Top 8 Best Strongest Drill Bits For Steel

Cobalt M42 drill bit provides upgraded M42 Cobalt jobber-length bits designed for durability, high heat resistance and Hardened surface for stainless steel, cast iron, titanium, light-gauge metal and aluminum. Enhanced M42 alloy material contains 8 Cobalt alloy that delivers 10x life vs. Standard bits. High-heat resistant bits withstand high-temperature applications for extended periods of time. Thick web-helix design provides additional stability in tough applications. Surface-hardened tip penetrates tough abrasive materials. Includes 116, 564, 332, 764, 18, 964, 532, 316, 732, 14, 516, 38, 12.

29 pc. Ultra Dex Set Premium High Speed Steel Heavy Duty NAS 907B 135-Degree Split Point. 116 - 12 by 64ths - Ultra Dex. Precision ground point, flutes, body, clearance and drill diameter for ultimate accuracy and performance. Special Hi-Molybdenum tool steel Gold Oxide.

29 PIECES INCLUDED 116, 564, 332, 764, 18, 964, 532, 1164, 316, 1364, 732, 1564, 14, 1764, 932, 1964, 516, 2164, 1132, 2364, 38, 2564, 1332, 2764, 716, 2964, 1532, 3164, 12.. HSS WITH 5 COBALT Durable, Higher Heat Abrasion Resistance.. PRECISE 135SPLIT POINT TWIST DESIGN Prevent walking, clear chips and particles faster.. PROFESSIONAL WIDELY USE M35 Cobalt HSS is more suitable for hardened material. Particularly successful in cutting through hard metals such as stainless steel, cast iron, high temperature alloy, titanium alloy, hard plastics and woods, and also can be used for softer materials.. ORGANIZED HOLDER Set includes the drill bit holder with size index for easy storage and organizing..

High Quality MaterialManufactured from high-speed steel and coated in gold oxide, Yougfin jobber drill bits are able to withstand friction and heat so you can drill continuously without the bits heating up. 135-Degree Split Point Twist DesignThe split point design increases the cutting edge on the tip, and the blunter 135 angle means more of the cutting edge touches the surface sooner. The grooves on the sides of the bits twisted shanks will bring metal shavings up and out of the hole as you drill. Product Feature Twist drills are indicated in sizes. Assortment comes with a combined 29 sizes added116, 564, 332, 764, 18, 964, 532, 1164, 316, 1364, 732, 1564, 14, 1764, 932, 1964, 516, 2164, 1132, 2364, 3825641332276471629641532316412. Multiple ApplicationPerfectly suitable for drilling wood, plastic, and some lightweight metal materials. Drill bit holder with size index for easy induction and arrangement, and a portable metal case are both included. Application TipPlease keep the bit perpendicular to the material during operation to prevent it from breakage. TipIf you have any questions about Yougfin products, please feel free to contact us.

DEWALT drill bit set has connectable accessory storage system to optimize storage space. Patented bit-bar design of the drill bits set allows easy removal of bits and customizable placement. Clear lid of the Titanium Nitride Coated drill bit set allows you to easily see contents at glance. Clip latch for secure closing. Small Bulk Storage size fits inside the Small and Medium ToughCase plus sold separately - Ideal for organizing loose bits. Includes 116 x 2, 564 x 2, 332 x 2, 764 x 2, 18 x 2, 964 x 1, 532 x 1, 1164 x 1, 316 x 1, 1364 x 1, 732 x 1, 1564 x 1, 14 x 1, 516 x 1, 38 x 1, 12 x 1. Tapered web provides greater durability to reduce breaking.. Drill Bit Set includes sizes from 116-inch to 12-inch in a plastic tough case..

Premium M42 8 Cobalt Steel ,68-70 HRC Rockwell Hardness Scale ,Usually Give the Best Heat,Wear and Chip Resistance and Long Tool Life.. 3 Steps Design for Cutting through Stainless Steel,Hard Metals,Aluminum,Plastic.. This Cobalt Drill Bit is Typically Capable of Running Three to Five Times Faster.Despite the Higher Price,the Cost Per Hole When Using Cobalt Drill Bit Will be the Lowest,Since It Can Produce So Many More Holes.. The Sufficiently Sharp Bit Edge Can Cut the Metal Material into Long Strips of Iron Chips rather than Slowly Grinding Throng the Material with a Blunt Drill Bit.. 19Pcs 135 Degree Split Point Drill Bits Includes 1mmlength3.4cm 1.5mm 2mm 2.5mm 3mm 3.5mm 4mm 4.5mm 5mmlength8.5cm 5.5mm 6mmlength9cm 6.5mm 7mm 7.5mm 8mmlength11.5cm 8.5mm 9mm 9.5mm 10mmlength13cm DIA 0.5mm Increments ..

