KEELAT 13PCS Twist Drill Bit Set 1/4 Hex Shank Cobalt HSS Wood Metal Core Hole Cutter Drilling Tool Sizes 1.5mm-6.5mm

KEELAT Premium Drill Bit & Screwdriver Bit SetThis professional-grade tool set from KEELAT combines high-performance titanium-plated twist drill bits and impact-resistant PH2 Phillips screwdriver bits, perfectly meeting the needs of professional maintenance, home decoration, furniture assembly and daily DIY projects. With a universal 1/4 inch hex shank design, it is compatible with most electric drills, impact drivers and cordless screwdrivers on the market, providing stable and efficient performance for all your drilling and fastening work.【Features】Superior Durable MaterialsPH2 screwdriver bits are forged from industrial S2 alloy steel, with ultra-high hardness, excellent impact resistance and wear resistance, not easy to deform or break under high-intensity work.Twist drill bits are made of high-speed steel (HSS) with titanium plating treatment, which greatly improves rust resistance, sharpness and service life, ensuring smooth and fast drilling for a long time.Universal Quick-Change DesignAll bits adopt standard 1/4 inch (6.35mm) hex shank, which can be quickly installed and replaced, perfectly compatible with most electric drills, impact drivers, electric screwdrivers and other power tools.Full Size Coverage for All ScenariosScrewdriver bits are available in 6 lengths (25mm/50mm/65mm/70mm/90mm/150mm) to adapt to different depth fastening needs. The non-slip precision cross tip fits the screw tightly, effectively preventing slipping and screw stripping.13pcs twist drill bits cover common diameters from 1.5mm to 6.5mm. The optimized spiral flute design realizes fast and smooth chip removal, suitable for drilling on wood, metal, plastic, gypsum board and other materials.Humanized Detail DesignThe screwdriver bits are equipped with a torsion buffer ring to reduce vibration during work, improve torque stability and operation accuracy.The titanium-plated surface of the drill bits reduces friction and heat generation during drilling, making the drilling process smoother and more labor-saving.Wide ApplicationIt is an essential tool set for professional repairmen, carpenters, construction workers and DIY enthusiasts. It is widely used in home decoration, furniture assembly, mechanical maintenance, handicraft production and other scenarios.【Specifications】ItemParametersPH2 Screwdriver BitsMaterialIndustrial S2 Alloy SteelShank Type1/4 inch (6.35mm) Hex ShankLength Options25mm / 50mm / 65mm / 70mm / 90mm / 150mmTip TypePH2 Phillips Non-slip TipTitanium Plated Twist Drill BitsQuantity13 PiecesMaterialHigh Speed Steel (HSS) + Titanium PlatingShank Type1/4 inch (6.35mm) Hex ShankDiameter Sizes1.5mm, 2.0mm, 2.5mm, 3.0mm, 3.2mm, 3.5mm, 4.0mm, 4.5mm, 4.8mm, 5.0mm, 5.5mm, 6.0mm, 6.5mmTotal Length120mmApplicable MaterialsWood, Metal, Plastic, Gypsum Board, Composite Board, etc.