Top 10 M42 Cobalt Drill Bit Set – Jobber Drill Bits

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Bosch CO14B 14 Pc. Cobalt M42 Drill Bit Set

BOSCH #ad - Enhanced m42 alloy material – contains 8% Cobalt alloy that delivers 10x life vs. High-heat resistant bits – withstand high-temperature applications for extended periods of time. Standard bits. Cobalt m42 drill bit – provides upgraded m42 cobalt jobber-length bits designed for durability, cast iron, titanium, high heat resistance and Hardened surface for stainless steel, light-gauge metal and aluminum. Surface-hardened tip – penetrates tough abrasive materials. Thick web-helix design – provides additional stability in tough applications.
BrandBOSCH #ad
ManufacturerBosch #ad
Part NumberCO14B
WarrantyProduct Defects Only



Metric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard Metal 1mm-10mm/19pcs

STROTON #ad - 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.

19pcs 135 degree split point drill bits includes :1mmlength:3. 4cm\1. 5mm\2mm\2. 5mm\3mm\3. 5mm\4mm\4. 5mm\5mmlength:8. 5cm\5. 5mm\6mmlength:9cm\6. 5mm\7mm\7. 5mm\8mmlength:11. 5cm\8. 5mm\9mm\9. 5mm\10mmlength:13cm DIA 05mm Increments. 3 steps desigh for cutting through Stainless Steel, Hard Metals, Aluminum, Plastic. Premium m42 8% cobalt steel, 68-70 hrc rockwell Hardness Scale, usually give the best heat, Wear and Chip Resistance and Long Tool Life. 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.
BrandSTROTON #ad
ManufacturerSTROTON Ltd #ad
Part NumberM42 Cobalt-8(19pcs)

3. Drill America


1/2" X 64ths, D/A29J-CO-PC 29 Piece M42 Cobalt Drill Bit Set in Round Case 1/16", D/ACO Series, Drill America

Drill America #ad - When all hands are on deck, hang the drill index on your belt whether you're in the shop or field. Round shanks allow use with a wide variety of tool holding systems. Cobalt steel provides extended tool life compared to high-speed steel drill bits, and maintains the tool's toughness and hardness in high drilling temperatures.

Set contains 29 m42 cobalt drill bits sizes 1/16" - 1/2" x 1/64" increments. Unique round drill index combines form and function into 1 beautifully designed, easy to carry drill set. Effortlessly grip the set in 1 hand as you would a travel coffee mug or leave it in the cup holder of your truck while on the way to a job.

Cobalt drills are effective in drilling tough, Inconel, high tensile strength materials like stainless steel, and titanium. Gold oxide finish acts as a lubricant and provides wear resistance. Manufactured to aerospace standard 907 and display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel.
BrandDrill America #ad
ManufacturerDrill America #ad
Height2 Inches
Length6 Inches
Weight2.2 Pounds
Width4 Inches
Part NumberD/A29J-CO-PC

4. Drill Hog


21 Pc Cobalt M42 Drill Bit Set 1/16" to 1/2" by 32nds DRILL HOG

Drill Hog #ad - 1/16 to 1/2" by 1/32nds includes Steel Case with Pop Up Tiers. Solid cobalt M42 Steel. Lifetime Warranty. 135 degree split Point Prevents "walking". Tri flat shank - 3 flat sides on Shank Prevents "Spin" in the Chuck.
BrandDrill Hog #ad
ManufacturerDrill Hog #ad
Weight1 Pounds
Part Number21M42GB

5. Drill Hog


Drill Hog 29 Pc Super Premium Cobalt M42+ Drill Bit Set

Drill Hog #ad - Lifetime Warranty. Super premium solid Cobalt M42+ Steel. Tri-flat shank prevents "Spinning" in the Drill Chuck. 1/16" to 1/2" by 1/64th increments Does Not Skip any Sizes. 135 degree split Point Prevents "Walking".
BrandDrill Hog #ad
ManufacturerDrill Hog #ad

6. MaxTool


MaxTool 29 Pieces M42 Cobalt Drill Bit Set; Jobber Length 8% Cobalt 136 Deg Split Point Fully Ground 1/16“ to 1/2” X 64th; JBS42G10R029P

