a) spring bolt
1. Purpose: To bolt pierced through.
2. Requirements
- hole position Tolerance: For accuracy or brass plates with threaded hole plate should hold high.
- The tolerances on diameter size: No need high because not join the assembly. But should ensure larger diameter bolts, bolts for easy assembly.
- For example: Choose bolt O10 (mm) choose exact level of losses was 15 domain distribution D tolerances> diameter of the hole made from 10:04 ÷ 10.62 (mm).
3. Processing method: Drilling.
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