DIN 1481

Spring-type straight pins - slotted

Heavy duty

tech-din1481




Nominal Diameter
d		 Φ1 Φ1.5 Φ2 Φ2.5
a 0.15 0.25 0.35 0.4
d min 1.2 1.7 2.3 2.8
max 1.3 1.8 2.4 2.9
d2 ≈ 0.8 1.1 1.5 1.8
s 0.2 0.3 0.4 0.5
Minimum shear strength, single (kN) 0.35 0.79 1.41 2.19
Minimum Double Shear,kN 0.7 1.58 2.82 4.38

Nominal Diameter
d		 Φ3 Φ3.5 Φ4
a 0.5 0.6 0.65
d min 3.3 3.8 4.4
max 3.5 4 4.6
d2 ≈ 2.1 2.3 2.8
s 0.6 0.75 0.8
Minimum shear strength, single (kN) 3.16 4.53 5.62
Minimum Double Shear,kN 6.32 9.06 11.24

Nominal Diameter
d		 Φ4.5 Φ5 Φ6
a 0.8 0.9 1.2
d min 4.9 5.4 6.4
max 5.1 5.6 6.7
d2 ≈ 2.9 3.4 3.9
s 1 1 1.25
Minimum shear strength, single (kN) 7.68 8.77 13.02
Minimum Double Shear,kN 15.36 17.54 26.04

Nominal Diameter
d		 Φ8 Φ10 Φ12
a 2 2 2
d min 8.5 10.5 12.5
max 8.8 10.8 12.8
d2 ≈ 5.5 6.5 7.5
s 1.5 2 2.5
Minimum shear strength, single (kN) 21.38 35.08 52.07
Minimum Double Shear,kN 42.76 70.16 104.1

Nominal Diameter
d		 Φ13 Φ14 Φ16
a 2 2 2
d min 13.5 14.4 16.5
max 13.8 14.8 16.8
d2 ≈ 8.5 8.5 10.5
s 2.5 3 3
Minimum shear strength, single (kN) 57.55 72.36 85.51
Minimum Double Shear,kN 115.1 144.7 171

Nominal Diameter
d		 Φ18 Φ20 Φ21
a 2 3 3
d min 18.5 20.5 21.5
max 18.9 20.9 21.9
d2 ≈ 11.5 12.5 13.5
s 3.5 4 4
Minimum shear strength, single (kN) 111.27 140.32 149.09
Minimum Double Shear,kN 222.5 280.6 298.2

Nominal Diameter
d		 Φ25 Φ28 Φ30
a 3 3 3
d min 25.5 28.5 30.5
max 25.9 28.9 30.9
d2 ≈ 15.5 17.5 18.5
s 5 5.5 6
Minimum shear strength, single (kN) 219.25 271.32 315.72
Minimum Double Shear,kN 438.5 542.6 631.4

Nominal Diameter
d		 Φ32 Φ35 Φ38
a 3 3 4
d min 32.5 35.5 38.5
max 32.9 35.9 38.9
d2 ≈ 20.5 21.5 23.5
s 6 7 7.5
Minimum shear strength, single (kN) 342.03 429.73 501.53
Minimum Double Shear,kN 684 859 1003

Nominal Diameter
d		 Φ40 Φ45 Φ50
a 4 4 4
d min 40.5 45.5 50.5
max 40.9 45.9 50.9
d2 ≈ 25.5 28.5 31.5
s 7.5 8.5 9.5
Minimum shear strength, single (kN) 534.42 680.22 843.57
Minimum Double Shear,kN 1068 1360 1685



1dimensions before installation
2sher strength, double kN, only for spring steel
*not standardized, reference values


All information is strictly informative