost confidence in every measurement. It feels like a serious tool built for professionals who won’t compromise on precision.
 
 
🎯 Ideal For
Machinists & Engineers – for fast inspections with no compromise on accuracy
Quality Control – traceable, digital, and consistent readings
Toolmakers & Aerospace Technicians – ideal in environments with coolant or metal dust
Serious Hobbyists – investing in long-term reliability and pro-grade tools