Precise 2-3" Disc Type Micrometer - 4200-0224

• .0001" graduation.
• Accuracy: ±.0001”
• Discs are .787" in diameter and 0.3" thick at the edge.
• Measuring discs are hardened , ground and micro-lapped for greater accuracy.
• Positive locking clamp with ratchet stop.
• Satin-chrome for easy reading.
• For measuring narrow grooves & other recessed features from 0.03" thick.
• Measures root tangent length of spur gears and helical gears.
• Supplied in a fitted case.

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