Coolest 25 Metal Drills

 

1. Avid Power

AVID POWER Cordless Drill Set, 20V Power Drill Driver Kit with Fast Charger, 350 In-lb Torque, 2.0Ah Li-ion Battery, 2 Variable Speed, 1/2″ Metal Chuck, 23+1 Clutch, 23pcs Accessories and Tool Bag

AVID POWER Cordless Drill Set 20V Power Drill Driver Kit with Fast Charger 350 Inlb Torque 20Ah Liion Battery 2 Variable Speed 12 Metal Chuck 231 Clutch 23pcs Accessories and Tool Bag

23 1 clutch 2 variable speed powerful electric drill can provide up to 40nM torque The twospeed gear system with 23 1 position clutch can better adjust torque accuracy and provide versatility between different materials and applications Cordless drill features a powerful motor delivering up to 30 faster drillingscrew driving saving time per drilling application 20v cordless drilldriver kit complete with a comprehensive set of accessories designed to cover most diy projects including 10 piece drill bits10pcs driver bits 20a fast charger 20a battery flexible shaft extended bar and storage bag There is a doubleended screwdriver bit stored on the tool and closed at hand allowing you to start your project straight away

20v 20ah lithium lon battery fast charger avid power cordless drill includes 20v 20ah high capacity rechargeable lithiumion battery and 20a fast charger which can charge one battery in just 1 hour and delivers fadefree power with no memory loss after charging

12 allmetal keyless chuck compared with 38 plastic chuck 12 keyless metal chuck makes this drilling machine have the greatest accessory compatibility Allmetal gearbox for high strength and maximum durability 12inch singlesleeve keyless chuck which can be used for longterm and heavy use For added convenience it comes with a carrying case

Ergonomic design avid power cordless drill adopts an ergonomically designed insulated soft handle which can provide users with maximum comfort and reduce vibration The cordless drill with an electronic braking system can effectively prevent efficiently from injury to the wrist due to kick back after the motor stops Triggeractivated led light illuminates your work area

 

2. INTOO

INTOO Mini Drill Bit Set 60 Pcs+12 Pcs Free High Speed Steel HSS Titanium Micro Drill Bits 3/64″-1/8″ Metal,Plastic,Wood Drill Bit Sets Small Drill Bit

INTOO Mini Drill Bit Set 60 Pcs12 Pcs Free High Speed Steel HSS Titanium Micro Drill Bits 36418 MetalPlasticWood Drill Bit Sets Small Drill Bit

Hss material industry grade high speed steel with high hardness good wear resistance and durability Storage packing each size 12pcs packed into a single transparent plastic box for nondisposable usemoreover maximize rust protection 6size boxes together into a plastic sleeveeasy to collect Specifications 60pcs12pcs free hss titanium drill set inch size 364116 564 332 764 18 12 pcssize

Characteristics 118 precise point with sharpened edge promises cutting speed titanium coating increases the wareresistance and durability of the drill bit effect long life drilling Professional diy use widely used in steel wood plastic etc Ideal for diy home and general buildingengineering using Not for masonry and concrete drilling

 

3. Drill Hulk

5/16-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for Hard Metal, Stainless Steel, Pack of 6

516Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for Hard Metal Stainless Steel Pack of 6

Made from highspeed steel and 5 cobalt improve much higher heat resistance because of cobalt steels high red hardness provide strong durable performance compared to typical hss drill bits Can be repeatedly sharpened as needed cobalt drill bits hardness is uniform throughout the entire material so that can be repeatedly sharpened without damaging the cutting edge allowing it to drill more than hss drill bits Include 6 pieces of 516inch cobalt drill bits with case

Jobber length 516inch cutting diameter 3316inch flute length 412inch overall length 135 degree split point 3flat shank Application best used for drilling in hard metal including stainless steel

 

4. ZELCAN

CO-Z 10 Sizes Titanium Step Drill Bit, 1/4 to 1-3/8 Inches High Speed Steel Drill Cone Bits for Sheet Metal Hole Drilling Cutting, HSS Multi Size Hole Stepped Up Unibit for DIY Lovers Electrician

COZ 10 Sizes Titanium Step Drill Bit 14 to 138 Inches High Speed Steel Drill Cone Bits for Sheet Metal Hole Drilling Cutting HSS Multi Size Hole Stepped Up Unibit for DIY Lovers Electrician