MaxTool #ad - 135-degree split point prevents "Walking", reduce logging, and penetrates hard material without a pilot hole. Premium quality 8% cobalt high speed Steel M42 Hardness up to HRC68 provides all drills long tool life. Golden surface finish resists corrosion and increases the hardness of the drill bits. Precision fully ground ensures chips moving smoothly, ultimate accuracy and performace. Sizes range: inch sizes 1/16" 00625 to 1/2" 05000 in 1/64" increments.
BrandMaxTool #ad
ManufacturerTianshun Tools #ad
Height2.36 Inches
Length7.87 Inches
Weight1530 Grams
Width4.72 Inches
Part NumberJBS42G10R029P

7. Irwin Tools


Cobalt, IRWIN Drill Bit Set, 15-Piece 316015

Irwin Tools #ad - 135-degree split point tip starts on contact, cuts with less force. Similar cobalt sets available for almost every drilling application. Reduced shank above 3/8-inch allows the use of larger drill bits in a 3/8-Inch chuck.

Extra hard drill for greater wear. 135-degree split point tip starts on contact, cuts with less force. Cobalt steel extends cutting edge life and maintains cutting life after resharpening. Extra hard drill for greater wear. Reduced shank above 3/8-inch allows the use of larger drill bits in a 3/8-Inch chuck. Cobalt steel extends cutting edge life and maintains cutting life after resharpening. Similar cobalt sets available for almost every drilling application.
BrandIrwin Tools #ad
ManufacturerIRWIN #ad
Height11.06 Inches
Length10.25 Inches
Weight0.4 Pounds
Width10.94 Inches
Part Number316015



DEWALT Cobalt Drill Bit Set with Pilot Point, 14-Piece DWA1240

DEWALT #ad - Intended to be used on hard metals. Designed for maximum speed and life. No bit walking - more user control. Pilot point and split tip design.
BrandDEWALT #ad
ManufacturerDewalt #ad
Height8.75 Inches
Length8.75 Inches
Weight0.8 Pounds
Width1.74 Inches
Part NumberDWA1240



COMOWARE Cobalt Drill Bit Set- 13Pcs M35 High Speed Steel Twist Jobber Length for Hardened Metal, Cast Iron and Wood Plastic with Metal Indexed Storage Case, Stainless Steel, 1/16"-1/4"

COMOWARE #ad - Organized holder: set includes the drill bit holder with size index for easy storage and organizing. 13 pieces included: 1/16", 7/64", 11/64", 3/16", 15/64", 3/32", 9/64", 5/64", 7/32", 13/64", 5/32", 1/8", 1/4".

Particularly successful in cutting through hard metals such as stainless steel, titanium alloy, hard plastics and woods, high temperature alloy, cast iron, and also can be used for softer materials. Precise 135°split point & twist design: Prevent walking, clear chips and particles faster. Professional & widely use: m35 cobalt hss is more suitable for hardened material. Hss with 5% cobalt: durable, Higher Heat & Abrasion Resistance.
ManufacturerCOMOWARE #ad

10. Neiko


Neiko 10197A Titanium Step Drill Bit Set, High Speed Steel | 5-Piece Set | Total 50 Sizes

Neiko #ad - 135° split point and two flute design increases cutting speed with self-centering and prevents walking, clears chips faster and allows particles to escape easily. Set includes: drill bit #1 10 step sizes: 1/4", 3/4"; drill bit #4 13 steps: 1/8", 5/8", 11/16", 1/4", 5/16", 3/8", 3/8", 1/4", 1/4", 1/2", 7/8", 7/16", 3/16", 9/32", 7/16", 1/2", 1-1/8", 3/8", 5/16", 13/32", 7/16", 5/8", 3/8", 1/2"; drill bit #5 6 steps: 3/16", 1", 3/4", 5/16", 9/16", 13/16", 1-3/8”; drill bit #2 12 step sizes: 3/16", 3/8", 5/32", 5/8", 11/32", 15/32", 11/16", 7/8; drill bit #3 9 steps: 1/4", 1/2", 7/16", 1-1/4", 9/16", 5/16", 3/4", 7/32", 1/2".

Set comes with a sturdy blow molded case. Tri flatted shank fits into power tools chuck securely and eliminates slip. Classic high speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal.
BrandNeiko #ad
ManufacturerGrace Marketing- HI #ad
Height1.57 Inches
Length7.95 Inches
Weight1.14 Pounds
Width4.72 Inches
Part Number10197A