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ISO 8748

Spring-type straight pins, coiled, heavy duty

Replaces
DIN 7344
National equivalents
CSN 022163 · UNI 6876
Materials
Steel

Dimensions

mm · values as the standard states them
SizePd1d1before fittingsad2before fittingshear_double_kNstainlessshear_double_kNsteel
1.5
≥ 1.61
≤ 1.71
0.17
0.5
≤ 1.4
1.45
1.9
2
≥ 2.11
≤ 2.21
0.22
0.7
≤ 1.9
2.5
3.5
2.5
≥ 2.62
≤ 2.73
0.28
0.7
≤ 2.4
3.8
5.5
3
≥ 3.12
≤ 3.25
0.33
0.9
≤ 2.9
5.7
7.6
3.5
≥ 3.64
≤ 3.79
0.39
1
≤ 3.4
7.6
10
4
≥ 4.15
≤ 4.3
0.45
1.1
≤ 3.9
10
13.5
5
≥ 5.15
≤ 5.35
0.56
1.3
≤ 4.85
15.5
20
6
≥ 6.18
≤ 6.4
0.67
1.5
≤ 5.85
23
30
8
≥ 8.25
≤ 8.55
0.9
2
≤ 7.8
41
53
10
≥ 10.3
≤ 10.65
1.1
2.5
≤ 9.75
64
84
12
≥ 12.35
≤ 12.75
1.3
3
≤ 11.7
91
120
14
≥ 14.4
≤ 14.85
1.6
3.5
≤ 13.6
—
165
16
≥ 16.4
≤ 16.9
1.8
4
≤ 15.6
—
210
20
≥ 20.4
≤ 21
2.2
4.5
≤ 19.6
—
340

Ranges read min – max; ≤ / ≥ where the standard gives one limit, ≈ for approximate values. Sizes in (brackets) are non-preferred. Select a row for its size sheet.

Length tolerances

43.75 – 4.25
54.75 – 5.25
65.75 – 6.25
87.75 – 8.25
109.75 – 10.25
1211.5 – 12.5
1413.5 – 14.5
1615.5 – 16.5
1817.5 – 18.5
2019.5 – 20.5
2221.5 – 22.5
2423.5 – 24.5
2625.5 – 26.5
2827.5 – 28.5
3029.5 – 30.5
3231.5 – 32.5
3534.5 – 35.5
4039.5 – 40.5
4544.5 – 45.5
5049.5 – 50.5
5554.25 – 55.75
6059.25 – 60.75
6564.25 – 65.75
7069.25 – 70.75
7574.25 – 75.75
8079.25 – 80.75
8584.25 – 85.75
9089.25 – 90.75
9594.25 – 95.75
10099.25 – 100.75
120119.25 – 120.75
140139.25 – 140.75
160159.25 – 160.75
180179.25 – 180.75
200199.25 – 200.75

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