Hss titanium coating highspeed 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 A musthave 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

Includes 10 step sizes 14 38 12 58 34 78 1 118 114 138 Revolutionary design triflatted shank fits into power tools chuck securely and eliminates slip twoflute design clears chips faster and allows particles to escape easily

Titanium coating coated with titanium this step drill set performs well in heat corrosion and rust resistance

 

5. Drill Hulk

Drill Hulk 13-Piece M35 Cobalt Drill Bit Set for Hard Metal, Stainless Steel, 1/16-Inch to 1/4-Inch, Jobber Length, 3-Flat Shank

Drill Hulk 13Piece M35 Cobalt Drill Bit Set for Hard Metal Stainless Steel 116Inch to 14Inch Jobber Length 3Flat Shank

Made from highspeed steel and 5 cobalt improve much higher heat resistance because of cobalt steels high red hardness provide strong durable performance compared to typical hss drill bits Can be repeatedly sharpened as needed cobalt drill bits hardness is uniform throughout the entire material so that can be repeatedly sharpened without damaging the cutting edge allowing it to drill more than hss drill bits Jobber length jobber length cobalt drill bit 135 degree split point reduces drill walking 3flat shank provides a secrue grip in chucks

Include 13 pieces cobalt drill bits in inch sizes 116 to 14 164 increments with plastic case Application best used for drilling in hard metal including stainless steel

 

6. ZELCAN

ZELCAN HSS 5PCS Titanium Step Drill Bit Set with Automatic Center Punch, 50 Sizes in 5 High Speed Steel Drill Bits Set for Sheet Metal with Aluminum Case, Multiple Hole Stepped Up Bits for DIY Lovers

ZELCAN HSS 5PCS Titanium Step Drill Bit Set with Automatic Center Punch 50 Sizes in 5 High Speed Steel Drill Bits Set for Sheet Metal with Aluminum Case Multiple Hole Stepped Up Bits for DIY Lovers

Hss steel construction highspeed steel construction for longer cutting edge life even at extreme temperatures Automatic center punch delivers an automatic highimpact springloaded strike when pressed against surface adjustable cap regulates striking force A musthave for handyman or professionals perfect for home repairs and light jobs such as drilling holes in plastic aluminum copper and many other types of sheet metal

50 size in 5 the bits set includes five standard step drill bits that can replace 50 individual drill bits Titanium coating coated by titanium this step drill set performs well in heat corrosion and rust resistance

 

7. DEWALT

DEWALT Drill Bit Set, Black and Gold, 14-Piece (DWA1184)

DEWALT Drill Bit Set Black and Gold 14Piece (DWA1184)

Black and gold coating to help prevent rust and wear 135 degree split point tip design to help reduce walking Size markings on the drill bit shank for identifying sizes quickly 3flats shank to reduce spinout in the chuck Tapered web design for extreme durability and resisting breakage High speed steel to be used in plastic wood and metal

 

8. LU&MN

Carbide Hole Cutter Heavy Duty for Stainless Steel, 3/4 Inch 19mm

Carbide Hole Cutter Heavy Duty for Stainless Steel 34 Inch 19mm

All in one design drill bit spring wrench are included no need to buy any extra accessories for the drilling works Easy to carry the cutter is housed in plastic case for easy storage easy to carry out homework More durable than normal metal cutting hole cutters Provide fast and precise cuts into stainless steel sheet metal frp and wood

Smooth cuts with perfect cutting result

 

9. DKIBBITH

7 Pieces Center Drill Bits Set, M2 High Speed Steel 60-Degree Angle Center Drill Bits Kit Countersink Tools for Lathe Metalworking Size 1.0 1.5 2.0 2.5 3.0 4.0 5.0

7 Pieces Center Drill Bits Set M2 High Speed Steel 60Degree Angle Center Drill Bits Kit Countersink Tools for Lathe Metalworking Size 10 15 20 25 30 40 50

High quality our center drill bits made of high quality m2 high speed steel solid and high temperature wear resistant Widely applicable work with lathe machines and most electronic drills to drill holes in steel iron alum carbon steel brass and other tough material ranging from 170hb up to 200hb Wide range of sizes including 7 pieces of plain center drill bits set range in size 10 15 20 25 30 40 50 to meet different needs

