Technical Data:
Series: 516
Product type: Individual Metric Square Gage Block
Standard: ASME B89.1.9-2023
Material: Steel
Grade: AS-1
Nominal length: 15 mm
Limit deviation of length at any point, +/-te: +/-0.3 um
Tolerance for variation in length, tv: 0.16 um
Certificate: Inspection Certificate

Dimensions:
Square gage-block section=24.1 +/-0.1 mm x 24.1 +/-0.1 mm
Side land / measuring-face reference=6.7 +/-0.1 mm on both sides
Center hole / coupling geometry applies by nominal-length group as shown in the catalogue.
Nominal-length group=15 - 500 mm
Catalogue drawing shows center-hole geometry with Dia.9.3 mm and 77 +/-2 deg reference.

Remark:
Grade K is not offered for individual square gage blocks in this catalogue. Custom metric square lengths from 0.5 to 500 mm are available by request.