4pcs woodworking Chamfering Countersink khoom teeb
Nta
1.Cov khoom siv feem ntau suav nrog plaub qhov sib txawv ntawm qhov sib txawv ntawm cov cuab yeej laum kom tau raws li ntau yam kev xav tau ntawm kev ua haujlwm ntoo.
2 High-Speed Steel Construction
3.90 DEGREE CHAMBELL
4.Drill cov khoom feem ntau muaj cov npoo ntse ntse uas ua kom huv si, ua haujlwm zoo thaum txo cov ntoo splintering.
5.Cov khoom siv no tsim nyog rau kev siv ntoo xws li countersunk taub hau screws thiab tsim cov npoo du ntawm cov npoo ntoo.
KHOOM PLIG
Sau koj cov lus ntawm no thiab xa tuaj rau peb