Home Improvement By HARFINGTON

• Size - Drill Diameter: 10mm / 0.39-inch, Drill Bit Length: 73mm / 2.87-inch, Shank Size: 1/4 Inch(6mm) Hex, Total Length: 130mm / 5.12-inch
• Material - The hex drill bit is made of M35 cobalt high speed steel with sharp edge. The surface is coated with titanium, which has higher hardness, better wear resistance and longer service life than ordinary drills.
• Feature - 1/4 \" hex shank, which can quickly replace the drill bit. The fully ground spiral groove design can quickly remove debris, reduce friction and heat, and drill faster. The 135 degree straight shank split point reduces walking on the working face, making drilling accurate and easy.
• Application - Hex twist drill bits are used for applications such as DIY projects, and home maintenance. Suitable for steel, copper, aluminum, zinc alloy, cast iron, wood and plastic.
• Note - Please keep cool and gentle using, the working life of the twist drill bits can be largely prolonged by proper usage.

• Size - 6mm x 16mm rubber grinding mounted points with 2.35mm shank, lightweight and portable
• Material - Made of silicone and corundum abrasive, good grinding effect and long-lasting performance.
• Feature - Excellent stability for both grinding and polishing and it's not burnt the workpiece during used
• Application - Suitable for polishing, and buffing wood, jade, metal, glass, stone, bead, handicrafts, and other products to make the surfaces cleaner and brighter. Great for cleaning and smoothing jewelry after soldering, work well for polishing and rounding the rough edges of rings.
• Usage - can be installed on electric rotary tools such as grinders, electric drills, and more, easy to use, and time-saving.

• Size - Drilling diameter: 23mm / 0.91\"; shank size: 10mm / 0.39\"; drilling depth: 60mm / 2.36\"; total length: 87.8mm / 3.46\" (The forstner drill bit is specially designed for industrial use.)
• Material - K30/C1/YG8 grade tungsten carbide tips have excellent hardness, wear resistance, heat resistance, ensuring long-lasting performance and extended tool life. Provides precision drilling for smoother and more efficient cutting.
• Feature - The spur help guide it through wood and ensure accurate start holes, reducing slippage. Arc curve design head for easy chip-removal, more efficient perforation. Adopts 45# carbon steel shank, which has good strength, durability and sufficient rigidity.
• Applications - The forstner bit is suitable for softwood, hardwood, solid wood, plywood, laminate and MDF. Easily drills flat-bottomed and pocket holes with precise, smooth finish. Widely used for furniture joints and woodworking projects, such as mortise joints, dowels, hinge cups, shelf pin, pocket screw.
• Note - Used with handheld drills, drill presses, CNC routers etc. Recommended to use on desktop (fixed) equipment. Do not drill metal and non-ferrous metals. Use a cutting oil or lubricant, hold still, control the speed, apply pressure gradually, and always wear protective equipment.

• Size - Cutting edge diameter: 1.05mm / 0.041\"; cutting edge length: 14mm / 0.55\"; shank diameter: 1.05mm / 0.041\"; overall length: 40mm / 1.57\"; cutting hardness (max.): HRC45; tool flute type: spiral
• Material - The solid carbide drill bit is made of a micro grain tungsten-cobalt alloy with an average cobalt content of 6%, high hardness (HRC92), wear resistance, heat resistance, high bending strength, resistance to stick. it is harder but more brittle.
• Feature - Large and spiral chip space design for fast and clean chip removal. Sharp cutting edge provides smooth cutting and no glitches. With good milling and cutting performance, carbide ensures high working efficiency.
• Application - Suitable for precisely drilling materials below HRC45, such as stainless steel, alloy steel, tool steel, carbon steel, aluminum alloy, plastic, wood, etc.. Drill metal with high hardness, the rotational speed should be slower than normal drilling.
• Note - Used on machining centers, drilling machines, CNC lathes, CNC engraving and milling machines. Adapt to several kinds of cooling conditions, such as oil mist, water, oil, air cooling. Suitable lubricant is conducive to cutting or cooling, making cutting easier.

