DIN 508 Specifications – T-slot Nuts : Fuller Fasteners

Screw Thread d		M4	M5	M6	M8
P	Pitch	0.7	0.8	1	1.25
a	Nominal Size	5	6	8	10
	max	4.7	5.7	7.7	9.7
	min	4.5	5.5	7.5	9.5
s	max	9	10	13	15
s	min	8.5	9.5	12.5	14.5
f		1	1.6	1.6	1.6
h		6.5	8	10	12
k	max	3	4	6	6
k	min	2.7	3.5	5.5	5.5
for T-slots according to DIN 650		5	6	8	10
per 1000 units≈kg	≈	2.5	4	10	18

Screw Thread d		M10	M12	M16
P	Pitch	1.5	1.75	2
a	Nominal Size	12	14	18
	max	11.7	13.7	17.7
	min	11.4	13.4	17.4
s	max	18	22	28
s	min	17.5	21.5	27.5
f		2.5	2.5	2.5
h		14	16	20
k	max	7	8	10
k	min	6.5	7.5	9.5
for T-slots according to DIN 650		12	14	18
per 1000 units≈kg	≈	24	35	75

Screw Thread d		M20	M24	M30
P	Pitch	2.5	3	3.5
a	Nominal Size	22	28	36
	max	21.7	27.7	35.6
	min	21.4	27.4	35.3
s	max	35	44	54
s	min	34.5	43	53
f		2.5	4	6
h		28	36	44
k	max	14	18	22
k	min	13.5	17	21
for T-slots according to DIN 650		22	28	36
per 1000 units≈kg	≈	165	345	770

Screw Thread d		M36	M42	M48
P	Pitch	4	4.5	5
a	Nominal Size	42	48	54
	max	41.6	47.6	53.6
	min	41.3	47.3	53.2
s	max	65	75	85
s	min	64	74	84
f		6	6	6
h		52	60	70
k	max	26	30	34
k	min	25	29	33
for T-slots according to DIN 650		42	48	54
per 1000 units≈kg	≈	1030	1550	2300