Top 10 AMOOLO Cobalt Drill Bit Set – Jobber Drill Bits

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1. amoolo


AMOOLO Cobalt Drill Bit Set 31Pcs 1/16"-1/2", Stainless Steel, M35 High Speed Steel Metal Drill Bits Jobber Length for Hardened Metal, Plastic and Wood, Cast Iron

amoolo #ad - M35 cobalt high speed steelindustry grade m35 high speed steel drill bit set, much harder than HSS used in other similar drill bits set. Get your drill bits today along with our 90-day Hassle-Free Warranty Policy, exchange or refund guaranteed for any product defect!135° split point with round straight shank prevents walking and makes drilling precise and faster.

Most commonly-used 20 sizesa complete combo set of 31 jobber length industrial drill bits for metal drilling 1/16", 5/16", 11/32", 7/16", 15/64", 5/32", 7/32", 7/64", 9/64", 3/16", 17/64", 3/32", 3/8", 11/64", 1/8", 13/64", 1/4", 9/32", 5/64", 1/2" . These drill bits contain 5% Cobalt, which increases wear-resistance and durability. Multiple applicationperfectly suitable for cutting through hard metal such as Stainless Steel, Sheet Metal and Cast Iron as well as Plastic, Wood and Other Softer Metals.

90 days warrantyat amoolo, we center on customer satisfaction. Pay attention to speed, Aluminum Alloy, Steel, pressure and heat control during drilling. No center punch is needed. They fit the majority of power drill currently on the market and comes with a portable plastic case for easy storage and organization. Precise & efficient drilling performance fully ground spiral groove design clears particles quickly, decreases friction and heat for a faster and cooler drilling performance.
Brandamoolo #ad
Manufactureramoolo #ad
Part Number6974157525522



BOSCH CO14B 14-Piece Cobalt M42 Metal Drill Bit Assorted Set

BOSCH #ad - Includes – 1/16", 7/64", 3/16", 5/16", 5/32", 1/8", 9/64", 3/32", 5/64", 7/32", 3/8", 1/4", 1/2". Thick web-helix design – provides additional stability in tough applications.

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. Surface-hardened tip – penetrates tough abrasive materials. Cobalt m42 drill bit – provides upgraded m42 cobalt jobber-length bits designed for durability, titanium, high heat resistance and Hardened surface for stainless steel, cast iron, light-gauge metal and aluminum. Standard bits.
BrandBOSCH #ad
ManufacturerBOSCH #ad
Part NumberCO14B
WarrantyProduct Defects Only



1/2", Cast Iron and Wood Plastic with Metal Indexed Storage Case, Stainless Steel, COMOWARE Cobalt Drill Bit Set- 115Pcs M35 High Speed Steel Twist Jobber Length for Hardened Metal, 1/16"

COMOWARE #ad - Professional & widely use: m35 cobalt hss is more suitable for hardened material. Organized holder: set includes the drill bit holder with size index for easy storage and organizing.

115 pieces included: 29pcs fractional size:1/16” to 1/2” in 1/64th increments; 26pcs Letter Size: A To Z; 60pcs Numbered Size: #1 To #60 Particularly successful in cutting through hard metals such as stainless steel, cast iron, titanium alloy, high temperature alloy, hard plastics and woods, and also can be used for softer materials. Hss with 5% cobalt: durable, Higher Heat & Abrasion Resistance. Precise 135° split point & twist design: Prevent walking, clear chips and particles faster.
ManufacturerCOMOWARE #ad

4. 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 - Unique round drill index combines form and function into 1 beautifully designed, easy to carry drill set. When all hands are on deck, hang the drill index on your belt whether you're in the shop or field.

Set contains 29 m42 cobalt drill bits sizes 1/16" - 1/2" x 1/64" increments. 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. Manufactured to aerospace standard 907 and display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel. Gold oxide finish acts as a lubricant and provides wear resistance.

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. Cobalt drills are effective in drilling tough, Inconel, high tensile strength materials like stainless steel, and titanium.
BrandDrill America #ad
ManufacturerDrill America #ad
Height2 Inches
Length6 Inches
Weight2.2 Pounds
Width4 Inches
Part NumberD/A29J-CO-PC



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

STROTON #ad - Premium m42 8% cobalt steel, usually give the best Heat, 68-70 hrc rockwell hardness Scale, Wear and Chip Resistance and Long Tool Life. 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. 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.
BrandSTROTON #ad
ManufacturerSTROTON Ltd #ad
Part NumberM42 Cobalt-8(19pcs)

6. Drill America


DWD29J-CO-PC 29 Piece M35 Cobalt Drill Bit Set in Round Case 1/16", Drill America, 1/2" X 64ths, DWDCO Series

Drill America #ad - Set of 29 jobber length drill bits includes inch sizes 1/16" to 1/2" in 1/64" increments. Gold oxide finish lubricates the drill bit and provides wear resistance. Meets anSI specifications. Self-centering 135-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging. Cobalt steel provides extended tool life compared to high-speed steel drill bits when drilling hard materials.
BrandDrill America #ad
ManufacturerDrill America #ad
Weight2.2 Pounds
Part NumberDWD29J-CO-PC



BOSCH CO21 21-Piece Cobalt Metal Drill Bit Set

BOSCH #ad - And larger. Also useful for general drilling in light-gauge metal, cast iron, and plastic. Versatility: includes laser-etched marking to provide clearly marked bit diameter.

