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Self Drilling Screw Nrog tis

  • self drilling screw with wings

    tus kheej drilling ntsia hlau nrog tis

    Rau kev sib sau cov ntoo ntawm cov hlau, ib lub qhov ntawm cov ntoo yuav tsum muaj qee qhov chaw kom tsis txhob muaj cov xov, cov ntoo ua ntej lub laum nyob rau hauv lub sawb tiav, Lub Self-Drilling point drills steel whilst lub tis lub tswv yim tsim ib tug pilot qhov braking tawm thaum dhau. los ntawm cov hlau, txwv tsis pub lub laum taub yuav raug hlawv, ntoo, tawg los yog kho ntoo-strip unglued.Daim ntawv thov 1: Ob lub tis zam ntoo kom puas los ntawm kev khawb ib lub qhov pilot.Nrog ribs hauv qab lub taub hau uas countersunk ntoo ...