3pcs HSS Step Drill Bit nrog kauv flute
NTA
1. High-speed steel (HSS) khoom.
2. Lub kauv raj ntawm lub laum me ntsis pab txo kev sib txhuam thiab kub thaum lub sij hawm drilling, txhim kho cov kav ntev thiab kev pab cuam lub neej ntawm lub laum ntsis.
3. Kauj ruam tsim.
4. Ntau qhov ntau thiab tsawg.
5. Lub laum me ntsis ua haujlwm ntawm ntau yam khoom siv thiab tsim nyog rau DIY tej yaam num, kev tsim kho, thiab hlau ua haujlwm.
Zuag qhia tag nrho, 3-thooj HSS cov kauj ruam xyaum me ntsis nrog kauv flute muaj kev ua haujlwm ntev, muaj peev xwm, thiab ua haujlwm tau zoo rau ntau yam kev siv drilling.
Kauj ruam xyaum
Sau koj cov lus ntawm no thiab xa tuaj rau peb
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