基本尺寸			型号
			Model
d[mm]	D[mm]	B[mm]
20mm	26mm	20mm	K20×26×20
12mm	18mm	12mm	K12×18×12
25mm	32mm	16mm	K25×32×16
38mm	46mm	20mm	K38×46×20
8mm	11mm	10mm	K8×11×10
9mm	12mm	10mm	K9×12×10
10mm	13mm	10mm	K10×13×10
12mm	15mm	10mm	K12×15×10
14mm	18mm	13mm	K14×18×13
15mm	19mm	13mm	K15×19×13
16mm	20mm	13mm	K16×20×13
17mm	21mm	13mm	K17×21×13
18mm	22mm	13mm	K18×22×13
20mm	24mm	13mm	K20×24×13
22mm	26mm	13mm	K22×26×13
25mm	29mm	13mm	K25×29×13
8mm	11mm	13mm	K8×11×13
9mm	12mm	13mm	K9×12×13
10mm	13mm	13mm	K10×13×13
12mm	15mm	13mm	K12×15×13
17mm	21mm	15mm	K17×21×15
28mm	33mm	17mm	K28×33×17
30mm	35mm	17mm	K30×35×17
32mm	37mm	17mm	K32×37×17
4mm	8mm	8mm	BK0408
14mm	20mm	12mm	BK1412
15mm	21mm	12mm	BK1512
16mm	22mm	12mm	BK1612
17mm	23mm	12mm	BK1712
18mm	24mm	12mm	BK1812