Mechanical galvanizing self-drilling screw

I-Mechanical galvanization ivumela izikrufu ukuba zihambelane neeprothokholi ezahlukeneyo zovavanyo lokutya ngokubonelela nge-zinc coating. Izikrufu zinokumelana nesitshizi setyuwa kunye novavanyo lwe-Kesternich ixesha elide, ebonisa ukusebenza kwazo kwindawo enomhlwa. Ukuthotyelwa kwemigangatho efana ne-ASTM B117 iqinisekisa amandla abo okuthintela ukubola.
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