规格代码	d₁	d1公差	d₂	d₃	d3公差	b1	b1(min.)	b₂	b2(min.)
PYB-04-04	4	+0.025/+0.075	5.2	7	-0.40/+0.40	4	3.6	0.6	0.47
PYB-05-05	5	+0.025/+0.075	6.2	8	-0.40/+0.40	5	4.6	0.6	0.47
PYB-06-06	6	+0.025/+0.075	7.2	9.5	-0.40/+0.40	6	5.6	0.6	0.47
PYB-08-08	8	+0.025/+0.075	9.6	12	-0.40/+0.40	8	7.6	0.8	0.67
PYB-10-10	10	+0.025/+0.075	11.6	15	-0.40/+0.40	10	9.6	0.8	0.67
PYB-12-12	12	+0.025/+0.075	13.6	18	-0.40/+0.40	12	11.6	0.8	0.67
PYB-14-14	14	+0.025/+0.075	15.6	21	-0.40/+0.40	14	13.6	0.8	0.67
PYB-16-16	16	+0.025/+0.075	17.6	24	-0.40/+0.40	16	15.6	0.8	0.67
PYB-20-20	20	+0.025/+0.075	21.6	30	-0.40/+0.40	20	19.6	0.8	0.67
PYB-25-25	25	+0.025/+0.075	27.4	37.5	-0.40/+0.40	25	24.6	1.2	1.07