Mitutoyo 293-666-20 Digital Absolute Micrometer QuickMike 0-30mm

The Mitutoyo 293-666-20 is a coolant-proof QuickMike digital micrometer covering 0–30
mm, with a spindle feed 20 times faster than a standard micrometer and a larger range
than the usual 25 mm.

Part No. 293-666-20 | Range 0 – 30 mm

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Winding a standard micrometer thimble closed on every single measurement adds up across a

shift of repetitive checks. The Mitutoyo 293-666-20 QuickMike addresses this with a non-
rotating spindle that feeds 10 mm per revolution — roughly twenty times faster than a

conventional micrometer — while still measuring the full 0–30 mm range.
The gauge is rated IP65 for resistance to water and dust, so it can be used directly on the
machine near splashing coolant without being damaged, rather than requiring parts to be dried
and moved to a separate inspection bench. The ABSOLUTE linear scale means the display
always shows a correct reading from power-on, with no origin-setting step and no restriction on
how fast the spindle is adjusted.
At 30 mm rather than the more common 25 mm range, this QuickMike also covers slightly
larger parts than a standard micrometer of the same nominal size, reducing the number of
separate micrometers a shop needs to stock.
For larger outside dimensions beyond 30 mm, the same QuickMike range continues in the
Mitutoyo 293-679-20, covering 3′′–4.2′′ (76.2–106.68 mm).

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Key Benefits

• Spindle feeds 10 mm per revolution — about twenty times faster than a standard
  micrometer thimble
  
• IP65-rated resistance to water and dust means it can be used near coolant spray on the machine
  
• ABSOLUTE linear scale removes the need to reset the origin point every time it's switched on
  
• Larger 30 mm range covers more parts than a standard 25 mm micrometer of the same class
  
• Non-rotating spindle and carbide-tipped measuring surfaces protect part finish during measurement
  

Who This Product Is Best For

• Machine shops doing high-volume repetitive outside-diameter checks who want to cut cycle time per measurement
  
• Inspectors working near coolant spray who need a gauge that tolerates splashing fluid
  
• QC teams standardising on QuickMike micrometers for faster, more consistent shop-floor measurement
  
• Buyers who want one gauge to cover slightly larger parts than a standard 25 mm
  micrometer
  

How to Measure With This Micrometer

1. Switch the micrometer on; the ABSOLUTE linear scale is ready immediately with no origin-setting step.

2. Feed the spindle onto the part — 10 mm of travel per revolution gets you to contact quickly.
3. Read the value directly from the digital display once the spindle contacts the part.

Frequently Asked Questions

What range does the Mitutoyo 293-666-20 measure?

The 293-666-20 measures outside dimensions from 0 to 30 mm.
What does IP65-rated mean for this micrometer?
IP65 means the gauge resists water jets and dust ingress, so it can be used in machining
environments with splashing coolant without being damaged.
How much faster is the QuickMike spindle than a standard micrometer?
The spindle feeds 10 mm per revolution, roughly twenty times faster than a standard
micrometer thimble, which speeds up repetitive measurement work.
What comes with this micrometer?
The unit ships with a storage box and one battery, plus a setting standard for models from 25mm upward.
How long does the battery last?
Approximately 5 years under normal use.
Which QuickMike should I choose for larger parts?
The 293-679-20 covers 3′′–4.2′′ (76.2–106.68 mm) in the same QuickMike family, for parts
beyond this gauge's 30 mm range.
Can this gauge be calibrated after purchase?
Yes, through a 17025-accredited calibration service to maintain measurement accuracy over
time.

For pricing or to place an order, contact General Tech Services LLC. Call+97165436933