DIN 7978 - Taper Pins With Internal ThreadType A ground pins, surface roughness Rz = 4 um;

Type B turned pins, surface roughness Rz = 16 um.


dl h10
6
8
10
12
14
16
20
25
30
40
50
a ≈
0.8
1
1.2
1.6
1.6
2
2.5
3
4
5
6.3
d2
M4
M5
M6
M8
M8
M10
M12
M16
M20
M20
M24
d3
4.3
5.3
6.4
8.4
8.4
10.5
13
17
21
21
25
t1
6
8
10
12
12
16
18
24
30
30
36
t2 min.
10
12
16
20
20
25
27
34
42
42
50
t3
1
1.2
1.2
1.2
1.2
1.5
1.5
2
2
2
2.5
l js15
weight (7.85kg/dm3) kg / 1000pcs
16
2.54
 
 
 
 
 
 
 
 
 
 
20
3.7
6.2
 
 
 
 
 
 
 
 
 
24
4.87
8
11.9
 
 
 
 
 
 
 
 
28
6.02
9.8
14.7
17.9
27
 
 
 
 
 
 
32
7.2
11.6
17.5
22.1
32.5
37
 
 
 
 
 
36
8.35
12.5
20.4
26.3
38
44
68
 
 
 
 
40
9.15
15.3
23.4
30.5
42.6
51
76
 
 
 
 
45
10.5
17.7
26.8
35.5
50.4
60
89
115
 
 
 
50
12.2
20.2
30.5
40.8
57
68.8
103
138
 
 
 
55
14
22.8
34.3
46.2
64.2
77.5
116
160
185
 
 
60
 
25.5
38.3
51.3
71.5
87
130
182
215
 
 
70
 
31
46.5
62.5
85.8
104
158
225
275
 
 
80
 
37
54.8
74.5
101
121
186
267
335
 
 
90
 
43.2
63.3
86.5
116
139
216
310
395
800
 
100
 
 
72
99
132
155
246
355
465
910
 
110
 
 
80.5
121
148
172
276
400
525
1020
1580
120
 
 
 
133
164
199
306
445
590
1130
1750
130
 
 
 
145
180
217
337
490
660
1240
1910
140
 
 
 
 
195
235
370
540
725
1350
2100
150
 
 
 
 
 
253
402
610
785
1460
2270
165
 
 
 
 
 
279
450
660
890
1630
2530
180
 
 
 
 
 
305
500
740
990
1810
2790
200
 
 
 
 
 
 
565
840
1130
2050
3150
230
 
 
 
 
 
 
665
1000
1340
2310
3700
260
 
 
 
 
 
 
770
1160
1570
2770
4250

Tags: DIN 7978 Internal Thread

General Material:Stainless Steel,Nickel Alloy,Silicon Bronze,Aluminium Bronze,Brass,Naval Brass,Coppe,Copper-Nickel,Aluminum Alloy,Titanium,Alloy Steel,Such as C1008,C1018,C1022,C1035,C1045,40cr,SCM435,35crmoA,42crmoA,AISI4140SS304/A2-70,SS316/A4-80,SS310s,SS309,SS321,SS410,SS317,SS904L,17-4 PH/630,Duplex 2205,Duplex 31803,Nitronic 40,Nitronic 50,Nitronic 60,Nickel Alloy,Hastelloy C276,Inconel 600,Inconel 601,Inconel 625,Inconel 718,Inconel X750,Inconel 800H,Inconel 825,Monel 400,Monel 405,Monel K-500,MP35N,Nickel 200,Nickel 201,Waspaloy)C65500,C64200,C61400,C63000,C63200,C46200,H59,H62,H67,C46400,C11000,90/10 C70600,70/30 C71500,6061-T6,2024-T4,Ti-6Al-4V Grade 5,ASTM B348 Grade 2,ASTM B348 Grade 7,651/S63198
General Surface Finish:Blackoxide,Zinc,Dacromet 500/Dacromet 320,Non-electrolytically Deposited Zinc Flake,Hot-dip Galvanization,Phosphating,Passviation