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A metric bolt with a countersunk head and a Phillips recess, so it sits flush with the surface it goes through.

The image shows the solid OpenSCAD renders at diameter 8 · length 20 · tolerance 0.4.

CC0

Metric countersunk bolt

remixcad/metric-countersunk-bolt@1.0.0

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Parameters

from source
mmNominal metric diameter, so 8 is an M8.
320, steps of 1
mmTotal length including the head.
680, steps of 1
mmTaken off the thread to allow for printing.
01, steps of 0.05

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Description

What is this

A metric bolt with a countersunk head and a Phillips recess, so it sits flush with the surface it goes through.

What you use it for

Anywhere a head sticking up would be in the way: sliding surfaces, lids, plates that something else has to lie flat against.

Design notes

The head angle and the drive recess follow the same metric tables the rest of the library uses. Print it head down on the bed and the cone comes out clean without supports.

Parameters

diameter is the nominal metric size. length here includes the head, because that is the dimension that matters when the head is buried.

Use with your agent
{
  "mcpServers": {
    "remixcad": {
      "type": "http",
      "url": "https://remix-cad.vercel.app/api/mcp"
    }
  }
}
get_model("remixcad/metric-countersunk-bolt@1.0.0")

Returns the manifest, the source, the import closure and the license obligations. Full MCP setup.

Parameter table

Parsed from the Customizer annotations in main.scad
Parameters of Metric countersunk bolt, with the ranges the source declares
NameDefaultRangeUnitDescription
diameter83 to 20 step 1mmNominal metric diameter, so 8 is an M8.
length206 to 80 step 1mmTotal length including the head.
tolerance0.40 to 1 step 0.05mmTaken off the thread to allow for printing.

Lineage

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License

Whoever downloads this takes these obligations along
  • remixcad/metric-countersunk-bolt@1.0.0 is CC0
  • remixcad/threads@1.0.0 is CC0

Source

main.scad is the entrypoint
main.scad
// Uses threads.scad by Ryan A. Colyer, released with CC0 into the public domain. Published on RemixCAD as remixcad/threads.
use <remixcad/threads/threads.scad>

diameter = 8;    // [3:1:20]
length = 20;     // [6:1:80]
tolerance = 0.4; // [0:0.05:1]

MetricCountersunkBolt(diameter, length, tolerance);

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