Engineering Standards Hub
How ISO, ASME, DIN, ANSI, JIS, and British standards families connect.
The standards hub explains how standards families connect across profile geometry, designation planning, dimensions, and tolerance interpretation instead of acting as a flat directory.
Use related standards and concepts to connect profile geometry, designation planning, dimensions, and tolerance interpretation.
Use BoltLab tools and charts for workflow interpretation while final release values come from approved standards documents.
What This Standard Covers
When Engineers Use It
Metric coarse pitch table (generated from verified dataset)
| Designation | Nominal diameter (mm) | Pitch (mm) |
|---|---|---|
| M6x1 | 6 | 1 |
| M10x1.5 | 10 | 1.5 |
Standards families
Standard relationships matrix
| Standard | Primary role | Reference route |
|---|---|---|
| ISO 261 | Preferred diameter and pitch combinations for metric threads. | /reference/iso-261-metric-thread-series |
| ISO 262 | Selected fine-pitch metric thread combinations. | /reference/iso-262-metric-thread-fine-series |
| ISO 68 1 | Basic profile geometry for ISO metric screw threads. | /reference/iso-68-thread-profile |
| ISO 724 | Basic dimensions framework for ISO metric thread geometry. | /reference/iso-724-thread-dimensions |
| ISO 965 1 | Tolerance principles and fit-class interpretation for metric threads. | /reference/iso-thread-tolerances-explained |
Thread designation lookup
| Standard code | Slug | Output type |
|---|---|---|
| ISO_261 | iso-261-metric-thread-series | Reference |
| ISO_262 | iso-262-metric-thread-fine-series | Reference |
| ISO_68_1 | iso-68-thread-profile | Reference |
| ISO_724 | iso-724-thread-dimensions | Reference |
| ISO_965_1 | iso-thread-tolerances-explained | Reference |
Related Standards
Related Concepts
Related tools and charts
Related References
FAQ
How is this standards hub different from a list of links?
It maps standards families to engineering workflow decisions and shows how standards connect to tools, charts, and concept pages.
Which ISO standard defines metric thread profiles?
ISO 68-1 covers the basic profile while ISO 724 and ISO 965-1 provide dimensional and tolerance context.
Which standard covers thread tolerances?
ISO 965-1 is the primary ISO tolerance framework for metric threads.
How does ISO 724 relate to ISO 965?
ISO 724 establishes basic dimension context that ISO 965-1 builds on for tolerance interpretation.
Which BoltLab tools use this standards context?
Thread Identifier, Thread Pitch Converter, and Tap Drill Calculator all depend on standards-grounded interpretation workflows.