• Size - Cutting edge diameter: 11.8mm / 0.465\"; cutting edge length: 75mm / 2.95\"; shank diameter: 11.8mm / 0.465\"; overall length: 142mm / 5.59\"; cutting point angle: 135 degree; manufacturing technology: fully-ground
• Material - M42 steel is a super-hard cobalt high-speed tool steel containing 8% cobalt, with good toughness, high wear resistance, high cutting efficiency, and good hot hardness. Nanoscale gold titanium coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant.
• Features - Sharp cutting edge provides fast, neat and smooth cuts. The spiral groove facilitates the export of metal chips, saving time and effort in operation. Chamfered shank design for easier clamping and less slippage during use.
• Applications - The straight shank drill bits are widely used for drilling hardened steel, titanium alloy, stainless steel, copper, aluminum, cast iron, and other metal materials. Do not drill quenched and tempered materials.
• Notes - Choose the right lubricant can facilitate cutting or cooling, make cutting easier, and improve dimensional accuracy. Please pay attention to the speed adjustment when using the electric drill. The larger the drilling size, the slower the speed requirement.

• Size - Cutting edge diameter: 6.6mm / 0.26\"; cutting edge length: 50mm / 1.97\"; shank diameter: 6.6mm / 0.26\"; overall length: 101mm / 3.98\"; cutting point angle: 135 degree; manufacturing technology: fully-ground
• Material - M42 steel is a super-hard cobalt high-speed tool steel containing 8% cobalt, with good toughness, high wear resistance, high cutting efficiency, and good hot hardness. Nanoscale gold titanium coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant.
• Features - Sharp cutting edge provides fast, neat and smooth cuts. The spiral groove facilitates the export of metal chips, saving time and effort in operation. Chamfered shank design for easier clamping and less slippage during use.
• Applications - The straight shank drill bits are widely used for drilling hardened steel, titanium alloy, stainless steel, copper, aluminum, cast iron, and other metal materials. Do not drill quenched and tempered materials.
• Notes - Choose the right lubricant can facilitate cutting or cooling, make cutting easier, and improve dimensional accuracy. Please pay attention to the speed adjustment when using the electric drill. The larger the drilling size, the slower the speed requirement.

• Size - Cutting edge diameter: 2.4mm / 0.094\"; cutting edge length: 27mm / 1.06\"; shank diameter: 2.4mm / 0.094\"; overall length: 57mm / 2.24\"; cutting point angle: 135 degree; manufacturing technology: fully-ground
• Material - M42 steel is a super-hard cobalt high-speed tool steel containing 8% cobalt, with good toughness, high wear resistance, high cutting efficiency, and good hot hardness. Nanoscale gold titanium coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant.
• Features - Sharp cutting edge provides fast, neat and smooth cuts. The spiral groove facilitates the export of metal chips, saving time and effort in operation. Chamfered shank design for easier clamping and less slippage during use.
• Applications - The straight shank drill bits are widely used for drilling hardened steel, titanium alloy, stainless steel, copper, aluminum, cast iron, and other metal materials. Do not drill quenched and tempered materials.
• Notes - Choose the right lubricant can facilitate cutting or cooling, make cutting easier, and improve dimensional accuracy. Please pay attention to the speed adjustment when using the electric drill. The larger the drilling size, the slower the speed requirement.

• Size - Cutting edge diameter: 11.3mm / 0.445\"; cutting edge length: 75mm / 2.95\"; shank diameter: 11.3mm / 0.445\"; overall length: 142mm / 5.59\"; cutting point angle: 135 degree; manufacturing technology: fully-ground
• Material - M42 steel is a super-hard cobalt high-speed tool steel containing 8% cobalt, with good toughness, high wear resistance, high cutting efficiency, and good hot hardness. Nanoscale gold titanium coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant.
• Features - Sharp cutting edge provides fast, neat and smooth cuts. The spiral groove facilitates the export of metal chips, saving time and effort in operation. Chamfered shank design for easier clamping and less slippage during use.
• Applications - The straight shank drill bits are widely used for drilling hardened steel, titanium alloy, stainless steel, copper, aluminum, cast iron, and other metal materials. Do not drill quenched and tempered materials.
• Notes - Choose the right lubricant can facilitate cutting or cooling, make cutting easier, and improve dimensional accuracy. Please pay attention to the speed adjustment when using the electric drill. The larger the drilling size, the slower the speed requirement.

