new high quality 3 point internal micrometer with Measurement Range:12--16m and 16--20mm
وصف
Product Features:
1、Model: QLR--12 and QLR--16
2、Measurement Range: 12--16mm and 16--20mm
3、Accuracy: ±0.004mm
4、Proofreading ring:Φ16mm
5、L1:80 mm
A : 0.5mm
6、Extension rod :150mm
plese look the picture for more information
suitable to accurately measure the inside diamete of the blind hole and the through holes .
carbide measuring faces; Ratchet.
with a proofreading ring.
with a extension rod
paint plated on surface of the product