Sib nqus laum tseem hu ua Magnetic broach laum lossis Sib nqus laum xovxwm.Nws txoj kev ua tau zoo yog lub hauv paus sib nqus nplaum rau saum npoo ntawm cov hlau ua haujlwm.Tom qab ntawd nias qhov ua hauj lwm kov downwards thiab laum los ntawm cov kab hnyav tshaj plaws thiab cov hlau plating.Lub zog sib nqus nplaum nplaum tswj los ntawm hluav taws xob coil uas Electromagnetic.Siv annular cutters, cov drills tuaj yeem xuas nrig txog li 1-1/2 "txoj kab uas hla hauv cov hlau mus txog 2" tuab.Lawv tau tsim nrog durability thiab hnyav siv nyob rau hauv lub siab thiab feature haib motors thiab muaj zog sib nqus bases.
