Top 8 Best 3mm Drill Bit

Features Cutting Edge Diameter 3mm 0.12 Shank Diameter 3mm 0.12 Cutting Edge Length 27mm 1.06 Total Length 60mm 2.36 Cutting Direction Right Hand. High Speed Steel Tool High-speed steel straight shank tool is good for most general purpose applications, offering a combination of hardness and toughness for wear resistance. Sharp Spiral Flutes Provide neat and smooth cuts. High cutting edge strength, fast cutting speed. Spiral groove facilitates the export of metal chip, saving time and effort in operation.. Black Gold Oxide Finish Premium gold titanium and black nitride dual coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant. Versatile Uses For use in a wide range of stainless steel, aluminum alloy, iron, copper, brass, wood, plastic, and other metal materials. Suitable for hand drills, bench drills, etc. Clamping stable round shank design, not easy to shake, tight clamping without slipping.

Optimized spurs insure fast and easy cutting of the wood fibers before the hole is drilled. Beveled edge leads to a perfect drilling of the diameter without any deviation. For use in soft, hard, exotic, veneered and laminated wood as well as MDF and even acrylic glass. Made in Austria.

Heat Resistant This metric straight shank twist drill set is made of 5 cobalt high speed steel, adding molybdenum and cobalt to form a hardened alloy with a Rockwell hardness of 67, It is super heat resistant and wear resistance can cut hard metals quickly, suitable for drilling high hardness materials, up to 10 times life than ordinary HSS drill bits.. Safe Eco-friendly High speed steel with 5 cobalt, durable, safe and eco-friendly, providing longer tool life and reducing environmental pollution, It is a very practical and user-friendly drill bit for cutting through hardened material, golden surface treatment holds up lubricant better for smoother drilling.. Lightweight Durable Designed with a 135 degree split point, these metric drill bits are very lightweight, eliminating the need for a center punch, making cutting faster and less powerful, preventing walking and cutting stainless steel more precisely, thanks to its precision grinding inclined blade design, each bit ensures fast drilling with excellent chip removal.. Multiple Sizes Widely UsedThe metal drill bits set for steel are available 13 sizes to meet your different needs, drill bit sizes include 1.5mm, 2mm, 2.5mm, 3mm, 3.2mm, 3.5mm, 4mm, 4.5mm, 4.8mm, 5mm, 5.5mm, 6mm, 6.5mm, these cobalt drill bits are widely used in metalworking, it is ideal for cutting hard alloys such as stainless steel and cast iron, not suitable for glass or ceramic.. Practical DesignThe metal drill bits kit features a straight shank design that makes it easier to fix and precisely machine, saving time and improving work efficiency. It is perfect match for home DIY, workshop or vehicles repair shop..

Precise This drill bit set contains 10 precision HSS drill bits, specially designed for precise machining of small objects.. Design The high speed steel straight shank design is more suitable for many electric drills, the sharp and twisted double groove design makes the drilling operation more stable and easy.. Material The drill set made of high speed steel 4341 has excellent strength and good toughness. It is suitable for various usage scenarios such as wood, stainiess steel and soft metal.. Note This reduced shank micro bits is not suitable for glass, ceramic, high carbon steel, heat treated steel. If you have questions, please contact us.. After-sales service If you have any problems with use, replacement, damage, etc., please contact us when you need help, we will provide you with a good shopping experience..

Specification - 10Pcs 3mm cobalt drill bits, each kit contains a total of ten drill bits in the same size, Blade length 33mm1.3inch, 135 degree point, straight shank.. Material - HSS Cobalt high speed steel for super abrasive resistance in tough metals, improve much higher heat resistance because of cobalt steel's high red hardness.. Durable - HSS Cobalt Drill Bit provide strong durable performance compared to typical hss drill bits.. Easy to Carry - The twist drill bits are housed in plastic case for easy storage, easy to carry out homework.. Multi-purpose Use - HSS Drill Bits are successful in cutting hard metals such as stainless steel, copper, aluminum alloy, and also can be used for softer materials..

