Product Information
Contains six 3/64 diameter side-drilled through-holes at distances of .25 to 2.75 in .25 increments. MTDs are engraved near both scan edges on one face. In accordance with MIL-STD-271G Figure 9, and NAVSHIPS Specification 0900-006-3010/Section 6. Also known as a Mare Island block. This block is surface ground to a 32 Ra finish on all surfaces, and the steel version is nickel-plated.
- Dimensions: 12.000 x 3.000 x 1.250
- Also available: a Navy version (3020 block) with rougher scanning surfaces (125 to 250 Ra max), and an extra hole at .125 MTD.
- Optional Hardwood Case available
Metric Versions available.
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