DIN 315 Specifications – Wing Nuts : Fuller Fasteners

Screw Thread d		M4	M5	M6
P	Coarse thread	0.7	0.8	1
d_k	max	8	11	13
d_k	min	6	8	10
d_s	max	7	9	11
d_s	min	5.5	7.5	9
L	max	20	26	33
L	min	18	24	30
y	max	1.9	2.3	2.3
y	min	1.1	1.5	1.5
y₁	max	2.3	2.8	3.3
y₁	min	1.7	2.3	2.7
k	max	10.5	13	17
k	min	8.5	11	15
m	max	4.6	6.5	8
m	min	3.2	4	5
r	≈	2	2.5	3
R	≈	3	4	5

Screw Thread d		M8	M10	M12
P	Coarse thread	1.25	1.5	1.75
d_k	max	16	20	23
d_k	min	13	17	20
d_s	max	12.5	16.5	19.5
d_s	min	10.5	14.5	17.5
L	max	39	51	65
L	min	36	48	62
y	max	2.8	4.4	4.9
y	min	2	3.6	4.1
y₁	max	4.4	5.4	6.4
y₁	min	3.6	4.6	5.6
k	max	20	25	33.5
k	min	18	23	31
m	max	10	12	14
m	min	6.5	8	10
r	≈	3	5	6
R	≈	6	8	10

Screw Thread d		M16	M20	M24
P	Coarse thread	2	2.5	3
d_k	max	29	35	44
d_k	min	26	32	41
d_s	max	23	29	37.5
d_s	min	21	27	35
L	max	73	90	110
L	min	70	86	106
y	max	6.4	6.9	9.4
y	min	5.6	6.1	8.6
y₁	max	7.5	8	10.5
y₁	min	6.5	7	9.5
k	max	37.5	46.5	56.5
k	min	35	44	53.5
m	max	17	21	25
m	min	13	16	20
r	≈	7	8	9
R	≈	11	14	18