... Bright.. 5)Point angle:90/120 degree Spotting drill bits,drill bits,drilling tools,cutting toolsFeature1.Size:standard 3mm ... Application material: Construction Steels,Mild Steels,Alloy Steels,Alloy Steels,Hardened Steels,Extra Hard Steels,Ductile Cast Iron,Mold Steels,Aluminum.6.Mainly used ... .comSKYPE: Kelly16230Trademanager: cn1000340775Mobile: 0086 13774658955 Spotting drill bits,gun drill bits