Worry free this center drill bits set comes with a portable storage case for convenient use and store If you encounter any problems with the products please feel free to contact us Accurate a 60degree angle center drill is very useful in drilling accurate center holes 60degree countersink holes or starter holes for bigger drill bits in metalworking

 

10. DEWALT

DEWALT DWA1181 21-Piece Set Black Oxide Coated Hss Twist Drill Bit Set

DEWALT DWA1181 21Piece Set Black Oxide Coated Hss Twist Drill Bit Set

Black oxide coating helps resist corrosion and increase durability so your drill bits last longer Dewalt 21pack black oxide twist drill bit set is ideal for generalpurpose drilling materials like metal hardwood softwood pvc and fiberglass 135 splitpoint tips drill on contact and prevents walking on the hard surface youre working on 31 helix reduces over aggressiveness of true parabolic flute making it ideal for drilling deep holes

Parabolic flute design increases chip ejection in metal and wood drilling applications

 

11. Lichamp

Lichamp Unibit Step Drill Bit for Metal, Genuine M35 Drill Stepper Bit for Hard Metal Heavy Duty, 12 Sizes from 3/16″ to 7/8″, Spiral Grooved with 1/4″ Quick Change Drive, C4SL

Lichamp Unibit Step Drill Bit for Metal Genuine M35 Drill Stepper Bit for Hard Metal Heavy Duty 12 Sizes from 316 to 78 Spiral Grooved with 14 Quick Change Drive C4SL

5 if you arent satisfied with your purchase contact us through email at any time you want and well issue you a refund to ensure you have a nice shopping experience in our store 2 genuine m35 cobalt high speed steel ensures durability and sharpness reduces the friction runs cooler performs well in heat corrosion and rust resistance for longer cutting edge life even at extreme temperatures 1 one bit for 12 hole sizes 316 14 516 38 716 12 916 58 1116 34 1316 78 so you can drill up holes with different diameters saving your time and efforts to change bits

4 the split point tip is at 118 degrees to increase the wear resistance The two flute design provides a smoother cutting allows the material particles escape easily for a much more clean drilling operation can be used on electrical drill cordless drill etc 3 12 size multiple hole stepped up bits have many steps which contain multiple diameters convenient to drill different hole size by using a step drill rather than many drills ideal for diy projects at home garden workshop etc

 

12. BOSCH

BOSCH CO2159B 1/2 In. x 6 In. Cobalt M42 Drill Bit

BOSCH CO2159B 12 In x 6 In Cobalt M42 Drill Bit

Thick webhelix design provides additional stability in tough applications Enhanced m42 alloy material contains 8 cobalt alloy that delivers 10x life vs Standard bits Surfacehardened tip penetrates tough abrasive materials Cobalt m42 drill bit provides upgraded m42 cobalt jobberlength bits designed for durability high heat resistance and hardened surface for stainless steel cast iron titanium lightgauge metal and aluminum Highheat resistant bits withstand hightemperature applications for extended periods of time

 

13. AugTouf

AugTouf 3/16″ Cobalt Drill Bit(10 Pcs), M35 HSS Metal Drill Bit Set for Hard Metal, Stainless Steel, Cast Iron

AugTouf 316 Cobalt Drill Bit(10 Pcs) M35 HSS Metal Drill Bit Set for Hard Metal Stainless Steel Cast Iron

90 days warrantyat augtouf we center on customer satisfaction Get your drill bits today along with our 90day hasslefree warranty policy exchange or refund guaranteed for any product defect M35 cobalt high speed steelindustry grade 6542 high speed steel drill bit set harder than 4241 hss used in other similar drill bits set These drill bits also contain 5 cobalt which increases wearresistance and durability 10pcs 316 cobalt drill bits10pcs 316dia 476mm x2516flute length 5874mm metal drill bitsThis drill bit fits the majority of power drill currently on the market and come with a portable plastic case for easy storage and organization

