Normalized tube record

0.425 in OD tube

A measured tube group centered on 0.425-inch outside diameter. It is separated from nominal drill-size classes until a verified equivalence is recorded.

0.425 in OD

Observed outside diameters0.425" (10.8 mm)

Known kit lengths1

Linked kits / projects1

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

Tool box pencil kitXiamen Rizheng · RZ-PCL73Upper / capbarrel position0.425" (10.8 mm)tube OD1.776" (45.1 mm)tube lengthNot recordedminimum blank cutOpen kit →Tool box pencil kitXiamen Rizheng · RZ-PCL73Lower / bodybarrel position0.425" (10.8 mm)tube OD1.776" (45.1 mm)tube lengthNot recordedminimum blank cutOpen kit →