Ribattini ad espansione con spina inserita (Kerpin®)

button head - dimensions in mm
shank diameter d1	3	4	5	6	8
	single slot	cross slots
head diameter d2	5.2	7	8.8	10.5	14
height of the head k	1.8	2.4	3.2	3.6	4.8

length l	total assembling ticknesses S
5	2-3
6	3-4	3-4
7	4.5	4-5
8	5-6	5-6
8.5			5-6
9		6-7
9.5			6-7
10		7-8
10.5			7-8	7-8
11		8-9
11.5			8-9	8-9
12		9-10
12.5			9-10	9-10
13					9-10
13.5			10-11	10-11
14					10-11
14.5			11-12	11-12
15					11-12
15.5			12-13	12-13
16					12-13
16.5			13-14	13-14
17					13-14
17.5				14-15
18					14-15
18.5				15-16
19					15-16
20					16-17
21					17-18
22					18-19
23					19-20

countersunk head - dimensions in mm
shank diameter d1	3	4	5	6	8
	single slot	cross slots
head diameter d2	5.2	7	8.8	10.5	14
height of the head k	1.5	2	2.5	3	4

length l	total assembling ticknesses S
5	2-3
6	3-4	3-4
7	4.5	4-5
8	5-6	5-6
8.5			5-6
9		6-7
9.5			6-7
10		7-8
10.5			7-8	7-8
11		8-9
11.5			8-9	8-9
12		9-10
12.5			9-10	9-10
13					9-10
13.5			10-11	10-11
14					10-11
14.5			11-12	11-12
15					11-12
15.5			12-13	12-13
16					12-13
16.5			13-14	13-14
17					13-14
17.5				14-15
18					14-15
18.5				15-16
19					15-16
20					16-17
21					17-18
22					18-19
23					19-20

round head - dimensions in mm
shank diameter d1	3	4	5	6	8
	single slot	cross slots
head diameter d2	6.8	9	11.2	13.5	18
height of the head k	1.5	2	2.5	3	4

length l	total assembling ticknesses S
5	2-3
6	3-4	3-4
7	4.5	4-5
8	5-6	5-6
8.5			5-6
9		6-7
9.5			6-7
10		7-8
10.5			7-8	7-8
11		8-9
11.5			8-9	8-9
12		9-10
12.5			9-10	9-10
13					9-10
13.5			10-11	10-11
14					10-11
14.5			11-12	11-12
15					11-12
15.5			12-13	12-13
16					12-13
16.5			13-14	13-14
17					13-14
17.5				14-15
18					14-15
18.5				15-16
19					15-16
20					16-17
21					17-18
22					18-19
23					19-20