Hakkin 99pcs Heavy Duty HSS 4341 Twist Drill Bit Set, 1.5-10mm Drill Bits with Titanium and Black Nitride Coated, Anti-Walking 135 Boring Drill Bits for Steel, Wood, Plastic, Metal with Storage Case
Value package This set includes the most used compatible round-shank sizes of twist drill bits, it contains 14 sizes total 99pcs quantity and : 1.5mm/2mm/2.5mm/3mm/3.2mm/3.5mm/4mm/4.5mm/ 5mm/5.5mm/6.0mm/6.5mm/8mm/10mm. Enough quanty drills meet your need and regular replacement..
HSS 4341 Gold Titanium and Black Nitride Coated Twist drill bits made with high speed steel 4341 construction with titanium and black nitride coating gives our bits a very high surface hardness and corrosion resistance, reducing torque and friction between bit and workpiece, improve temperature resistance and wear resistance. Titanium coated bits last up to 6X longer than standard high-speed steel bits, hardness level HRC 63-65..
135 Degree Split Point DesignThe 135 fast cutting point is automatically centered and penetrates quickly with reduces bit slip and walking, less pressure, Extremely high hardness, in the drilling work has excellent processing performance. All grinding sharp ligament sticky milling work hole smooth no burr..
High-quality Storage BoxDrill Bits come neatly organized in a sturdy storage tray case keeps bits in their relevant compartments protecting them from knocks and drops. Sizes are printed on the case lid underside helps you discover the one ....