Normalized tube record

0.406 in OD tube

A measured tube group centered on 0.406-inch outside diameter. It is separated from nominal drill-size classes until a verified equivalence is recorded.

0.406 in OD

Observed outside diameters0.406" (10.3 mm)

Known kit lengths3

Linked kits / projects7

Replacement listings0

Before substituting

Match OD, wall thickness, and length.

The class name helps discovery; it does not override the kit maker's current tube specification. A close drill size does not prove that two brass tubes are interchangeable.

Kit cross-reference

Known barrel lengths

Goodwill fountain pen kitsXiamen Rizheng · RZ-FP452Lower / bodybarrel position0.406" (10.3 mm)tube OD2.283" (58.0 mm)tube lengthNot recordedminimum blank cutOpen kit →Goodwill rollerball pen kitsXiamen Rizheng · RZ-RP452Lower / bodybarrel position0.406" (10.3 mm)tube OD2.283" (58.0 mm)tube lengthNot recordedminimum blank cutOpen kit →Magnetic fountain pen kitXiamen Rizheng · RZ-FP78Lower / bodybarrel position0.406" (10.3 mm)tube OD3.346" (85.0 mm)tube lengthNot recordedminimum blank cutOpen kit →Magnetic fountain pen kitXiamen Rizheng · RZ-FP78NLower / bodybarrel position0.406" (10.3 mm)tube OD3.346" (85.0 mm)tube lengthNot recordedminimum blank cutOpen kit →Magnetic pen kitXiamen Rizheng · RZ-RP78Upper / capbarrel position0.406" (10.3 mm)tube OD3.346" (85.0 mm)tube lengthNot recordedminimum blank cutOpen kit →Magnetic rollerball pen kitXiamen Rizheng · RZ-RP78NLower / bodybarrel position0.406" (10.3 mm)tube OD3.346" (85.0 mm)tube lengthNot recordedminimum blank cutOpen kit →Tambourine bullet bp pen kitsXiamen Rizheng · RZ-BP214Upper / capbarrel position0.406" (10.3 mm)tube OD2.520" (64.0 mm)tube lengthNot recordedminimum blank cutOpen kit →