Mitutoyo BM1 Series - Gauge Block Grades and Accuracy; Standard Gauge Block Sets

10
1 Overview
No. 99MAK004B
■ Grades of Gauge Blocks
Grades that indicate the dimensional accuracy (for example, Grade K, Grade 0,
Grade 1, and Grade 2 in the JIS standard) are set for the Gauge Blocks. Select
an appropriate grade according to the accuracy required for your application.
For details about the dimensional accuracy, see
"Grade and Application"
and "ACCURACY SPECIFICATIONS" in "MEASURING INSTRUMENTS CATA-
LOG / Gauge Blocks" or the relevant standards (ISO/JIS/DIN/BS/ASME) in each
country.
Grades and applications (from MEASURING INSTRUMENTS CATALOG)
Application Grade
Reference use
Checking the accuracy of Gauge Blocks for
calibration. For academic research
K
Calibration use
Checking the accuracy of Gauge Blocks for
workshop/inspection. Checking the accuracy
of measuring tools
K or 0
Inspection use
Checking the accuracy of gages. Calibrating
measuring tools
0 or 1
Inspecting mechanical parts, tools, etc. 1 or 2
Workshop use
Manufacturing gages. Calibrating measuring
tools
1 or 2
Mounting tools and cutters 2
■ Contents of a Gauge Block set
A set is composed of Gauge Blocks with various nominal sizes. Wring Gauge
Blocks together to obtain the desired dimension.
Examples of standard sets:
BM1-112 (112-piece set) BM1-8R (8-piece set)