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Unit:mm

Pin with Both Chamfered Points (CH)

ISO 8740 (CH) - 2025

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国际ISO 8740 (CH) - 2025 ISO8740 8740ISO Pin with Both Chamfered Points (CH)
Nominal Diameter
d
(Φ1) Φ1.5 Φ2 Φ2.5 Φ3 (Φ3.5) Φ4 Φ5 Φ6 (Φ7)
d max
min
c ≈
d1 steel pin Nominal Size
max
min
Stainless steel pin Nominal Size
max
min
1 1.5 2 2.5 3 3.5 4 5 6 7
0.975 1.475 1.975 2.475 2.975 3.425 3.925 4.925 5.925 6.91
0.4 0.6 0.8 1 1.2 1.3 1.4 1.7 2.1 2.4
1.1 1.63 2.15 2.7 3.2 3.7 4.25 5.25 6.25 7.3
1.15 1.68 2.2 2.75 3.25 3.75 4.3 5.3 6.3 7.35
1.1 1.63 2.15 2.65 3.15 3.65 4.2 5.2 6.2 7.25
1.075 1.6 2.1 2.65 3.15 3.675 4.2 5.2 6.175 7.225
1.125 1.65 2.15 2.7 3.2 3.725 4.25 5.25 6.225 7.275
1.075 1.6 2.1 2.6 3.1 3.625 4.15 5.15 6.125 7.175
Nominal Diameter
d
Φ8 (Φ9) Φ10 Φ12 (Φ14) Φ16 (Φ18) Φ20 Φ25
d max
min
c ≈
d1 steel pin Nominal Size
max
min
Stainless steel pin Nominal Size
max
min
8 9 10 12 14 16 18 20 25
7.91 8.91 9.91 11.89 13.89 15.89 17.89 19.87 24.87
2.6 2.8 3 3.8 4.2 4.6 5.3 6 7.5
8.3 9.3 10.3 12.35 14.35 16.4 18.4 20.5 25.5
8.35 9.35 10.35 12.45 14.45 16.5 18.5 20.6 25.6
8.25 9.25 10.25 12.25 14.25 16.3 18.3 20.4 25.4
8.225 9.225 10.225 12.275 14.275 16.3 18.3 20.375 25.375
8.275 9.275 10.275 12.375 14.375 16.4 18.4 20.475 25.475
8.175 9.175 10.175 12.175 14.175 16.2 18.2 20.275 25.275
①,The groove angle of 70° is a reference dimension, see ISO 13669.
②,Unless otherwise agreed at the time of the order, the pins are manufactured with rounded ends.
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