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Threaded hole

ThreadedHole 

ThreadedHole(
    cap_lid_hole_radius,
    cap_height,
    cap_outer_thickness,
    lid_shoulder,
    thread_pitch,
)

Bases: BasePartObject

Creates a subtractable piece, creating a threaded hole.

Source code in src/bd_tube_boxes/threaded_hole.py 
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def __init__(
    self,
    cap_lid_hole_radius: float,
    cap_height: float,
    cap_outer_thickness: float,
    lid_shoulder: float,
    thread_pitch: float,
):
    """
    Creates a subtractable piece, creating a threaded hole.
    """
    screw_hole = Solid.make_cylinder(cap_lid_hole_radius, cap_height)

    shoulder_radius = cap_lid_hole_radius + lid_shoulder
    shoulder = (
        Location((0, 0, -cap_height + cap_outer_thickness)) *
        Solid.make_cylinder(shoulder_radius, cap_height)
    )  # fmt: off

    bottom = Location((0, 0, cap_height)) * Solid.make_cylinder(shoulder_radius, cap_height / 2)

    solid = screw_hole + shoulder + bottom

    edges = list(filter(lambda e: e.radius == cap_lid_hole_radius, solid.edges().filter_by(GeomType.CIRCLE)))
    solid = chamfer(edges, lid_shoulder - 0.01)

    thread = IsoThread(
        major_diameter=cap_lid_hole_radius * 2 + thread_pitch,
        pitch=thread_pitch,
        length=cap_height,
        external=True,
    )

    solid += thread

    return super().__init__(part=solid)