World Darts Federation approved Dartboard specification
Dartboard should
(a) be of the ‘bristle’ type.
(b) be of the ’1 – 20′ clock pattern.
(c) have an inner centre ring, ‘Bull’, that shall score ’50′ points.
(d) have an outer centre ring that shall score ’25′ points.
(e) have an inner narrow band, ‘Treble Ring’, which shall score treble the segment number.
(f) have an outer narrow band, ‘Double Ring’, which shall score double the segment number.
(g) have the following dimensions;
‘Bull” inside diameter = 12.7 mm. +/- 0.2mm.
’25’ ring inside diameter = 31.8mm +/- 0.3 mm.
Outside edge of ‘Double’ wire to Centre Bull = 170.0 mm. +/- 0.2 mm. Outside edge of ‘Treble’ wire to Centre Bull = 107.0 mm. +/- 0.2 mm.
Outside edge of ‘Double’ wire to outside edge = 340.0 mm. +/- 0.5 mm. of ‘Double’ wire
Overall dartboard diameter {+/- 3.0 mm.} = 451.0 mm. +/- 3.0 mm.
SCORING