Total Length 60mm 2.4 Shank Diameter 3mm. Product Name Twist Drill Bit Package Content 5pcs x Twist Drill Bit. Material HSS, Cobalt Flute Length 23mm 0.9. Bit Diameter 3mm Weight 13g. Fearure Straight Shank Color Champagne Color.

COBALT TWIST DRILL BITS SETMade from M35 Cobalt Steel with Molybdenum and Cobalt added to form a hardened alloy, can measure up to 67 Rockwell hardness, cut faster, last longer, and last longer than normal HSS drill bits 13 times.. 10PCS METRIC DIRLL BITS SETThe set includes 10pcs of M35 3MM cobalt steel twist drill bits. Organized in a sturdy plastic storage case for easy transport to your workplace.. TWIST DESIGN AND PERFORMANCEPrecise 135 SPLIT Point, Gold Oxide Surface and Round Straight Shank. Prevents walking and removes chips and particles faster. Precision fully ground to ensure smooth chip movement.. PROFESSIONAL AND WIDELY USEDM35 Cobalt High Speed Steel is more suitable for hardening materials. Ideal for cutting stainless steel, steel and cast iron as well as wood, aluminum alloys and other metals. Not suitable for glass or ceramic materials. Pay attention to speed, pressure and heat control when drilling.. SERVICEIf you have any problem with our metric drill bit set or are not satisfied with the product, please feel free to contact us..

Drill Bits Cutting edge diameter 3mm 0.118 cutting edge length 30mm 1.18 shank diameter 3mm 0.118 overall length 60mm 2.36 cutting hardness max. HRC55. Sharp cutting edge provides smooth cutting and no glitches.. Wide Applications Suitable for drilling materials below HRC55, such as stainless steel, alloy steel, tool steel, carbon steel, aluminum alloy, etc.. Used on machining centers, drilling machines, CNC lathes, CNC engraving and milling machines.. Carbide Material Made of super fine grain carbide, it has high hardness HRC92-94, wear resistance, heat resistance, and high bending strength. With good milling and cutting performance, carbide can run at higher speed than high-speed steel.. Features Large and spiral chip space design for fast and clean chip removal. Titanium nanometer coating provides excellent corrosion resistance, greatly improves wear resistance and hardness, and reduces the coefficient of friction.. Tips Suitable lubricant is conducive to cutting or cooling. The longer the length of the tool clamped by the chuck, the better. Select an appropriate feed rate and cutting speed to improve the tool life..

10 pcs mini size cobalt drill bit set for micro hole drilling into various material, it contains 2 pcs of each 1mm364, 1.5mm116, 2mm564, 2.5mm332, 3mm18 diameter drill bit. Very tough drill bit for heavy duty work drilling into stainless steel, light-gauge metal, high-carbon steel, aluminum and ally steel, cast iron, abrasive alloy metal, other hard metal and hardened steel. 4 times life time than normal metal drill bit when drilling into PCB board, plastic, wood, jewelry, sheet metal and normal steel. M35 Cobalt drill bits are made from industrial grade High Speed Steel with 5 cobalt alloy that is heat and abrasion-resistant. 135-degree split-point tip starts drilling immediately with less force and eliminates walking or skating across the work surface. Straight shank fits with electric and cordless power drill and rotary drill. Drill bits are packed in a Plastic Bag.

Twist Drill Bit Cutting edge diameter 3mm 0.12, 4mm 0.16, cutting edge length 27mm 1.06, 44mm 1.73. Features high hardness, good toughness, high wear resistance, suitable for most general purpose applications.. Wide Applications Widely used for drilling stainless steel, aluminum alloy, iron, copper, wood and plastic. Used on electric hand drill, drilling machine and bench drill. Drill metal with high hardness or foreign substance, the rotational speed should be slower than normal drilling.. Sharp Spiral Flutes Provide neat and smooth cuts. High cutting edge strength, fast cutting speed. Spiral groove facilitates the export of metal chip, saving time and effort in operation.. Titanium Nitride Coating Gold titanium and black nitride dual coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant than the regular black surface.. Tips Suitable lubricant is conducive to cutting or cooling, making cutting easier and improving smoothness and dimensional accuracy. When using hand-held electric drill, the recommended speed is 100-1000rpmmin the larger the drilling diameter, the slower the drilling speed..