• Size - Cutting edge diameter: 6.4mm / 0.252\"; cutting edge length: 50mm / 1.97\"; shank diameter: 6.4mm / 0.252\"; overall length: 101mm / 3.98\"; cutting point angle: 135 degree; manufacturing technology: fully-ground
• Material - M42 steel is a super-hard cobalt high-speed tool steel containing 8% cobalt, with good toughness, high wear resistance, high cutting efficiency, and good hot hardness. Nanoscale gold titanium coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant.
• Features - Sharp cutting edge provides fast, neat and smooth cuts. The spiral groove facilitates the export of metal chips, saving time and effort in operation. Chamfered shank design for easier clamping and less slippage during use.
• Applications - The straight shank drill bits are widely used for drilling hardened steel, titanium alloy, stainless steel, copper, aluminum, cast iron, and other metal materials. Do not drill quenched and tempered materials.
• Notes - Choose the right lubricant can facilitate cutting or cooling, make cutting easier, and improve dimensional accuracy. Please pay attention to the speed adjustment when using the electric drill. The larger the drilling size, the slower the speed requirement.

• Size - Cutting edge diameter: 3.3mm / 0.13\"; cutting edge length: 29mm / 1.14\"; shank diameter: 3.3mm / 0.13\"; overall length: 65mm / 2.56\"; cutting point angle: 135 degree; manufacturing technology: fully-ground
• Material - M42 steel is a super-hard cobalt high-speed tool steel containing 8% cobalt, with good toughness, high wear resistance, high cutting efficiency, and good hot hardness. Nanoscale gold titanium coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant.
• Features - Sharp cutting edge provides fast, neat and smooth cuts. The spiral groove facilitates the export of metal chips, saving time and effort in operation. Chamfered shank design for easier clamping and less slippage during use.
• Applications - The straight shank drill bits are widely used for drilling hardened steel, titanium alloy, stainless steel, copper, aluminum, cast iron, and other metal materials. Do not drill quenched and tempered materials.
• Notes - Choose the right lubricant can facilitate cutting or cooling, make cutting easier, and improve dimensional accuracy. Please pay attention to the speed adjustment when using the electric drill. The larger the drilling size, the slower the speed requirement.

• Size - Cutting edge diameter: 6mm / 0.236\"; cutting edge length: 45mm / 1.77\"; shank diameter: 6mm / 0.236\"; overall length: 93mm / 3.66\"; cutting point angle: 135 degree; manufacturing technology: fully-ground
• Material - M42 steel is a super-hard cobalt high-speed tool steel containing 8% cobalt, with good toughness, high wear resistance, high cutting efficiency, and good hot hardness. Nanoscale gold titanium coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant.
• Features - Sharp cutting edge provides fast, neat and smooth cuts. The spiral groove facilitates the export of metal chips, saving time and effort in operation. Chamfered shank design for easier clamping and less slippage during use.
• Applications - The straight shank drill bits are widely used for drilling hardened steel, titanium alloy, stainless steel, copper, aluminum, cast iron, and other metal materials. Do not drill quenched and tempered materials.
• Notes - Choose the right lubricant can facilitate cutting or cooling, make cutting easier, and improve dimensional accuracy. Please pay attention to the speed adjustment when using the electric drill. The larger the drilling size, the slower the speed requirement.

• Size - Cutting edge diameter: 4.9mm / 0.193\"; cutting edge length: 40mm / 1.57\"; shank diameter: 4.9mm / 0.193\"; overall length: 86mm / 3.39\"; cutting point angle: 135 degree; manufacturing technology: fully-ground
• Material - M42 steel is a super-hard cobalt high-speed tool steel containing 8% cobalt, with good toughness, high wear resistance, high cutting efficiency, and good hot hardness. Nanoscale gold titanium coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant.
• Features - Sharp cutting edge provides fast, neat and smooth cuts. The spiral groove facilitates the export of metal chips, saving time and effort in operation. Chamfered shank design for easier clamping and less slippage during use.
• Applications - The straight shank drill bits are widely used for drilling hardened steel, titanium alloy, stainless steel, copper, aluminum, cast iron, and other metal materials. Do not drill quenched and tempered materials.
• Notes - Choose the right lubricant can facilitate cutting or cooling, make cutting easier, and improve dimensional accuracy. Please pay attention to the speed adjustment when using the electric drill. The larger the drilling size, the slower the speed requirement.