Accuracy: featuring a no-skate split-point tip for clean, precise holes and accurate starts. Bosch cobalt metal drill bits are solid, reliable, and provide 4X longer life than standard high-speed drill bits. Tough: the bosch co21 drill bit set is manufactured from cobalt for drilling in hard and abrasive materials such as stainless, wood, and high-density metal. Reliable: the three-flat shank design promotes better grip and guards against slipping on bits 3/16 in. Performance: designed for very high drilling temperatures for superior performance in stainless steel. Included bit sizes: 1/16 in. 15/64 in. 11/64 in. 5/16 in. 5/64 in. 7/32 in. 7/64 in. 1/8 in. 9/64 in.
BrandBOSCH #ad
ManufacturerBosch #ad
Height1.5 Inches
Length4.6 Inches
Weight1.1 Pounds
Width9 Inches
Part NumberCO21



135 Degree Tip, M35 High Speed Steel, GMTOOLS 115Pcs Cobalt Drill Bits Set, Twist Jobber Length Drill Bit Kit for Hardened Metal, Plastic and Wood with Metal Indexed Storage Case, Cast Iron, Stainless Steel, 1/16"-1/2"

GMTOOLS #ad - 135° split point & twist design: the 135 degree fast cutting point is automatically centered and penetrates quickly with less pressure, reducing walking, fully ground drill bit with sharp and durable cutting edge. We provide 30-day money back.

100% satisfaction Guarantee for risk-free shopping! Perfect drill bits: precision grinding process for a clean surface and high grinding accuracy. Industry grade 6542 high speed steel drill bit set, harder than 4241 HSS used in other similar drill bits set. 115 pieces set includes: 29pcs fractional size: 1/16 to 1/2 inch bits in 1/64th increments; 26pcs Letter Size: A To Z; 60pcs Numbered Size: #1 To #60; Set includes the drill bit holder with size index for easy storage and organizing.

Quality commitment: if for any reason you are not satisfied with your purchase, please contact us. Enhanced m35 alloy material: these drill bits contain 5% cobalt alloy steel, which increases wear resistance and durability. Universal round drill shank, widely applicable of tool holding systems and tightly clamped. Twist design for clear chips faster.
BrandGMTOOLS #ad
ManufacturerGMTOOLS #ad
Part NumberCobalt Twist Drill Bit



#60 with Metal Indexed Storage Case, Fractional 1/16"-1/2", 135-Degree Split Point, JEFE HEX 115 PCS HSS Cobalt Drill Bit Set, Twist Jobber Drill Bits Set, Letter A, Z, Wire #1

JEFE HEX #ad - Wide application: jefe hex 115 pcs set with sharp and hard cutting edge is ideal for versatile application especially for projects made from hard material, medical equipment, machine parts, such as kitchen utensils, DIY projects and so on. Proper twist and flute design clears chips and particles fast.

Almost cover all sizes you would use. Organized holder: the whole drill bit set is kept in one iron case with size index holder for easy storage and organizing. Can also be used for soft materials. Twist drill bits: premium hss with 5% cobalt and 135° split point drill tip design guarantee 115 pcs drill bit keeping sharpness while drilling hard materials and prevent tips walking on the working surface. M35 cobalt hss twist drill bits is more suitable for hardened working material.

Cobalt jobber drill bits:115 pcs high speed steel with 5% cobalt drill bit set can resist high heat abrasion while drilling. Particularly adapt to drilling stainless steel, high temperature alloy, titanium alloy and even hard plastics, cast iron, and woods. Drill bits size: jefe hex 115 pcs set includes 29 pcs fractional sizes from 1/16" to 1/2" by 64ths increments; 26 pcs letter sizes from A To Z; 60 pcs wire sizes from #1 to #60 .
BrandJEFE HEX #ad
ManufacturerJEFE HEX #ad
Part NumberJEFE HEX



Pilot Point, DEWALT Titanium Nitride Coated Drill Bit Set, 21-Piece DW1361

DEWALT #ad - Tapered web provides greater durability to reduce breaking. Clip latch for secure closing. Drill bit set includes sizes from 1/16-inch to 1/2-inch in a plastic tough case.

Dewalt drill bit set has connectable accessory storage system to optimize storage space. Small bulk storage size fits inside the Small and Medium ToughCase plus sold separately - Ideal for organizing loose bits. Clear lid of the titanium Nitride Coated drill bit set allows you to easily see contents at glance. Patented bit-bar design of the drill bits set allows easy removal of bits and customizable placement. Includes: 1/16" x 2, 3/8" x 1, 15/64" x 1, 3/32" x 2, 11/64" x 1, 9/64" x 1, 5/32" x 1, 3/16" x 1, 1/4 x 1, 7/64" x 2, 13/64" x 1, 1/8" x 2, 7/32" x 1, 5/16" x 1, 5/64" x 2, 1/2" x 1.
BrandDEWALT #ad
ManufacturerDEWALT #ad
Height1.38 Inches
Length8.75 Inches
Weight1 Pounds
Width8.75 Inches
Part NumberDW1361
Warranty30 Day Money Back Guarantee