Micrometer check set Grade 1

• Manufactured from specially selected high quality, age hardened, alloy steel
• Suitable for calibrating micrometers & calipers upto 250mm
• Set includes 11 Steel Gauge Blocks ISO3650
• Supplied with a UKAS Calibration Certificate
• Set includes the following individual Gauge Blocks:
3.1, 6.5, 9.7, 12.5, 15.8, 19.0, 21.9, 25, 50, 75 & 100mm
• The individual Gauge Block sizes in the set have been selected to check the accuracy of the
micrometer spindle and measuring faces at 5 different rotational positions between
0–25mm ensuring accuracy of the screw and parallelism of the contact faces
• Supplied complete in fitted wooden box