6 Size HSS Titanium Cross Glass Cross Spear Point Head Drill Bit 8mm 10MM

Specification： Material：alloy,platingtitanium Openingdiameter:4mm5mm6mm8mm10mm12mm Plsleaveamassagetoustellwhichsizeyouneed. Size：(LXshankD) 4mm:64x3.5mm 5mm:68x4mm 6mm:68x4mm 8mm:70x5mm 10mm:88x7mm 12mm:88x7mm Feature： Titaniumdrilladdstrengtheningalloyhardness,reducingalloywearandextendproductlife. Forceramics,glass,granite,brickandotherbrittlematerialspunctured. Drillcanbeinstalleddirectlyintheordinarydrilltouse. Note: 1.Thisbitforthehardbrittleceramicmaterialsuchasglassandsoon,itcanbeusedwiththeordinarydrillinghammet. Itmustbeaddedcoolantwhenitisbeingused. 2.Whendrillingholes,yourforceshouldbeslow,especiallywhenatthebeginingofdrillling andatthemomentofdrillingtheglassthrouth. 3.Turntotherightwhenworking,speed400-500. Packageinclude: 1xdrillbit















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