... Material: M42, M35, M2, HSS9341, HSS4341 HSS Twist Drill Titanium Coatedstraight shankMaterial:HSSStandard:DIN338,DIN340,DIN345,DIN1897,DIN8039Material:M42,M35 ... ,M2,HSS9341,HSS4341Feature:Titanium nitride coating extends the life of the bitHeavy-duty ... point reduces feed pressure for easier penetration without hardening Titanium Coated HSS Twist Drill ...