The painted keel is mainly divided into 32 series, 38 series A/B type, 32 groove series, 32 narrow edge flat/groove series, etc. The specifications and dimensions include main bone 24 × 32/38 × 3000mm, secondary 24 × 25/28 × 1200mm, etc., which are subdivided according to metric/imperial and model.
Mainstream specification series
32 series.
Metric system: main bone 24 × 32 × 3000mm, intermediate 24 × 25 × 1200mm, minor 24 × 25 × 600mm
Imperial system: main bone 24 × 32 × 3048mm (approximately 3 meters), secondary 24 × 25 × 1220mm
Subdivision types: large T, medium T, small T, with 32 corners uniformly. ‌‌
38 series.
A/B type differentiation: The corners are 38A type and 38B type respectively. ‌‌
Metric system: main bone 24 × 38 × 3000mm, secondary 24 × 28 × 1200mm
Imperial system: main bone 24 × 38 × 3048mm, secondary 24 × 28 × 1220mm
Special type specifications
32 groove series: divided into black and white lines, both metric and imperial systems include large T, medium T, and small T, and the corners are compatible with the 32 series. ‌‌
32 Narrow Edge Plane Series: Main bone 14 × 32 × 3000mm (metric), without imperial classification, with L-shaped corners (unequal sides). ‌‌
Stereoscopic groove series: such as 38 three-dimensional groove main bone 16 × 38 × 3000mm, matched with drop plate 594 × 594mm
Other key parameters
Standard length: The main bone is mostly 3000mm (metric) or 3048mm (imperial), with a medium length of 1200mm/1220mm and a small length of 600mm/610mm. ‌‌1‌‌6
Supporting components: The specifications of the drop plate are mostly 595 × 595mm (metric) or 605 × 605mm (imperial). ‌‌