Top 10 Best Jobber Drill Bits Cobalt in 2022
Before you buy an best jobber drill bits cobalt online, there are certain factors that you should consider. Read customer reviews before purchasing a product. It is essential to compare various customer reviews and determine what customers think about the product. At this point, you can rely on our recommendation because we have done a complete research on best jobber drill bits cobalt on behalf of you. It will help you make an informed decision that you want to buy online.
Review of Best Jobber Drill Bits Cobalt
1. IRWIN Jobber Drill Bit, Cobalt Alloy Steel, 1/8-Inch, 135-Degree, 1 …
- Brand: Irwin Tools
- Manufacturer: IRWIN
- Color: Multi
- Dimensions: Height: 0.125 Inches Width: 0.25 Inches Length: 3.0 Inches Weight: 0.1 Pounds `
Features
- M-35 Cobalt Alloy Steel Construction for Durability in abrasive materials
- Jobber drill bits feature 135-Degree Split Point Tips for reduced bit walking
- Straight shank works in both keyed and key-less drill chucks
- Heavy duty spiral flute design produces faster chip ejection
- Shorter cutting lips reduce torque for drilling in high tensile strength materials
2. 3/16-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for …
- Brand: Drill Hulk
- Manufacturer: Drill Hulk Ltd
- Color: Brownish-gold
Features
- JOBBER LENGTH: 3/16-inch cutting diameter, 2-5/16-inch flute length, 3-1/2-inch overall length, 135 degree split point, 3-flat shank
- MADE FROM HIGH-SPEED STEEL AND 5% COBALT: improve much higher heat resistance because of cobalt steel’s high red hardness, provide strong durable performance compared to typical hss drill bits
- CAN BE REPEATEDLY SHARPENED AS NEEDED: cobalt drill bit’s 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
- APPLICATION: best used for drilling in hard metal, including stainless steel
- INCLUDE: 12 pieces of 3/16-inch cobalt drill bits with case
3. BOSCH CO2138B 11/64 In. x 3-1/4 In. Cobalt M42 Drill …
- Brand: BOSCH
- Manufacturer: Bosch
Features
- 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
4. Yougfin Cobalt Drill Bits, M35 HSS Metal Jobber Length Twist …
- Brand: Yougfin
- Manufacturer: Yougfin
Features
- 【M35 HSS+5% Cobalt】：Yougfin drill bits are made of M35 High Speed Steel with 5% Cobalt added, which is much harder than typical HSS and thus suitable for precision drilling in stainless steel and other hard materials. What’s more, cobalt blend gives these bits a much longer life
- 【Dual Flutes】:Drill bits are rotary cutting tools that have two cutting edges and two flutes which are grooves formed in the body to provide cutting lips, to permit the removal of chips and to allow coolant or cutting fluid to reach the cutting action
- 【135° Split Point】：These bits have a small point angle of 135° and require less pressure when centering in the material. The point starts drilling at contact, reducing friction, pressure, and heat. The larger the point angle, the higher the contact pressure and the centering in the material requires more pressure
- 【Operation Technique】：When drilling a hole with a cobalt bit, add a drop of oil on the metal to keep the cutting edge cooler as it cuts. You also want to consider placing some wood underneath the steel if possible. This lets you cut cleanly through the material and not strike a surface below which might dull the cutting edge
- 【Application & Tip】：Yougfin Jobber Drill Bit are ideal for sheet metal working and are suitable for cutting non-ferrous metals, plastic, wood board, etc. ***Tip***：Please keep the bit perpendicular to the material during operation to prevent it from breakage. If you have any questions about Yougfin products, please feel free to contact us
5. BECOLLO 1/4 Inch Cobalt Drill Bit Set, M35 Jobber Length …
- Brand: BECOLLO
- Manufacturer: BECOLLO
- Color: Bronze
- Dimensions: Length: 10.0 Centimeters
Features
- Made from cobalt(5%) High Speed Steel , increases the wear and heat resistance of drill bit, the life span of drill bit is prolonged.
- Fully Grinding Processing makes the surface of drill bit smoother, the friction can be reduced and the cutting speed is faster.
- 135° Split Point Design improves cutting speed while easy self-centering, prevent walking and skating across the workpiece surface
- Perfect suitable for drilling in hard metals such as stainless steel and cast iron, and other softer material are also possible.
