HTD5M节距：5MM
规格	齿数	节径 D	外径 Do	档边直径 Df	档边内径 db	档边厚度 h
14-5M	14	22.28	21.14	25	15	1
15-5M	15	23.87	22.73	29	18	1
16-5M	16	25.46	24.32	29	18	1
17-5M	17	27.06	25.92	32	21	1
18-5M	18	28.65	27.51	32	21	1
19-5M	19	30.24	29.1	34.5	24.5	1
20-5M	20	31.83	30.69	34.5	24.5	1
21-5M	21	33.42	32.28	40	27	1
22-5M	22	35.01	33.87	40	27	1
23-5M	23	36.61	35.47	40	27	1
24-5M	24	38.2	37.06	44	32	1
25-5M	25	39.79	38.65	44	32	1
26-5M	26	41.38	40.24	44	32	1
27-5M	27	42.97	41.83	49	29	1
28-5M	28	44.56	43.42	48	38	1
30-5M	30	47.75	46.61	51	36	1.2
32-5M	32	50.93	49.79	54	39	1.2
34-5M	34	54.11	52.97	58	47	1.5
36-5M	36	57.3	56.16	61	45	1.2
38-5M	38	60.48	59.34	64	48	1.2
40-5M	40	63.66	62.52	69	54	1.2
42-5M	42	66.85	65.71	73	55	1.2
44-5M	44	70.03	68.89	73	55	1.2
46-5M	46	73.21	72.07	78	66	1.2
48-5M	48	76.39	75.25	84	64	1.2
50-5M	50	79.58	78.44	86	70	1.2
60-5M	60	95.49	94.35	102	83	1.2
72-5M	27	114.59	113.45	123	103	1.2