Durable HSS Drill Bit ----- High-speed steel makes it last longer than others, titanium coating ensure easily cut through iron sheets, aluminum sheets, copper plastic wood board and many other types of sheet metal with ease, and it can automatically deburr holes while drilling to keep the drill bit clean.. Titanium Coating ----- Coated with titanium, this step drill set performs well in heat, corrosion and rust resistance.. Revolutionary Design ----- Tri-flatted shank fits into power tools chuck securely and eliminates slip two-flute design clears chips faster and allows particles to escape easily.. Includes 10 Step Sizes ----- 14, 38, 12, 58, 34, 78, 1, 1-18, 1-14, 1-38.. A Must-Have for Handyman or Professionals ----- Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper, iron and many other types of sheet metal excluding steel or any other harder metal..

Package Size Size range 116x3, 564x2, 332x2, 764x2, 18x2, 964, 532x2, 1164, 316x2, 1364, 732, 1564, 14, 516, 38, 12. Most frequently used size range with extra small size drill bits. All drill bits are kept in a strong and professional plastic case with indexed holder which is convenient for storage and pick-up.. Wide Applications Jefe Hex drill bit sets are built for general purpose applications, such as DIY projects, home maintenance and MRO Maintenance, Repair and Operations. Working materials include steel, copper, aluminum, zinc alloy, cast iron, wood and plastics.. HSS Titanium CoatingHigh speed steel HSS with titanium coating gives Jefe Hex drill bits great durability and prolongs 3 times longer life than drill bits without coating.. 135 Degrees Split Point and Parabolic FluteJefe Hex Easy Cut Split Point design makes drilling easy with less pressure and prevents drill bits walking on the working surface. Fully ground modified parabolic flute design clears chips quickly, decreases friction and heat damage. Tapered web provides durability and reduces breakage.. Quick Change Solid Hex Shank14 6.35mm hex shank fits into standard power tools and impact drivers. Jefe Hex drill bits solid bonding technology eliminates radial runout and improves concentricity. High torque, impact-rated accuracy..

UNIQUE 3X FLUTE DESIGN - Lichamp three flute patent design drill bit clears chips and particles faster, provide you with more efficient drilling experience.. 4X LIFESPAN MATERIAL - Made from industrial grade M35 high-speed steel with 5 cobalt provides hardness for wear resistance, withstands max 1100 degreeF.. MULTIPLE APPLICATION - Ideal for drilling in heavy-duty tough metal, including hard abrasive alloy metal, hardened stainless steel or cast iron.. SMOOTHLY DRILLING - 135-degree split point tip twist design increases cutting speed with self-centering and prevents skating starts or walking.. 29PCS DRILL BIT SET - Metal index case with size chart for easy bit access and identification. Includes drill bit sizes 116-inch to 12-inch in 164-inch increments..

Premium Material Manufactured from high speed steel for strength and durability. Storage Supplied in a plastic storage box for easy storage and transportation. Widely Used The 135 fast cutting point is automatically centered and penetrates quickly with less pressure,The drill kit meets all your requirements, including all common size specifications for WoodCast IronAluminum AlloyPlasticFiberglass. Process Treatment Titanium coated surface prevent rusting,which increase the hardness of the drill bit and reduces heat buildup, make the twist drill bit more wear-resisting for longer life. Size Includes 32 Piece 364, 30 Piece 116, 30 Piece 564, 30 Piece 332, 20 Piece 18, 20 Piece 964, 12 Piece 532, 12 Piece 1164, 12 Piece 316, 8 Piece 732, 4 Piece 1564, 6 Piece 14, 4 Piece 932, 2 Piece 1964, 3 Piece 516, 2 Piece 2164, 1 Piece 2364, 1 Piece 38, 1 Piece 12.