- 10pcs of 1/4″ cobalt drill bit are packed in a plastic case for easy storage and carrying , manufactured in strict accordance with ANSI B94-11M.
6. BOSCH CO2131 1/16 In. x 1-7/8 In. Cobalt Drill Bit
- Brand: BOSCH
- Manufacturer: Bosch
- Color: Metallic
- Dimensions: Height: 0.06 Inches Width: 1.79 Inches Length: 5.91 Inches Weight: 0.01 Pounds `
Features
- Withstands high-temperature applications for extended periods of time (up to 1,100 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 light-gauge metal, high-carbon steel, aluminum and ally steel, cast iron, stainless steel and titanium
7. Hymnorq 21/64 Inch Dia. x 4.6 Inch Long M35 Cobalt …
- Brand: HYMNORQ
- Manufacturer: Hymnorq
Features
- COBALT STEEL – Manufactured from M35 cobalt steel, with molybdenum and cobalt added to create a hardened heat-resistant 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 135°quick-cut pilot split points are self-centering 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.
- 5PC 21/64″ FRACTIONAL INCH BITS – The set includes 5pcs of M35 cobalt steel twist drill bits, well orgnized in a tough PVC case for easy storage. Total length: 4.6″; working length: 3.3″. Manufactured to German DIN338 standard.
- FOR METALWORKING – Particularly successful in cutting through hard metals(hardness 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.
- DOWNLOADABLE USER GUIDE – We’ve 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.
8. Drill America – D/A29J-CO-PC 29 Piece M42 Cobalt Drill Bit …
- Brand: Drill America
- Manufacturer: Drill America
- Dimensions: Height: 2.0 Inches Width: 4.0 Inches Length: 6.0 Inches Weight: 2.2 Pounds `
Features
- Set contains 29 m42 Cobalt Drill Bits sizes 1/16″ – 1/2″ x 1/64″ increments
- Cobalt Drills are effective in drilling tough, high tensile strength materials like stainless steel, Inconel, and titanium
- Gold oxide finish acts as a lubricant and provides wear resistance
- Round shanks allow use with a wide variety of tool holding systems
- Manufactured to Aerospace Standard 907 and display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel
- 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
- 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
- When all hands are on deck, hang the drill index on your belt whether you’re in the shop or field
- Unique round drill index combines form and function into 1 beautifully designed, easy to carry drill set
9. NordWolf 7-Piece M35 Cobalt Jobber Drill Bit Set for Stainless …
- Brand: NordWolf
- Manufacturer: Hangzhou Huikang Tools
- Dimensions: Height: 0.4330708657 Inches Width: 2.4015748007 Inches Length: 4.4881889718 Inches
Features
- 【High Quality Steel】M35 Cobalt steel precision ground jobber length drill bits for extra durability and long lifetime
- 【Efficient Design】135 Degree split point two-blades special design drill tip (7/64-inch and larger) for perfect self-centering and fast drilling
- 【Multi-Purpose Use】Suitable for stainless steel, cast iron, titanium, bronze, aluminium and other hardened metals
- 【Integrated Hex Shank】1/4-inch hex shank compatible with standard and quick change chucks and drivers, 7/32, 15/64, 1/4-inch come with one piece 1/4-inch hex shank
- 【Popular Sizes】Includes common imperial sizes in 1/8″(x3), 3/16″(x2), 1/4″(x2). Packed in storage rail lasered with sizes for easy identification
10. amoolo 1/4″ Cobalt Drill Bit(10 Pcs), M35 HSS Metal Drill …
- Brand: amoolo
- Manufacturer: amoolo
Features
- 【10Pcs 1/4″ Cobalt Drill Bits】10Pcs – 1/4”(Dia 6.35mm) x 2-3/4”(Flute Length 69.85mm) Metal Drill Bits.This drill bit fits the majority of power drill currently on the market and come with a portable plastic case for easy storage and organization.
- 【M35 Cobalt High Speed Steel】Industry grade M35 high speed steel drill bit set, much harder than HSS used in other similar drill bits set. These drill bits contain 5% Cobalt, which increases wear-resistance and durability.
- 【Fully Ground Process & 135° Split Point】Fully 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.
- 【Multiple Application】Perfectly 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.
- 【90 Days Warranty】If you are not fully satisfied for any reason, please contact us for 100% refund or replacement.
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Final Words
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