CXB3590 1500W

DarthBlazeAnthony said:
why?
Click to expand...
Aluminum is soft enough. It's a lot of extra work tapping the holes. You can if you want, but don't use an all in one like that. Use a 4-40 drill and tap set the drill is smaller than the actual tap and is made so it can work with threads. Those flat bottom screws are great if you have it tapped. But that's the only way they'll go in.
With m3 screws, using a 2.5 for pilot, then a 2.8 after gives your screws just enough width to "press" it's own threads.
 
Airwalker16 said:
Aluminum is soft enough. It's a lot of extra work tapping the holes. You can if you want, but don't use an all in one like that. Use a 4-40 drill and tap set the drill is smaller than the actual tap and is made so it can work with threads. Those flat bottom screws are great if you have it tapped. But that's the only way they'll go in.
With m3 screws, using a 2.5 for pilot, then a 2.8 after gives your screws just enough width to "press" it's own threads.
Click to expand...
2.5-2.8mm? I already purchased the tap and center punch. I do not have metric size bits but I can purchase if you really think it is easier.
 
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