Home Improvement By HARFINGTON

• Size - Drill Diameter: 2mm / 0.08-inch, Drill Bit Length: 20mm / 0.79-inch, Shank Size: 1/4 Inch(6mm) Hex, Total Length: 68mm / 2.68-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 - Drill Diameter: 13mm / 0.51-inch, Drill Bit Length: 87mm / 3.43-inch, Shank Size: 1/4 Inch(6mm) Hex, Total Length: 150mm / 5.91-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 - Drill Diameter: 1.5mm / 0.06-inch, Drill Bit Length: 14mm / 0.55-inch, Shank Size: 1/4 Inch(6mm) Hex, Total Length: 62mm / 2.44-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 - Drill Diameter: 10.2mm / 0.4-inch, Drill Bit Length: 80mm / 3.15-inch, Shank Size: 1/4 Inch(6mm) Hex, Total Length: 133mm / 5.24-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 - Drill Diameter: 7mm / 0.28-inch, Drill Bit Length: 60mm / 2.36-inch, Shank Size: 1/4 Inch(6mm) Hex, Total Length: 110mm / 4.33-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 - Drill Diameter: 8.5mm / 0.33-inch, Drill Bit Length: 64mm / 2.52-inch, Shank Size: 1/4 Inch(6mm) Hex, Total Length: 115mm / 4.53-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 - Drill Diameter: 11.5mm / 0.45-inch, Drill Bit Length: 77mm / 3.03-inch, Shank Size: 1/4 Inch(6mm) Hex, Total Length: 140mm / 5.51-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 - 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: 1.7mm / 0.067\"; cutting edge length: 19mm / 0.75\"; shank diameter: 1.7mm / 0.067\"; 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: 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 - Drilling diameter: 55mm / 2-3/16\"; shank size: 10mm / 3/8\"; drilling depth (max.): 60mm / 2.36\"; total length: 90mm / 3.54\"; shank type: hex shank
• Material - Heat-treated tungsten carbide tips provide excellent hardness and toughness, wear resistance, heat resistance for long-lasting performance and extended tool life. The sprayed coating has a smooth, even surface that resists rust and corrosion.
• Feature - The center spur helps guide it through wood and ensure accurate start holes. The head adopts 3 flutes, 4 spurs, 15 degree angel cutter and arc curve, which has low cutting resistance, smooth chip removal, uniform force and higher perforation efficiency.
• 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 Diameter: 3.3mm / 0.13-inch, Flute Length: 28mm / 1.1-inch, Shank Diameter: 3.3mm / 0.13-inch, Total Length: 64mm / 2.52-inch
• Material - The M35 drill bit is made of cobalt high speed steel, contains 5% Cobalt, high hardness, fast cutting speed, improve wear resistance, more durable than ordinary high speed steel drill bit.
• Feature - 135 degree Quick-cut split point, round straight shank, prevent walking, make drilling accurate and faster. Fully ground spiral groove design, quickly removes debris, reduces friction and heat, ensures smooth chip movement.
• Application - The cobalt drill bit can be used to harden materials. Such as hard metal, stainless steel, copper, aluminum, cast iron, plastic and wood, can also be used for softer materials. Not suitable for glass or ceramic materials.
• Note - This series are small drill bits, please note the size before you buy. Suggest speed 100-800r/min.

• Size - Cutting Diameter: 1.4mm / 0.06-inch, Flute Length: 18mm / 0.71-inch, Shank Diameter: 1.4mm / 0.06-inch, Total Length: 39mm / 1.54-inch
• Material - The M35 drill bit is made of cobalt high speed steel, contains 5% Cobalt, high hardness, fast cutting speed, improve wear resistance, more durable than ordinary high speed steel drill bit.
• Feature - 135 degree Quick-cut split point, round straight shank, prevent walking, make drilling accurate and faster. Fully ground spiral groove design, quickly removes debris, reduces friction and heat, ensures smooth chip movement.
• Application - The cobalt drill bit can be used to harden materials. Such as hard metal, stainless steel, copper, aluminum, cast iron, plastic and wood, can also be used for softer materials. Not suitable for glass or ceramic materials.
• Note - This series are small drill bits, please note the size before you buy. Suggest speed 100-800r/min.

• Size - Material Width: 19mm / 0.75-inch, Material Thickness: 0.7mm / 0.03-inch, Spring OD: 64mm / 2.52-inch, Inner Mounting Type: Hook, Outer Mounting Type: Roll, 1 x Drill Press Spring
• Material - Made of spring steel, strong and durable, high elasticity, and not easy to break. Chemical blackening, the product performance forms an oxide film and prevents rust.
• Feature - Inner mounting type is the hook, outer mounting type is the roll. When installing, install the spring with a fixed wire directly into the spring, and the wire will slide out.
• Application - This is the chrome-plated spring that returns the sleeve to the top after drilling. Used for all kinds of vacuum cleaner coil springs, volume tube coil springs, and safety coil springs.
• Note - Pay attention to safety when installing springs. Do not loosen the wire of the fixed springs before installing.

• Size - Cutting edge diameter: 1.25mm / 0.049\"; cutting edge length: 15mm / 0.59\"; shank diameter: 1.25mm / 0.049\"; 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: 1.75mm / 0.069\"; cutting edge length: 19mm / 0.75\"; shank diameter: 1.75mm / 0.069\"; 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.

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