Multiple applicationperfectly suitable for cutting hard metal such as stainless steel steel and cast iron as well as wood aluminum alloy and other softer metals Not for glass or ceramic materials Not for high carbon steel and heattreated steel Pay attention to speed pressure and heat control during drilling Fully ground process 135 split pointfully ground spiral groove design clears particles quickly decreases friction and heat for a faster and cooler drilling performance 135 split point with straight shank prevents walking and makes drilling precise and faster No center punch is needed

 

14. DRILLFORCE

DRILLFORCE (5 Pcs) 1/2 in. x 6 in. HSS Titanium Coated Drill Bits, Jobber Length, Straight Shank, Metal Drill for General Purpose (1/2)

DRILLFORCE (5 Pcs) 12 in x 6 in HSS Titanium Coated Drill Bits Jobber Length Straight Shank Metal Drill for General Purpose (12)

Package size 5 pieces in a plastic bag diameter 12 inch total length 6 inch working length 412 inch Professional diy use for use on metal wood plastics not for use on concrete masonry stainless steel Perfect match for workshop or service vehicles 135 tip twist design increases cutting speed with selfcentering and prevents walking clears chips and particles faster Strength hardness made with hss 4241 steel rock wall hardness level hrc 6062

Titanium coated classic 4241 high speed steel construction with titanium coating for proven capability and durability

 

15. JNB Pro

JNBPRO COUNTERSINK DRILL BIT SET FOR METAL – 5 PC HIGH SPEED STEEL WITH 5% COBALT HSS-Co M35 GRADE, SIZES 1/4″, 3/8″, 1/2″, 5/8″ & 3/4″ – 5 FLUTES w/ 82 DEGREE – 1/4″ ROUND SHANK – METAL COUNTERSINK BIT SET

JNBPRO COUNTERSINK DRILL BIT SET FOR METAL  5 PC HIGH SPEED STEEL WITH 5 COBALT HSSCo M35 GRADE SIZES 14 38 12 58  34  5 FLUTES w 82 DEGREE  14 ROUND SHANK  METAL COUNTERSINK BIT SET

Design designed with 82 degree 5 flutes to reduce vibration and smoother drillling the 14 round shank fits all stationary and hand drills Durability this metal counter sink bit set for steel is made for last longer than any other regular high speed steel bits they are extremely sharp and finished with black gold corrosion proof Importante tips for use the metal countersink bits are just a chamfer tool to countersink the holes it is not self drill tool the pre drill with a metal drill bit with desired size for the screws has to be done before using it for countersink

Metal bit composition esclusively designed to work with industrial grade metals they are manufactured with high speed steel with 5 cobalt known as hssco m35 grade Efficiency working with stationary drill ensures better finish on chamfers but they can be used with hand drills as well for countersinking in any hard or soft metal and any type of wood

 

16. EHOMEA2Z

eHomeA2Z Wire Brush For Drill Wheel Steel Cup (6 Pcs) 1/4 Inch Arbor Abrasive For Cleaning Stripping Rotary Metal Hex Shank Attachment For Power Drill Paint Rust Removal

eHomeA2Z Wire Brush For Drill Wheel Steel Cup (6 Pcs) 14 Inch Arbor Abrasive For Cleaning Stripping Rotary Metal Hex Shank Attachment For Power Drill Paint Rust Removal

Bulk quantity for any job wont let you down Permanently attached 14 shank4500 rPM max Always wear safety glasses and other protective equipment when working with steel brushes Removes rust scaledirt and paint from metal and other surface and hard to reach areas Ideal for strippingrougheningprepping different surfaces Crimped steel wire wheels brushes

 

17. BOSCH

BOSCH CO2139 3/16 In. x 3-1/2 In. Cobalt Drill Bit

BOSCH CO2139 316 In x 312 In Cobalt Drill Bit

Withstands hightemperature applications for extended periods of time up to 1100 degreef Rigid thick web design adds stability to bit in tough applications Surface hardened to penetrate tough abrasive materials Available in jobber length full shank Best used for drilling into lightgauge metal highcarbon steel aluminum and ally steel cast iron stainless steel and titanium

 

18. Owl Tools

Cobalt Drill Bit Set – 13 Piece M35 Cobalt Drill Bits with Storage Case – Perfect Drill Bits for Metal, Hardened & Stainless Steel, Cast Iron, and More!

