Micrometer Calibration Gauge Block Set (10pcs + 1 Optical Flat) Grade 1, DASQUA

Professional micrometer calibration gauge block set (Grade 1) by DASQUA, specially designed for inspecting, calibrating, and verifying the accuracy of outside micrometers. Features 10 high-precision rectangular gauge blocks along with 1 glass optical flat (Ø30mm). The optical flat enables precise inspection of anvil and spindle measuring faces for flatness and parallelism at half-turn increments of the micrometer spindle.

Set Contents (11 pieces total):

• 10 Rectangular Gauge Blocks (Grade 1): 2.5mm, 5.1mm, 7.7mm, 10.3mm, 12.9mm, 15.0mm, 17.6mm, 20.2mm, 22.8mm, 25.0mm.

• 1 Glass Optical Flat: Ø30mm for optical flatness verification.

Dimensions: Range (mm)