DIN 464 Specifications – Knurled Thumb Screws : Fuller Fasteners

Screw Thread d		M1	M1.2	M1.4
P		0.25	0.25	0.3
b	max	3.5	4	4.6
b	min	3	3.5	4
c		①	①	①
d_k	Nominal Size	5.5	6	7
	max	5.74	6.24	7.29
	min	5.26	5.76	6.71
d_s	max=nominal size	2.8	3	3.5
d_s	min	2.55	2.75	3.2
h	Nominal Size	3.5	4	4.7
	max	3.74	4.24	4.94
	min	3.26	3.76	4.46
k	max=nominal size	1.5	1.5	2
k	min	1.25	1.25	1.75
n	Nominal Size	0.3	0.4	0.4
	min	0.36	0.46	0.46
	max	0.5	0.6	0.6
r		0.5	0.5	0.5
t	min	0.7	0.8	0.9
t	max	0.9	1	1.15
x	max	0.6	0.6	0.75
Knurl pitch		0.5	0.5	0.5

Screw Thread d		M1.6	M2	M2.5
P		0.35	0.4	0.45
b	max	5.7	6.8	8.9
b	min	5	6	8
c		①	①	0.3
d_k	Nominal Size	7.5	9	11
	max	7.79	9.29	11.35
	min	7.21	8.71	10.65
d_s	max=nominal size	3.8	4.5	5
d_s	min	3.5	4.2	4.7
h	Nominal Size	5	5.3	6.5
	max	5.24	5.54	6.79
	min	4.76	5.06	6.21
k	max=nominal size	2	2	2.5
k	min	1.75	1.75	2.25
n	Nominal Size	0.4	0.5	0.6
	min	0.46	0.56	0.66
	max	0.6	0.7	0.8
r		0.5	0.5	0.5
t	min	1	1.1	1.5
t	max	1.3	1.4	1.8
x	max	0.9	1	1.1
Knurl pitch		0.5	0.5	0.6

Screw Thread d		M3	M4	M5
P		0.5	0.7	0.8
b	max	10	13.4	16.6
b	min	9	12	15
c		0.3	0.4	0.4
d_k	Nominal Size	12	16	20
	max	12.35	16.35	20.42
	min	11.65	15.65	19.58
d_s	max=nominal size	6	8	10
d_s	min	5.7	7.64	9.64
h	Nominal Size	7.5	9.5	11.5
	max	7.79	9.79	11.85
	min	7.21	9.21	11.15
k	max=nominal size	2.5	3.5	4
k	min	2.25	3.2	3.7
n	Nominal Size	0.8	1	1.2
	min	0.86	1.06	1.26
	max	1	1.2	1.51
r		0.5	0.5	1
t	min	1.8	2.2	2.8
t	max	2.2	2.7	3.4
x	max	1.25	1.75	2
Knurl pitch		0.6	0.6	0.6

Screw Thread d		M6	M8	M10
P		1	1.25	1.5
b	max	20	26.5	33
b	min	18	24	30
c		0.5	0.6	0.8
d_k	Nominal Size	24	30	36
	max	24.42	30.42	36.5
	min	23.58	29.58	35.5
d_s	max=nominal size	12	16	20
d_s	min	11.57	15.57	19.48
h	Nominal Size	15	18	23
	max	15.35	18.35	23.42
	min	14.65	17.65	22.58
k	max=nominal size	5	6	8
k	min	4.7	5.7	7.64
n	Nominal Size	1.6	2	2.5
	min	1.66	2.06	2.56
	max	1.91	2.31	2.81
r		1	2	2
t	min	3.5	4.5	6
t	max	4.3	5.5	7
x	max	2.5	3.2	3.8
Knurl pitch		0.6	0.6	0.8