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2094
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1854
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2460
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1632
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1267
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1105
The self-drilling design simplifies installation. Users can often achieve a secure fit without the need for additional tools like drills or pilot bits, thus speeding up the workflow. This ease of use makes 25mm tek screws particularly appealing to DIY enthusiasts and those who may not have advanced tool sets.
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1036

Figure 4: Shaft end chamfer
Double metal cased
Metal cased design
(ASTM*1 code)
Before fitting the oil seal, it is essential to check that the oil seal, shaft and bore are clean and undamaged. The surfaces the oil seal will come into contact with must be free of sharp points or burrs. The sealing lip is fragile, so even minimal damage can cause a leak. It is also important that the shaft and bore are correctly finished.