HARFINGTON 5pcs Phillips Screwdriver Bit PH2 Serrated Tip 1/4" Hex Shank 3.5" (90mm) Long Impact Magnetic Anti Slip Cross Screw Driver Industrial Power Drill Bits for Remove Fastening Screws

The phillips screwdriver bit is made of specially heat-treated S2 steel, which has excellent strength and durability. The surface is plated with sandy nickel to enhance the surface's anti-oxidation properties, improve its anti-rust and anti-corrosion properties, and is suitable for industrial use.The screwdriver head is magnetized, and the cross head with strong magnetism can stably absorb the screws vertically or obliquely, making it easy to fix the screws, especially in tight spaces.The precision-designed non-slip serrated tip allows a tighter fit with the screw and better grips the screw surface.The non-slip hex impact screwdriver bit has a delicate waist design with strong impact resistance and can withstand high torque output. Its plastic-sealed leather sheath acts as an insulator.The specially designed cross head drill bit can easily screw into wood, metal and other materials. Screws can be tightened precisely without damaging the screws and screwdriver heads. 1/4" hexagonal shank screwdriver bits can be used with electric screwdrivers, manual screwdrivers, electric drills, etc. for electrical work, mechanical repair work, and furniture installation.Before operation, make sure the screwdriver bit is firmly inserted into the power tool chuck. Avoid excessive force when tightening the screw to prevent the bit from being damaged or slipping out.

• Size - Phillips head size: PH2; hex shank size: 1/4"; overall length: 90mm / 3.5"; rod diameter: 4.5mm / 0.18"; hardness: HRC58-62 (The recognized stable hardness is around HRC60.).
• Material - Phillips screwdriver bit is made of specially heat-treated S2 steel, which has excellent strength and durability. The surface is plated with sandy nickel to enhance the surface's anti-oxidation properties, improve its anti-rust and anti-corrosion properties, and is suitable for industrial use.
• Features - The precision-designed non-slip serrated tip can better grip the screw surface. Screwdriver head has a magnetic force that can stably absorb the screws vertically or tilted, making it easy to fix the screws, especially in tight spaces. Delicate waist design with strong impact resistance and can withstand high torque output. Its plastic-sealed leather sheath acts as an insulator.
• Application - Phillips tips screwdriver bit can easily screw into wood, metal and other materials. Screws can be tightened precisely without damaging the screws and screwdriver heads. 1/4" hexagonal shank screwdriver bits can be used with electric screwdrivers, manual screwdrivers, electric drills, etc. for electrical work, mechanical repair work, and furniture installation.
• Note - Before operation, make sure the screwdriver bit is firmly inserted into the power tool chuck. Avoid excessive force when tightening the screw to prevent the bit from being damaged or slipping out.