60° 中心孔 - R 型, A 型, B 型 与 C 型 DIN 332 (-1) - 1986

---

• 

  Type R，radius form, without protective chamfer

  
  

  d1		0.5	0.8	1	1.25	1.6	2	2.5	3.15	4	5	6.3	8	10	12.5
  d2		1.06	1.7	2.12	2.65	3.35	4.25	5.3	6.7	8.5	10.6	13.2	17	21.2	26.5
  t	min	1.4	1.5	1.9	2.3	2.9	3.7	4.6	5.8	7.4	9.2	11.4	14.7	18.3	23.6
  a		2	2.5	3	4	5	6	7	9	11	14	18	22	28	36

  
  
• 

  Type A，straight form, without protective chamfer

  
  

  d1		0.5	0.8	1	1.25	1.6	2	2.5	3.15	4	5	6.3	8	10	12.5	16	20	25	31.5	40	50
  d2		1.06	1.7	2.12	2.65	3.35	4.25	5.3	6.7	8.5	10.6	13.2	17	21.2	26.5	33.5	42.5	53	67	85	106
  t	max	/	/	/	/	/	/	/	/	/	/	/	/	/	/	37.5	47.5	60	75	95	118
  	min	1	1.5	1.9	2.3	2.9	3.7	4.6	5.9	7.4	9.2	11.5	14.8	18.4	23.6	30	37.5	47.5	60	75	95
  α1		/	/	/	/	/	/	/	/	/	/	/	/	/	/	120°
  α2 (0, -1°)		/	/	/	/	/	/	/	/	/	/	/	/	/	/	60°
  a		2	2.5	3	4	5	6	7	9	11	14	18	22	28	36	45	56	71	90	112	140

  
  
• 

  Type B，straight form, with conical protective chamfer

  
  

  d1		1	1.25	1.6	2	2.5	3.15	4	5	6.3	8	10	12.5	16	20	25	31.5	40	50
  d2		2.12	2.65	3.35	4.25	5.3	6.7	8.5	10.6	13.2	17	21.2	26.5	33.5	42.5	53	67	85	106
  b		0.3	0.4	0.5	0.6	0.8	0.9	1.2	1.6	1.4	1.6	2	2	2.6	3	2.9	3.8	4.3	5.5
  d3		3.15	4	5	6.3	8	10	12.5	16	18	22.4	28	33.5	42.5	53	63	80	100	125
  t	max	/	/	/	/	/	/	/	/	/	/	/	32.1	40.1	50.5	62.9	73.8	99.3	123.5
  	min	2.2	2.7	3.4	4.3	5.4	6.8	8.6	10.8	12.9	16.4	20.4	25.6	32.6	40.5	50.4	63.8	79.3	100.5
  a		3.5	4.5	5.5	6.6	8.3	10	12.7	15.6	20	25	31	38	48	60	75	95	118	150
  α1		/	/	/	/	/	/	/	/	/	/	/	120°
  α2 (0, -1°)		/	/	/	/	/	/	/	/	/	/	/	60°
  α3		/	/	/	/	/	/	/	/	/	/	/	120°

  
  
• 

  Type C，straight form, with truncated protective chamfer (left unspecified in ISO Standard)

  
  

  d1		1	1.25	1.6	2	2.5	3.15	4	5	6.3	8	10	12.5	16	20	25	31.5	40	50
  d2		2.12	2.65	3.35	4.25	5.3	6.7	8.5	10.6	13.2	17	21.2	26.5	33.5	42.5	53	67	85	106
  b		0.4	0.6	0.7	0.9	0.9	1.1	1.7	1.7	2.3	3	3.9	4.3	6.1	7.8	8.7	11.3	17.3	17.3
  d4		4.5	5.3	6.3	7.5	9	11.2	14	18	22.4	28	35.5	45	56	71	90	112	140	180
  d5		5	6	7.1	8.5	10	12.5	16	20	25	31.5	40	50	63	80	100	125	160	200
  t	max	/	/	/	/	/	/	/	/	/	/	/	/	37.5	47.5	60	75	95	118
  	min	1.9	2.3	2.9	3.7	4.6	5.9	7.4	9.2	11.5	14.8	18.4	23.6	30	37.5	47.5	60	75	95
  a		3.5	4.5	5.5	6.6	8.3	10	12.7	15.6	20	25	31	42.5	53	67	85	106	132	170