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[ruituoprecision]

[ruituoprecision]

Friction drill bits also is flow drill or hot melt drill. It is used to drilling the metal sheet. Usually it will be used together with tap.

There are flat head and round head; short cutting head and long cutting head. If some one said there are only one size or one type. You maybe need think about it carefully.

Today this is the fresh photos of drill bits from our factory. Can you know which type they are?

[ruituoprecision]

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