• Size - Cutting edge diameter: 9.2mm / 0.362\"; cutting edge length: 65mm / 2.56\"; shank diameter: 9.2mm / 0.362\"; overall length: 125mm / 4.92\"; cutting point angle: 135 degree; manufacturing technology: fully-ground
• Material - M42 steel is a super-hard cobalt high-speed tool steel containing 8% cobalt, with good toughness, high wear resistance, high cutting efficiency, and good hot hardness. Nanoscale gold titanium coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant.
• Features - Sharp cutting edge provides fast, neat and smooth cuts. The spiral groove facilitates the export of metal chips, saving time and effort in operation. Chamfered shank design for easier clamping and less slippage during use.
• Applications - The straight shank drill bits are widely used for drilling hardened steel, titanium alloy, stainless steel, copper, aluminum, cast iron, and other metal materials. Do not drill quenched and tempered materials.
• Notes - Choose the right lubricant can facilitate cutting or cooling, make cutting easier, and improve dimensional accuracy. Please pay attention to the speed adjustment when using the electric drill. The larger the drilling size, the slower the speed requirement.

• Size - Cutting edge diameter: 2.3mm / 0.091\"; cutting edge length: 23mm / 0.91\"; shank diameter: 2.3mm / 0.091\"; overall length: 53mm / 2.09\"; cutting point angle: 135 degree; manufacturing technology: fully-ground
• Material - M42 steel is a super-hard cobalt high-speed tool steel containing 8% cobalt, with good toughness, high wear resistance, high cutting efficiency, and good hot hardness. Nanoscale gold titanium coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant.
• Features - Sharp cutting edge provides fast, neat and smooth cuts. The spiral groove facilitates the export of metal chips, saving time and effort in operation. Chamfered shank design for easier clamping and less slippage during use.
• Applications - The straight shank drill bits are widely used for drilling hardened steel, titanium alloy, stainless steel, copper, aluminum, cast iron, and other metal materials. Do not drill quenched and tempered materials.
• Notes - Choose the right lubricant can facilitate cutting or cooling, make cutting easier, and improve dimensional accuracy. Please pay attention to the speed adjustment when using the electric drill. The larger the drilling size, the slower the speed requirement.

• Size - Cutting edge diameter: 2.7mm / 0.106\"; cutting edge length: 26mm / 1.02\"; shank diameter: 2.7mm / 0.106\"; overall length: 61mm / 2.4\"; cutting point angle: 135 degree; manufacturing technology: fully-ground
• Material - M42 steel is a super-hard cobalt high-speed tool steel containing 8% cobalt, with good toughness, high wear resistance, high cutting efficiency, and good hot hardness. Nanoscale gold titanium coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant.
• Features - Sharp cutting edge provides fast, neat and smooth cuts. The spiral groove facilitates the export of metal chips, saving time and effort in operation. Chamfered shank design for easier clamping and less slippage during use.
• Applications - The straight shank drill bits are widely used for drilling hardened steel, titanium alloy, stainless steel, copper, aluminum, cast iron, and other metal materials. Do not drill quenched and tempered materials.
• Notes - Choose the right lubricant can facilitate cutting or cooling, make cutting easier, and improve dimensional accuracy. Please pay attention to the speed adjustment when using the electric drill. The larger the drilling size, the slower the speed requirement.

• Size - Drill Diameter: 9.5mm / 0.37-inch, Drill Bit Length: 65mm / 2.56-inch, Shank Size: 1/4 Inch(6mm) Hex, Total Length: 122mm / 4.8-inch
• Material - The hex drill bit is made of M35 cobalt high speed steel with sharp edge. The surface is coated with titanium, which has higher hardness, better wear resistance and longer service life than ordinary drills.
• Feature - 1/4 \" hex shank, which can quickly replace the drill bit. The fully ground spiral groove design can quickly remove debris, reduce friction and heat, and drill faster. The 135 degree straight shank split point reduces walking on the working face, making drilling accurate and easy.
• Application - Hex twist drill bits are used for applications such as DIY projects, and home maintenance. Suitable for steel, copper, aluminum, zinc alloy, cast iron, wood and plastic.
• Note - Please keep cool and gentle using, the working life of the twist drill bits can be largely prolonged by proper usage.

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