MACHINE SCREW PAN HEAD, DIN 7985, ELECTRO ZINC PLATED
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Machine screws are used for all types of installations where a fully threaded metric screw is required.
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The screw is produced in hardened carbon steel in grade 4.8 with bright zinc plated surface treatment. The screw has a round head with a PH bit drive.
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In order for a bolted joint to work correctly and be able to counter static and varying loads for long periods the bolts must be preloaded, for example, by tightening with a given torque. Preloading must normally be held to such a level that the combined load in the bolt does not exceed the bolt material’s tensile yield limit. For the correct installation of a machine screw grade 4.8 to be correct a flat washer of at least HV140 hardness should be used.
Technical Specification
| Application environment | Indoors |
| Head shape | Pan head |
| Corrosion resistance class | C1 |
| Material | 4.8 |
| Standards | DIN 7985 |
| Surface treatment | Zinc plated |
| Product Data Sheet |
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| Product sheet |