Our HSS Twist Drill Bit Set is made of high speed steel, Surface of drill tools is titanium coated. It contains 60pcs total quantity and 6 sizes: 1mm/1.5mm/2mm/2.5mm/3mm/3.5mm (10 piece each size).
Firm Material: Our HSS Twist Drill Bit Set is made of high speed steel, Surface of drill tools is titanium coated. It contains 60pcs total quantity and 6 sizes: 1mm/1.5mm/2mm/2.5mm/3mm/3.5mm (10 piece each size).
Titanium Coated: The function of Titanium is to enhance the surface hardness of the drill to improve machining accuracy and improve the quality of the surface of the drill to reduce the friction coefficient with the workpiece processing, titanium and improve temperature resistance and wear resistance, thereby increasing the processing speed for high-speed processing.
Twist Design & Performance: Accurate 135°Split Point, gold oxide finish and round straight shanks. Prevent walking, clear chips and particles faster. Produced by precision fully ground which ensures chips move smoothly.
Wide Range of Uses: Drill set are very helpful in all small job around house, doing some type of DIY, craft project and General Building / Construction Use, it can be used to drill holes in a variety of surfaces including aluminum, wood and plastic.
Warm Note: Please DO NOT use these drill bits for metal drilling. The drill bits set can not fit for using on hard materials, such as steel, copper, iron, concrete, etc.
