Top 20 for Best Cobalt Drill Bit Set
1. findmall
Precise 135split point twist design the 135 quickcut points are selfcentering and penetrate quickly with less pressure Will not walk or wander Straight shank allows for firmly holding and accurate centering fit for standard drill chucks and regular round collet chucksMust be used and operated at proper rpms for maximum efficiency 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
Left hand design special left hand design can also be used with screw extractors to remove broken fasteners Attachable to reversible drills to remove screws bolts and studs around the house garage or on the job site
13 pieces include 116 564 332 764 18 964 532 1164 316 1364 732 1564 14 Hss material m35 cobalt steelwith molybdenum and cobalt added to creates a hardened alloy measuring rockwell hardness up to 67 extremely heat resistant for much faster cutting and extra longer life span when compared with an average hss drill bit
2. HYMNORQ
Cobalt steel manufactured from m35 cobalt steel with molybdenum and cobalt added to create a hardened heatresistant alloy measuring rockwell hardness up to 67 for much faster cutting and extra longer life span with up to twelve times compared with an average hss drill bit Self centering the 135quickcut pilot split points are selfcentering and can penetrate quickly with less pressure The bits will not walk or wander Straight shank allows for firmly holding and accurate centering fit for standard drill chucks and regular round collet chucks
2pc 2764 inch fractional bits the set includes 2pcs of m35 cobalt steel twist drill bits Total length 539 working length 394 Manufactured to german din338 standard Packed in a plastic bag and a flat paper box
Downloadable user guide weve summed up some tips of drilling metals including a rpm chart for several common metals based on our reviews and some articles on the internet In most cases our customers would get a much better result with these tips Welcome to download For metalworking particularly successful in cutting through hard metalshardness less than hrc38 such as stainless steel and cast iron although they can be used for softer materials like copper and aluminium too Not for hardened steel high carbon steel Try to adjust the rpm when it fails to penetrate
3. Irwin Tools
IRWIN Drill Bit Set, M35 Cobalt Steel, 29-Piece (3018002)
Cobalt drill bit set 5 cobalt for higher heat abrasion resistance 29 piece Heavy duty web construction for strength durability Sizes 116 inch 12 inch in 164 inch increments 135 degree split point to minimize walk
4. Drill America
Cobalt steel provides extended tool life compared to highspeed steel drill bits when drilling hard materials Meets ansi specifications Set of 29 jobber length drill bits includes inch sizes 116 to 12 in 164 increments Gold oxide finish lubricates the drill bit and provides wear resistance Selfcentering 135degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging
5. HYMNORQ
13pc metric bits the set includes 13pcs of m35 cobalt steel twist drill bits 15mm 2mm 25mm 3mm 32mm 35mm 4mm 45mm 48mm 5mm 55mm 6mm 65mm Well organized in a plastic indexed storage case for easy transport to your worksite Cobalt steel manufactured from m35 cobalt steel with molybdenum and cobalt added to creates a hardened alloy measuring rockwell hardness up to 67 extremely heat resistant for much faster cutting and extra longer life span with up to twelve times when compared with an average hss drill bit Downloadable user guide weve summed up some tips of drilling metals including a rpm chart for several common metals based on our reviews and some articles on the internet In most cases our customers would get a much better result with these tips Welcome to download
For metalworking particularly successful in cutting through hard metals such as stainless steel and cast iron although they can be used for softer materials too Not for hardened steel high carbon steel Try to adjust the rpm when it fails to penetrate
No center punch needed the 135 quickcut points are selfcentering and penetrate quickly with less pressure Will not walk or wander Straight shank allows for firmly holding and accurate centering fit for standard drill chucks and regular round collet chucks Must be used and operated at proper rpms for maximum efficiency
6. amoolo
Precise efficient drilling performance fully ground spiral groove design clears particles quickly decreases friction and heat for a faster and cooler drilling performance 135 split point with round straight shank prevents walking and makes drilling precise and faster No center punch is needed 90 days warrantyat amoolo 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
Most commonlyused 13 sizesa complete combo set of 13 jobber length industrial drill bits for metal drilling 1165643327641896453211643161364732156414 They fit the majority of power drill currently on the market and comes with a portable plastic case for easy storage and organization Multiple applicationperfectly suitable for cutting through hard metal such as stainless steel steel sheet metal and cast iron as well as plastic aluminum alloy wood and other softer metals Pay attention to speed pressure and heat control during drilling
Premium qualitymade of industry grade 6542 high speed steel cobalt twist drill bits are harder than 42414341 hss used in other similar bits ideal for heavy duty hole drilling They contain 5 cobalt material increasing wearresistance and durability
7. Drill Hog
Drill Hog 29 Pc Super Premium Cobalt M42+ Drill Bit Set
