ISO 8752

Replaces DIN 1481

Spring-type straight pins - slotted

Heavy duty





Nominal Diameter Φ1 Φ1.5 Φ2 Φ2.5
d Before mounting max 1.3 1.8 2.4 2.9
min 1.2 1.7 2.3 2.8
d1 Before mounting 0.8 1.1 1.5 1.8
a max 0.35 0.45 0.55 0.6
min 0.15 0.25 0.35 0.4
h 0.2 0.3 0.4 0.5
Minimum Double Shear,kN ① 0.7 1.58 2.82 4.38

Nominal Diameter Φ3 Φ3.5 Φ4
d Before mounting max 3.5 4 4.6
min 3.3 3.8 4.4
d1 Before mounting 2.1 2.3 2.8
a max 0.7 0.8 0.85
min 0.5 0.6 0.65
h 0.6 0.75 0.8
Minimum Double Shear,kN ① 6.32 9.06 11.24

Nominal Diameter Φ4.5 Φ5 Φ6
d Before mounting max 5.1 5.6 6.7
min 4.9 5.4 6.4
d1 Before mounting 2.9 3.4 4
a max 1 1.1 1.4
min 0.8 0.9 1.2
h 1 1 1.2
Minimum Double Shear,kN ① 15.36 17.54 26.04

Nominal Diameter Φ8 Φ10 Φ12
d Before mounting max 8.8 10.8 12.8
min 8.5 10.5 12.5
d1 Before mounting 5.5 6.5 7.5
a max 2 2.4 2.4
min 1.6 2 2
h 1.5 2 2.5
Minimum Double Shear,kN ① 42.76 70.16 104.1

Nominal Diameter Φ13 Φ14 Φ16
d Before mounting max 13.8 14.8 16.8
min 13.5 14.5 16.5
d1 Before mounting 8.5 8.5 10.5
a max 2.4 2.4 2.4
min 2 2 2
h 2.5 3 3
Minimum Double Shear,kN ① 115.1 144.7 171

Nominal Diameter Φ18 Φ20 Φ21
d Before mounting max 18.9 20.9 21.9
min 18.5 20.5 21.5
d1 Before mounting 11.5 12.5 13.5
a max 2.4 3.4 3.4
min 2 3 3
h 3.5 4 4
Minimum Double Shear,kN ① 222.5 280.6 298.2

Nominal Diameter Φ25 Φ28 Φ30
d Before mounting max 25.9 28.9 30.9
min 25.5 28.5 30.5
d1 Before mounting 15.5 17.5 18.5
a max 3.4 3.4 3.4
min 3 3 3
h 5 5.5 6
Minimum Double Shear,kN ① 438.5 542.6 631.4

Nominal Diameter Φ32 Φ35 Φ38
d Before mounting max 32.9 35.9 38.9
min 32.5 35.5 38.5
d1 Before mounting 20.5 21.5 23.5
a max 3.6 3.6 4.6
min 3 3 4
h 6 7 7.5
Minimum Double Shear,kN ① 684 859 1003

Nominal Diameter Φ40 Φ45 Φ50
d Before mounting max 40.9 45.9 50.9
min 40.5 45.5 50.5
d1 Before mounting 25.5 28.5 31.5
a max 4.6 4.6 4.6
min 4 4 4
h 7.5 8.5 9.5
Minimum Double Shear,kN ① 1068 1360 1685


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


All information is strictly informative