DIN 6798 Tırtıllı Rondela

Dimensions in mm : source DIN 6798
Publication date 07/1988 – Supersedes DIN 6798: 08/1971
Thread size	Form A				Form J				Form V
Thread size	d1 min=nom	d2 max=nom	s nom	Nr. of teeth	d1 min=nom	d2 max=nom	s nom	Nr. of teeth	d1 min=nom	d2 max=nom	s nom	Nr. of teeth
M 1.6	1.7	3.6	0.3	9	1.7	3.6	0.3	7	–	–	–	–
M 2	2.2	4.5	0.3	9	2.2	4.5	0.3	7	2.2	4.2	0.2	10
M 2.5	2.7	5.5	0.4	9	2.7	5.5	0.4	7	2.7	5.1	0.2	10
M 3	3.2	6	0.4	9	3.2	6	0.4	7	3.2	6	0.2	12
M3.5	3.7	7	0.5	10	3.7	7	0.5	8	3.7	7	0.25	12
M 4	4.3	8	0.5	11	4.3	8	0.5	8	4.3	8	0.25	14
M 5*	5.1	9	0.5	11	5.1	9	0.5	8	–	–	–	–
M 5	5.3	10	0.6	11	5.3	10	0.6	8	5.3	9.8	0.3	14
M 6	6.4	11	0.7	12	6.4	11	0.7	9	6.4	11.8	0.4	16
M 7	7.4	12.5	0.8	14	7.4	12.5	0.8	10	–	–	–	–
M 8*	8.2	14	0.8	14	8.2	14	0.8	10	–	–	–	–
M 8	8.4	15	0.8	14	8.4	15	0.8	10	8.4	15.3	0.4	18
M 10	10.5	18	0.9	16	10.5	18	0.9	12	10.5	19	0.5	20
M 12	13	20.5	1	16	13	20.5	1	12	13	23	0.5	26
M 14	15	24	1	18	15	24	1	14	15	26.2	0.5	28
M 16	17	26	1.2	18	17	26	1.2	14	17	30.2	0.6	30
M 18	19	30	1.4	18	19	30	1.4	14	–	–	–	–
M 20	21	33	1.4	20	21	33	1.4	16	–		–	–
M 22	23	36	1.5	20	23	36	1.5	16	–	–	–	–
M 24	25	38	1.5	20	25	38	1.5	16	–	–	–	–
M 27	28	44	1.6	22	28	44	1.6	18	–	–	–	–
M 30	31	48	1.6	22	31	48	1.6	18	–	–	–	–