Specification Brand : HARFINGTON BulletPoint1 : Size - Hex wrench drill bit size: 4mm (H4), hex shank size: 1/4", total length: 75mm / 3", rod dia.: 5.5mm / 0.22", effective rod length: 49mm / 0.94", hardness: HRC58-60. Each hex screwdriver bit is clearly engraved with size number for easy identification. BulletPoint2 : Material - Magnetic tips screwdriver drill bit is made of heat-treated S2 steel, the surface is finely polished, glossy, and smooth, reducing friction resistance, excellent corrosion resistance and rust resistance, better than ordinary sandblasting products, anti-bending, anti-fracture, not easy to deform, and durable. BulletPoint3 : Feature - Industrial screwdriver bit adopts a strong magnetism design and can absorb screws vertically or tilted. The head is a hexagonal flat head shape, which can make close contact with the screw, making disassembly and installation more stable and less likely to slip. BulletPoint4 : Application - Magnetic hex head bit has higher torque making it easier to remove and install screws in a small space. It is suitable for furniture assembly, mechanical equipment installation, automobile maintenance, home DIY projects, homemade furniture, woodworking, etc. BulletPoint5 : Note - 1/4 inch quickly release hex shank driver bits widely used in manual electric screwdrivers, drills, and electric drills. Check whether it is firmly installed on the power tool before use. Keep it away from high magnetic and high-temperature environments when storing it to avoid affecting the magnetic effect. Color : Silver Tone CompatibleFastenerDescription : M4 hex head screws CuttingAngleString : 135 degrees CutType : Straight Cut, Carbide-Tipped Cut DriveSystem : Hex ExternallyAssignedProductIdentifier1 : 887861309424 ExternallyAssignedProductIdentifier2 : 0887861309424 ExternallyAssignedProductIdentifier3 : 00664252037087 FinishType : Phosphate Black GpsrSafetyAttestation : 1 IncludedComponents : 13pc Hex Shank Drill Bit Set ItemName : HARFINGTON Hex Head Wrench Drill Bit 4mm (H4) Metric 1/4" Hex Shank 75mm (3") Long Magnetic S2 Steel Screwdriver Bits Industrial Grade Hexagon Flat Tip Drill Bits for Screws ItemPackageDimensions_Height : 15.5 centimeters ItemPackageDimensions_Length : 2 centimeters ItemPackageDimensions_Width : 11.4 centimeters ItemPackageQuantity : 1 ItemShape : Rectangular ItemTypeKeyword : hex-shank-drill-bits Manufacturer : HARFINGTON Material : S2 Steel ModelName : 1/2" ModelNumber : 4mm x 75mm NumberOfBoxes : 1 NumberOfFlutes : 2 NumberOfItems : 1 NumberOfPieces : 1 PackageLevel : unit PartNumber : hta240822hh002396 ProductDescription : 1. The magnetic tips screwdriver drill bit is made of heat-treated S2 steel with a hardness of up to HRC58-60, excellent corrosion resistance and rust resistance, better than ordinary sandblasting products, anti-bending, anti-fracture, not easy to deform, and durable. 2. The hex head screwdriver bit adopts a strong magnetism design and can absorb screws vertically or tilted. The head is a hexagonal flat head shape, which can make close contact with the screw, making disassembly and installation more stable and less likely to slip. 3. The surface is finely polished, glossy, and smooth, reducing friction resistance, enhancing hardness and wear resistance, and having better scratch resistance. Each tamper-proof screwdriver head is clearly engraved with the model number for easy identification. 4. Hex drill bit set has higher torque and is magnetic, making it easier to remove and install screws in a small space. It is suitable for furniture assembly, mechanical equipment installation, automobile maintenance, home DIY projects, homemade furniture, architectural woodworking structures, etc. 1/4 inch quick release hex shank driver bits widely used in manual electric screwdrivers, drills, and electric drills. 5. Check whether it is firmly installed on the power tool before use. Keep it away from high magnetic and high-temperature environments when storing it to avoid affecting the magnetic effect. ProductSiteLaunchDate : 2024-09-12T03:15:04.370Z Size : 4mm x 75mm Style : Nut Driver SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SurfaceRecommendation : Wood UnitCount : 1 UnspscCode : 27111700 Voltage : 120 volts