STM 1-2-3 & 2-4-6 Blocks
- Heat treated and case hardened to HRC 55-60 .
- Precision ground and case hardened.
- Surface finish 6–16 micro inches.
- 23 holes–5 are tapped in 3/8-16.
- Squareness: .0001"
- Parallelism: .0003"
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For more info, visit www.p65warnings.ca.gov.
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