230PCS HSS Titanium Coated Twist Drill Bit Set

Lus piav qhia luv luv:

Qhov kev xyaum me ntsis no yog tsim los ntawm kev kub ceev hlau nrog titanium nitride txheej, uas muab nws cov tawv tawv tawv heev los pab nkag mus rau cov ntaub ntawv tawv thaum muaj kev tiv thaiv corrosion heev txo kev sib txhuam ntawm me ntsis thiab workpiece.
Cov laum cov khoom no tuaj nrog kev sib tw tsim los ua kom nrawm nrawm nrog lub kaum sab xis uas yog 135 degree sib cais taw tes rau qhov tseeb ntawm tus kheej thiab tsim los txiav qhov nrawm dua vim nws tiv thaiv kev taug kev, tshem cov chips thiab cov khoom sai dua.
Dub oxide tiav txo qhov hnav me ntsis thaum txhawb nqa nti thiab cov dej txias ntws ntawm cov khoom siv ferrous.