Super premium solid cobalt m42 steel 116 to 12 by 164th increments does not skip any sizes 135 degree split point prevents walking Lifetime warranty Triflat shank prevents spinning in the drill chuck
8. Drill Hog
Drill Hog USA 13 Pc COBALT Drill Bit Set Index M42 Drill Bits Lifetime Warranty
135 degree split point prevents the bit from walking Solid cobalt m42 steel 116 14 by 164ths 13 drills Made by drill hog usa Lifetime warranty
9. VTEVER
Smooth design with 135 degree selfcentering tip apply pressure evenly hardened and polished to form a sharp cutting edge the precision grinding process provides a smooth surface and high grinding accuracy helping you to drill through surfaces with ease Widely application this set of twist drill is especially suitable for drilling in stainless steel cast iron copper aluminum alloy and other metal materials for drilling in plastic wood and so on Convenient 13piece set to meet your work needs suitable for home renovation diy and general industrial applications
Package the twist diamond set comes with its own red outer box for easy storage and outer box snap hook for easy locking storage with a portable hook design Easy to carry and fold to save bulk and easy to store The box is marked with the inch size of each drill bit from 116 inch to 14 inch for easy access
M35 cobalt steelthese twist drill bit set made of highquality m35 cobaltcontaining highspeed steel resistant to high temperature and grindingitwhich allows the drill to easily drill on hard surfaces then quickly achieve the purpose Offer excellent performance and durabi
Chip removal chuteclassic humanized double spiral chip evacuation groove design The grooves2 grooves help remove chips and debris from the drill bit reducing friction and heat thus achieving a faster cooler drilling process
10. Neiko
Includes sizes bits 564 764 532 14 1964 and matching alloy extractors 1 2 3 4 5 Design spiral flutes on screw extractors dig into the screw increasing grip as torque is applied Convenience stored in a durable metal index carrying case for organization and storage with all sizes that are clearly labeled Durable lefthanded drill bits are made from cobalt fortified high speed steel for increased durability and service life
Application extraction bits easily remove broken screws studs bolts and other fittings effectively
11. Mudder
Various fitness m35 high speed steel cobalt drill set is nicely suitable for hardened material and hard metals such as cast iron high temperature alloy hard plastics stainless steel titanium alloy woods etc Also for soft materials Creative twist design metal cobalt drills for hardened steel has 135 degrees split point tip and torsional design to improve cutting speed with selfcentering ability they can avoid walking during work process while clearing chips and particles more quickly and easily Quality material the cobalt drill bit set uses cobalt m35 high speed steel as material this material is reliable and practical with a long service use heat and abrasion resistance the cutting edge of drill bit is hardened and honed with accurate cutting without shaking
What you will get the package contains many cobalt drill bits sufficient quantity to meet your various needs please pay attention to speed pressure and heat control during drilling
Nice features the nice twist drill bits have precise diameter m35 cobalt drill bits for hardened metal are not easy to break or wear out so suitable for lithium electric drill hand electric drill impact electric drill etc The size is small please pay attention to use
12. Longmate
Full size set21pcs jobber length drill bits set with plastic storage case including sizes from 116 to 38 Meet your different needs perfectly The drill bit set fits to the majority of power drills currently on the market 135split point fully groundfully ground spiral groove design clears particles quickly decreases friction and heat for a faster and cooler drilling performance 135 split point with straight s M35 cobalt drillsmanufactured from m35 cobalt steel with molybdenum and cobalt added to create a hardened heatresistant alloy which hardness up to hrc65 for much faster cutting and extra longer life span with up to twelve times compared with an average hss drill bit
Multiapplicationmainly suitable for hardened materials such as stainless steel cast iron high temperature alloy titanium alloy hard plastics and woods and also can be used for softer materials Ideal for diy projects household maintenance and repair
Wellorganizedthis bit set are packed in a durable pp index case and the middle plate is 360rotatable for easy taking and placing All size labels are printed on the bit holder and engraved on the shanks of bits for easy identification
13. Yesland
Nonwalking drill tip provides fast and smooth drills on steel sheets aluminum sheets wood board plastic board etc With these step drill bits you can process different kinds of diameter holes which greatly saves you a lot of time Suitable for diy general building or engineering use The drill bits set includes 5 common sizes for versatility it can fit the majority of brands currently on the market Different sized shanks ensure compatibility with 14 38 and 12 inch chuck sizes
All the bits come in a wellorganized case for easy transport and storage A drill bits holder with size index is included in the metal kit so that no need to worry about it falling out Twoflute design deburrs during drilling clearing chips faster and allowing particles to escape for cleaner operation keep bit cleaning Please mark the spot that you are to drill for easier drilling and improved drill bits life
