16 PCS Hex Shank Drill Bit Set, Titanium Twist Drill Bit Set, 4341 HSS Hex Shank High Speed Steel Drill Bits for Wood, Plastic, Aluminum Alloy, Steel, Metal, Quick Change 1/16”-1/4”

Titanium-Coated hexagon twist drill bit Features ? Using industrial grade 4341 high speed steel (HSS) twist drill bit set, which is harder than ordinary 4241 HSS. The titanium coating increases its durability, so it can be used multiple times. ? With 1/4 inch hexagon handle, it can be fixed in all electric tools more easily and safely, especially suitable for locking and quick replacement chuck. ? The fully ground spiral groove design helps to remove chips and debris on the drill bit, reducing friction and heat, thereby achieving faster and cooler drilling performance. ? The drill bit kit includes all common size specifications, suitable for metal (steel plate, aluminum plate, iron plate), wood, PVC (not suitable for walls). Specification Material: High speed steel, titanium coating Corner point: 135 degrees Tool holder type: Hexagon tool holder 1/16 inch (1.59 mm), 5/64 inch (1.98 mm), 3/32 inch (2.38 mm), 7/64 inch (2.78 mm) 1/8 inch (3.18 mm), 9/64 inch (3.57 mm), 5/32 inch (3.97 mm) 11/64 inches (4.37 mm), 3/16 inches (4.76 mm) 13/64 inches (5.16 mm), 7/32 inches (5.56 mm), 15/64 inches (5.95 mm) 1/4 inch (6.35 mm) Note - When drilling, make the drill bit perpendicular to the object. Ensure that the drill bit and the workpiece are stable, and pay attention to the inclined position that is easy to break. - When using drill bits with electric drills, it is recommended to use them at low speed and low weight on bit. The thicker the drill, the slower the recommended speed and pressure. To avoid breaking, it is recommended to use 1/16 inch and smaller drill bits for flat-nose pliers. - Manual measurement, please allow slight errors. If you have any questions during use, please contact us in time and we will provide you with professional answers.