Normalized tube record

0.402 in OD tube

A measured tube group centered on 0.402-inch outside diameter. It is separated from nominal drill-size classes until a verified equivalence is recorded.

0.402 in OD

Observed outside diameters0.402" (10.2 mm)

Known kit lengths4

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

Fantasy twist pen kitsXiamen Rizheng · RZ-BP409Upper / capbarrel position0.402" (10.2 mm)tube OD1.803" (45.8 mm)tube lengthNot recordedminimum blank cutOpen kit →Fantasy twist pen kitsXiamen Rizheng · RZ-BP409Lower / bodybarrel position0.402" (10.2 mm)tube OD2.087" (53.0 mm)tube lengthNot recordedminimum blank cutOpen kit →Fidget spinner ball pen kitsXiamen Rizheng · RZ-BP523Upper / capbarrel position0.402" (10.2 mm)tube ODNot recordedtube lengthNot recordedminimum blank cutOpen kit →Fidget spinner fountain pen kitsXiamen Rizheng · RZ-FP523Upper / capbarrel position0.402" (10.2 mm)tube ODNot recordedtube lengthNot recordedminimum blank cutOpen kit →Hexagonal magnetic FP pen kitsXiamen Rizheng · RZ-FP130Lower / bodybarrel position0.402" (10.2 mm)tube OD2.602" (66.1 mm)tube lengthNot recordedminimum blank cutOpen kit →Hexagonal magnetic RB pen kitsXiamen Rizheng · RZ-RP130Lower / bodybarrel position0.402" (10.2 mm)tube OD2.602" (66.1 mm)tube lengthNot recordedminimum blank cutOpen kit →Semicircular fountain pen kitsXiamen Rizheng · RZ-FP179Lower / bodybarrel position0.402" (10.2 mm)tube OD2.669" (67.8 mm)tube lengthNot recordedminimum blank cutOpen kit →Semicircular pen kitsXiamen Rizheng · RZ-RP179Lower / bodybarrel position0.402" (10.2 mm)tube OD2.669" (67.8 mm)tube lengthNot recordedminimum blank cutOpen kit →