Cobalt Drill Bit Set  13 Piece M35 Cobalt Drill Bits with Storage Case  Perfect Drill Bits for Metal Hardened  Stainless Steel Cast Iron and More

Set of 13 cobalt drill bits in the following imperial sizes 14 1564 732 1364 316 1164 532 964 18 764 332 564 116 Plastic storage case included incredibly tough and durable plastic case Perfect for keeping your cobalt drill bits neatly organized and safe Cobalt drill bits are the perfect drill bits for metal as well as other hard materials such as stainless steel hardened steel cast iron bronze titanium and more

Lifetime guarantee here at owl tools usa based company we only care about your satisfaction We try our best to ensure each product is in perfect condition before you get it but if something is not up to your satisfaction please contact us for a full refund or replacement M35 fully ground 135 split point our drill bits contain 5 cobalt are fully grounded for a precision drilling diameter 135 split point design makes it easier to drill repeated holes in harder materials

 

19. ZELCAN

ZELCAN Large HSS Spiral Groove Step Drill Bit, 12 Sizes Titanium High Speed Steel 1/4″ to 2-3/8″ Drill Bit for Sheet Aluminium Metal Wood Hole Drilling, Big Multiple Hole Stepped Up Bit for DIY Lovers

ZELCAN Large HSS Spiral Groove Step Drill Bit 12 Sizes Titanium High Speed Steel 14 to 238 Drill Bit for Sheet Aluminium Metal Wood Hole Drilling Big Multiple Hole Stepped Up Bit for DIY Lovers

The step drill bit is made from upgraded high speed steel characterized by wellbalanced toughness wear resistance and red hardness properties for better and faster hole drilling performance The titanium coating makes the drill bit more durable so that it can last for years with uncompromised quality Our drill bit is bigger in size so it can drill holes with larger dimensions

12 hole sizes 14 38 1932 34 1 1316 138 158 134 2 2316 238 The dualflute design prevents metal fillings from flying around and clears chips faster thus it can drill more smoothly without heating up The rapid strike tip drills twice as fast as the average step drills and can drill acrylic pvc wood aluminum and iron sheets up to 02 in thickness

 

20. Lichamp

Lichamp 13PCS HSS Cobalt Drill Bits Set 1/16″ to 1/4″ with Three Flute for Hard Metal, Hardened Stainless Steel and Cast Iron

Lichamp 13PCS HSS Cobalt Drill Bits Set 116 to 14 with Three Flute for Hard Metal Hardened Stainless Steel and Cast Iron

Smoothly drilling 135degree split point tip twist design increases cutting speed with selfcentering and prevents skating starts or walking Unique 3x flute design lichamp three flute patent design drill bit clears chips and particles faster provide you with more efficient drilling experience Multiple application ideal for drilling in heavyduty tough metal including hard abrasive alloy metal hardened stainless steel or cast iron

4x lifespan material made from industrial grade m35 highspeed steel with 5 cobalt provides hardness for wear resistance withstands max 1100 degreef 13pcs drill bit set metal index case with size chart for easy bit access and identification Includes drill bit sizes 116inch to 14inch in 164inch increments

 

21. CO-Z

CO-Z Step Drill Bits, HSS 5PCS Titanium Step Drill Bit Set, 50 Sizes in 5 High Speed Steel Unibit Drill Bits Set for Sheet Metal with Aluminum Case, Multiple Hole Stepped Up Bits for DIY Lovers33

COZ Step Drill Bits HSS 5PCS Titanium Step Drill Bit Set 50 Sizes in 5 High Speed Steel Unibit Drill Bits Set for Sheet Metal with Aluminum Case Multiple Hole Stepped Up Bits for DIY Lovers33

Smooth drilling nonwalking drill tip provides fast and smooth drills on steel sheets aluminum sheets wood board plastic board etc The board must be smaller in thickness than the height of step drill bits Different sizes of holes can be drilled different sized shanks ensure compatibility with 14 38 and 12 in Chuck sizes You are capable to drill holes in different sizes which can meet your normal needs Extreme durabikity cobalt high speed steel drill bits along with the titanium coating ensures extreme durability will stay new and shiny for years to come

Use center punch to mark the spot please mark the spot that you are to drill for easier drilling and improved drill bits life Keep your step drill bits well organized all the bits come in a wellorganized case for easy transport and storage

 

