Jerry
42 lines
2.3 KiB
Markdown
42 lines
2.3 KiB
Markdown
# make_bolt_rsolid
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## API Definition
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```python
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def make_bolt_rsolid(
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diameter: float,
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length: float,
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head_style: str = "hex",
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thread_style: str = "auto",
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thread_detail: str = "modeled",
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thread_form: str = "v",
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thread_pitch: Optional[float] = None,
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thread_depth: Optional[float] = None,
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thread_length: Optional[float] = None,
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head_width: Optional[float] = None,
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head_height: Optional[float] = None,
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drive_style: str = "none",
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drive_size: Optional[float] = None,
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drive_depth: Optional[float] = None,
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underhead_fillet_radius: Optional[float] = None,
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) -> Solid
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```
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*Source: std/fastener.py*
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## Import Surface
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- standard library: `import simplecadapi as scad` then `scad.std.fastener.make_bolt_rsolid(...)`; direct submodule import: `from simplecadapi.std.fastener import make_bolt_rsolid`
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## Description
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Create a parameterized bolt along `+Z`, with the head underside on `Z=0`. Head styles are `hex`, `square`, `cylindrical`, `button`, and `countersunk`. Drive styles are `none`, `slot`, `cross`, and `hex_socket`.
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Thread styles are `auto`, `full`, `partial`, and `none`. `auto` selects full thread for `length <= 3 * diameter`; otherwise it uses the ISO-style piecewise partial-thread length. The default `thread_detail="modeled"` creates a visible replayable helical `v` or `trapezoidal` thread. Set `thread_detail="cosmetic"` explicitly for a smooth shank with thread intent only in metadata. For partial threads, `thread_length` is measured back from the tip at `Z=length`.
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For metric coarse-series diameters, the factory derives the default pitch from the standard series and records `d2 = d - 0.6495P` and `d1 = d - 1.0825P` in metadata. Hex-head defaults use catalog-like `S` and `k` values where available. The default underhead fillet is `0.06d`; `underhead_fillet_radius` can override it. The metadata also reports a minimum recommended mating-hole chamfer equal to the fillet radius.
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Modeled threads may rotate the helical seam to an equivalent kernel-stable phase. The selected phase is recorded as `thread_phase_degrees` in `std.fastener.bolt` metadata and does not change thread dimensions or handedness.
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Default dimensions are useful parametric proportions, not a claim of compliance with a specific ISO, DIN, ASME, or supplier catalog. Set catalog dimensions explicitly for released hardware.
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