基本尺寸 型号
Model
d[mm]D[mm]B[mm]
22mm28mm12mm BK2212
20mm26mm12mm BK2012
4mm8mm8mm BK0408T2
18mm24mm16mm BK1816
5mm9mm9mm BK0509T2
20mm26mm12mm BK2012
18mm24mm12mm BK1812
20mm26mm16mm BK2016
18mm24mm16mm BK1816
22mm28mm12mm BK2212
20mm26mm12mm BK2012