9PCS Bi-metal Hole hụrụ Set ịkpụcha oghere oghere maka osisi Aluminom Iron

Nkọwa dị mkpirikpi:

Ejiri igwe dị elu dị elu (HSS) bi-metal, okpomọkụ na-agwọ na oji carbon ígwè, mgbochi nchara na nke na-eguzogide ọgwụ, ezé ígwè dị elu nwere ike ịrụ ọrụ dị elu, nkwụsị ngwa ngwa, na mgbochi corrosion.Nchara, eyi nguzogide na ogologo ndụ ọrụ.


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