Yesland hss cobalt high speed steel along with the titanium coating ensures extreme durability which will stay new and shiny for years to come It can also ensures outstanding sharpness reduce the friction and runs cooler
14. HIDOTOL
Specifications set of 29pcs jobber length drill bits includes 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 by 164 increments Characteristics 135 split point with round straight shank selfcentering prevent walking make drilling precise and faster Fully ground twist design helps clear particles faster decreases friction and heat for a cooler drilling performance 100 satisfaction guarantee if you are not fully satisfied with our product for any reason please feel free to contact us we will try our best to serve you
High quality material high speed steel m35 cobalt 5 provide extended tool life compared to ordinary drill bits when drilling hard materials Widely used m35 cobalt high speed steel is more suitable for tough high tensile strength material Particularly successful in cutting harden metals such as stainless steel cast iron high temperature alloy titanium alloy hard plastics and woods and it also can be used for softer materials
15. BOSCH
BOSCH 21 Piece Cobalt Metal Drill Bit Set CO21
Performance designed for very high drilling temperatures for superior performance in stainless steel Bosch cobalt metal drill bits are solid reliable and provide 4x longer life than standard highspeed drill bits Accuracy featuring a noskate splitpoint tip for clean precise holes and accurate starts Tough the bosch co21 drill bit set is manufactured from cobalt for drilling in hard and abrasive materials such as stainless cast iron and highdensity metal Also useful for general drilling in lightgauge metal wood and plastic
Reliable the threeflat shank design promotes better grip and guards against slipping on bits 316 in And larger Versatility includes laseretched marking to provide clearly marked bit diameter Included bit sizes 116 in 564 in 332 in 764 in 18 in 964 in 532 in1164 in 316 in 1364 in 732 in 1564 in 14 in 516 in 38 in 12 in
16. Drill Hog
21 Pc Cobalt M42 Drill Bit Set 1/16″ to 1/2″ by 32nds DRILL HOG Lifetime Warranty
135 degree split point prevents walking Tri flat shank 3 flat sides on shank prevents spin in the chuck Lifetime warranty Solid cobalt m42 steel 116 to 12 by 132nds includes steel case with pop up tiers
17. STROTON
19pcs 135 degree split point drill bits includes 1mmlength 34cm 15mm 2mm 25mm 3mm 35mm 4mm 45mm 5mmlength 85cm 55mm 6mmlength 9cm 65mm 7mm 75mm 8mmlength 115cm 85mm 9mm 95mm 10mmlength 13cm dia 05mm increments This cobalt drill bit is typically capable of running three to five times fasterDespite the higher pricethe cost per hole when using cobalt drill bit will be the lowestsince it can produce so many more holes True titanium nitride coated increases the bit surface and metal lubricationconducive to chip removalreduce heat increase
3 steps desigh for cutting through stainless steelhard metalsaluminumplastic and hardwood 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 Premium m42 8 cobalt steel 6870 hrc rockwell hardness scale usually give the best heatwear and chip resistance and long tool life
18. INTOO
INTOO Hss Cobalt Drill Bits Set 21PCS Triangle Shank,Industry Drill bits with Golden Ratio Tip,
Golden ratio tip from size 532 with patented golden ratio tipwhich especially designed for heavy duty purpose effect cleansmooth holes on hard metal like stainless steeland moreover at least 3 times longer life Cobalt 5 material suitable for stainless steel or any hard metalsignificantly increases the wareresistance and durability How to use controlling the drilling speed by lowest rpm would make drill life much longer than 3 times
Specifications 21pcs cobalt drill bit set 11656433276418964532116431613647321564141764932196451621641132326438Sizes from 18 to 38 with triangle shank Storage box strong metal box
19. NewShark
M35 5% (1mm-10mm/19pcs) Cobalt Twist Drill Bits Set for Stainless Steel and Hard Metal
135degree selfcentering split pointed tip combines active cutting and perfect centering without wandering From 1mm up to 10mm in 05mm increment1 15 2 25 3 35 4 45 5 55 6 65 7 75 8 85 9 95 10 mm Fully ground bits make sure the cutting diameter is accuratethe smooth bit surface make holes cleanly Made of highquality highspeed steel durability and cutting efficiency
Designed for general drilling in plastic wood and soft metals like aluminum iron etc
20. HYMNORQ
Point angle the 3mm bits are 135 split pointed which is selfcentering and will penetrate quickly with less pressure Will not walk or wander The other small ones are 118 Packed in a plastic bag These bits are quite small Please refer to the picture including a size chart M35 cobalt steel manufactured from m35 cobalt steel with molybdenum and cobalt added to creates a hardened alloy measuring rockwell hardness up to 67 for much faster cutting and extra longer life span with up to twelve times when compared with an average hss drill bit
For stainless steel particularly successful in cutting through hard metals such as stainless steel and cast iron although they can be used for softer materials too Not for hardened steel high carbon steel Try to adjust the rpm when it fails to penetrate
50pc set the set includes 50pcs of metric m35 cobalt steel twist drill bits 1mm 15mm 2mm 25mm 3mm 10 each metric drills in popular hobbyist sizes at low price Manufactured to german din338 standard
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