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ISO 8751

ISO 8751, Light Duty Coiled Spiral Pins standard.

ISO 8751 light duty Coiled Spiral Pin Drawing

ISO 8751 Light duty Coiled Spiral Pins dimension as below:

Size d1 max. d1 min. d2 max.
Before Mounting
a s
1.5 1.75 1.62 1.4 0.5 0.08
2 2.28 2.13 1.9 0.7 0.11
2.5 2.82 2.65 2.4 0.7 0.14
3 3.35 3.15 2.9 0.9 0.17
3.5 3.87 3.67 3.4 1 0.19
4 4.45 4.20 3.9 1.1 0.22
5 5.5 5.2 4.85 1.3 0.28
6 6.55 6.25 5.85 1.5 0.33
8 8.65 8.30 7.8 2 0.45