22. amoolo

amoolo Hex Shank Drill Bit Set (13Pcs Set+3 Pcs Free), Premium 4341 HSS Titanium Impact Hex Drill Bits for Wood, Steel, Metal, Plastic, Quick Change Design (1/16”-1/4”)

amoolo Hex Shank Drill Bit Set (13Pcs Set3 Pcs Free) Premium 4341 HSS Titanium Impact Hex Drill Bits for Wood Steel Metal Plastic Quick Change Design (11614)

Combo set of 16 pcs13 most commonlyused sizes 1165643327641896453211643161364732156414 to satisfy all needs additional piece of 116 564 and 332 for backup use Comes with a portable case with size index for easy select storage and carry Advanced hss titanium coatingindustrial grade 4341 high speed steel drill bits set harder than 4241 hss and has stronger cutting capacity Titanium coating increases wearresistance and durability Multiple applicationsmall drill bits for wood plastic steel plate 5mm aluminum alloy and other soft metals Ideal choice for diy projects household maintenance and repairnot for glass ceramic or concrete drilling

Quick change1464mm hex shank base well fits into majority pistol drill and drill press more easily and securely installation without slippage and shedding Fully ground process 135 split pointfully ground spiral flute discharge scraps quickly reduce friction and heat therefore provides a faster cooler and more efficient drilling performance 135 split point with straight shank prevents slippage and makes drilling stable and precise No center punch is needed

 

23. Neiko

Neiko 10181A Quick Change HSS Titanium Coated Spiral Grooved Step Drill Bit 3-Piece Set | 31 Step Sizes in One Kit …

Neiko 10181A Quick Change HSS Titanium Coated Spiral Grooved Step Drill Bit 3Piece Set  31 Step Sizes in One Kit …

Twoflute spiral grooved design deburrs chip dust and debris for clearance and smooth cutting Unibit split point tip accelerates cutting speed while preventing angled walking away from center line of bore Quick change 14inch hex shank makes for easy convenient bit switches and is compatible with impact ready power tools Assortment comes with 3 drill bits of a combined 31 sizes to add to your drilling arsenal 13 step drill 18 532 316 732 14 932 516 1132 38 1332 716 1532 12inch 6 step drill 316 14 516 38 716 12inch and 12 step drill 316 14 516 38 716 12 916 58 1116 34 1316 78inch

Constructed of industrial high speed steel with titanium nitride coating for durability and strength to punch and drill clean holes in materials like plastic aluminum wood copper stainless steel and other types of sheet metal

 

24. COMOWARE

COMOWARE Cobalt Drill Bit Set- 21Pcs M35 High Speed Steel Twist Jobber Length for Hardened Metal, Stainless Steel, Cast Iron and Wood Plastic with Metal Indexed Storage Case, 1/16″-3/8″

COMOWARE Cobalt Drill Bit Set 21Pcs M35 High Speed Steel Twist Jobber Length for Hardened Metal Stainless Steel Cast Iron and Wood Plastic with Metal Indexed Storage Case 11638

Precise 135split point twist design prevent walking clear chips and particles faster 21 pieces included 116 564 332 764 18 964 532 1164 316 1364 732 1564 14 1764 932 1964 516 2164 1132 2364 38 Hss with 5 cobalt durable higher heat abrasion resistance 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

 

25. BECOLLO

BECOLLO 1/4 Inch Cobalt Drill Bit Set, M35 Jobber Length Twist Drill Bits,Suitable for Drilling in Hard Metal, Stainless Steel, Cast Iron,10 Pieces

BECOLLO 14 Inch Cobalt Drill Bit Set M35 Jobber Length Twist Drill BitsSuitable for Drilling in Hard Metal Stainless Steel Cast Iron10 Pieces

135 split point design improves cutting speed while easy selfcentering prevent walking and skating across the workpiece surface 10pcs of 14 inch cobalt drill bit are packed in a plastic case for easy storage and carrying manufactured in strict accordance with ansi b9411m Made from cobalt5 high speed steel increases the wear and heat resistance of drill bit the life span of drill bit is prolonged

Perfect suitable for drilling in hard metals such as stainless steel and cast iron and other softer material are also possible Fully grinding processing makes the surface of drill bit smoother the friction can be reduced and the cutting speed is faster





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