homehealthfamily 
Best results for who makes the best cobalt drill bits
21 Pc Cobalt M42 Drill Bit Set 1/16" to 1/2" by 32nds DRILL HOG USA
Drill Hog USA 13 Pc COBALT Drill Bit Set Index M42 Drill Bits
Migiwata Metric M35 Cobalt Steel Extremely Heat Resistant Twist Drill Bits with Straight Shank Set of 13pcs to Cut Through Hard Metals Such as Stainless Steel and Cast Iron
$14.99
$18.74
Amazon.com
Last update was on: December 6, 2023 4:58 am
- 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.
- NO CENTER PUNCH NEEDED - The 135° Quick-Cut points are self-centering 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
Drill Doctor DD350X 350X Drill Bit Sharpener
$49.26
$63.55
Amazon.com
Last update was on: December 6, 2023 4:58 am
- SHARPENS STANDARD DRILL BITS – from 3/32" to 1/2" standard twist bits. Ideal for shops that use the most common bit styles & is compatible for use with wood and light metals
- PROFESSIONAL DESIGN & CONSTRUCTED FOR DURABILITY - industrial-strength diamond sharpening wheel that won't change shape over time, & a cool design so bits don't heat up and lose their tempering as you sharpen them
- TWO EASY STEPS - eliminates the need for alignment port & simplifies the sharpening process, making the 350X a perfect choice for home workshops. Simply secure the bit & turn the chuck an even number of half turns to achieve a perfect 118° angle. V-block jaws hold the bit precisely in place & ensure that you don't have to worry about jaw twisting, even when working with small bits
Drill Doctor 750X Drill Bit Sharpener for High-Speed Steel, Masonry, Carbide, Cobalt, TiN-coated Drill Bits, with Adjustable Angles from 115° to 140°, Sharpens 3/32in – 3/4in Drill Bits
Amazon.com
Last update was on: December 6, 2023 4:58 am
- SHARPEN MULTIPLE TYPES OF DRILL BITS – high-speed steel, masonry, cobalt, & TiN-coated drill bits. Designed for the serious tool user, this professional, easy-to-use system makes it simple to keep a sharp, perfectly angled cutting edge on bits you use often
- CUSTOM POINT ANGLE SHARPENING – set any angle from 115° to 140° with cast aluminum point angle shuttle for added durability, a unique BACK-CUT split-point bit an extra-narrow chisel point, making it faster to penetrate and less likely to wander on the material you are drilling in to
IRWIN Titanium-Nitride Coated Metal Index Drill Bit Set with Case, 29-Piece, 3018003
$131.55
$196.01
Amazon.com
Last update was on: December 6, 2023 4:58 am
- Titanium-coated nitride drill bits last longer and feature a cutting edge that stays sharp
- 135° split-point tip starts drilling immediately and helps eliminate walking
- IRWIN drill bits are great for repetitive metal drilling with portable drills and for use in stationary drill presses
- Includes 1/16" through 1/2" drill bit sizes in 1/64" increments
- Titanium nitride coating extends cutting edge life up to 6x
Tacklife PDH06A Classic Titanium Step Drill Bit Set & Automatic Center Punch，High Speed Steel |5-Piece Set| Total 50 Sizes，Double Cutting Blades Design with Aluminum Case
$25.97
$30.64
Amazon.com
Last update was on: December 6, 2023 4:58 am
- You could watch our video and know more our step drill bit PDH06A
- ❤Great Titanium Step Drill Bit Set❤
- ▲ 50 SIZE IN 5 - The bits set includes five standard step drill bits that can replace 50 individual drill bits, you can process 50 different kinds of diameter holes with the five pieces
- ▲ HSS & TITANIUM COATING - High speed steel makes it last longer than others, titanium coating ensures easily cut through steel 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
Best Choice 8-Piece 1/2” Shank Silver and Deming Drill Bit Set in Aluminum Carry Case, High Speed Steel (HSS) | SAE Size 9/16” – 1” by 1/16th Increment
$27.99
$37.23
Amazon.com
Last update was on: December 6, 2023 4:58 am
- Premium cobalt high speed steel construction for proven capability and durability to drill holes in wood, plastic, aluminum, copper, stainless, sheet metals and many other types of materials
- Superior gold titanium and black nitride dual coating finish holds up lubricant better for smoother drilling, and is 80% more durable and corrosion resistant than regular black enamel finish
- 135° Split point design at tip increases cutting speed with self-centering feature and prevents drill walking or wobbling
Bosch CO2143 1/4 In. x 4 In. Cobalt Drill Bit
$3.52
$4.93
Amazon.com
Last update was on: December 6, 2023 4:58 am
- 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
DEWALT DW1354 14-Piece Titanium Drill Bit Set
Norseman by Viking Drill and Tool 66820 Ultra Dex SPM-29 Type 250-UB 135 Degree Split Point Magnum Sup Premium Mechanical Set (29 Piece)
$92.99
$119.96
Amazon.com
Last update was on: December 6, 2023 4:58 am
- 29 pc. Ultra Dex Premium Mechanic 3-Flats on Shank 135-Degree Split Point
- 135-Degree split point for accurate centering and fast penetration
- Precision ground point, flutes, body, clearance and drill diameter for ultimate accuracy and performance
- Special Hi-Molybdenum tool steel/ Gold Oxide
- Mechanics Length 3-flats on shank
DEWALT DW1361 Titanium Pilot Point Drill Bit Set, 21-Piece
Milwaukee 48-89-4680 18-Piece Shockwave Impact Duty Thunderbolt Titanium Drill Bit Set w/ Anti-Walking 135 Degree Angled Tip and Storage Case
$49.95
$73.43
Amazon.com
Last update was on: December 6, 2023 4:58 am
- KIT INCLUDES: 2 x 1/16", 2 x 5/64”, 2 x 3/32”, 1 x 7/64”, 2 x 1/8", 1 x 9/64”, 1 x 5/32”, 2 x 3/16”, 1 x 7/32”, 2 x 1/4", 1 x 5/16”, 1 x 3/8"
- SHOCKWAVE GEOMETRY: These bits are rated to stand up to high torque applications from heavy duty drill / drivers
- CHIP CLEARING: A parabolic flute form helps clear chips and debris away from the bit, decreasing friction and heat for a faster, cooler drilling process
HYCLAT 5pcs Titanium Step Drill Bit, Hss Cobalt Multiple Hole 50 Sizes High Speed Metal Steel Step Drill Bit Set with Aluminum Case
$19.99
$25.99
Amazon.com
Last update was on: December 6, 2023 4:58 am
- 5pcs step drill bit IN 50 SIZES - each one step drill bit can drill several bore diameters. It's can work as 50pcs twist drill bits.You do not to replace drill bit constantly with the step drill bits.
- TITANIUM | HIGH SPEED STEEL: 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 metaland.
Drill Doctor DD500X500x Drill Bit Sharpener, Professional Design & Construction for Durability with Industrial-Strength Diamond Sharpening Wheel, Set Point Angles at 118° & 135°, Sharpens 3/32" to 1/2" standard twist bits
Neiko 10193A Titanium Step Drill Bit Set, High Speed Steel | 3-Piece Set | Total 28 Sizes
$12.97
$16.99
Amazon.com
Last update was on: December 6, 2023 4:58 am
- TITANIUM | HIGH SPEED STEEL: 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
- 135° SPLIT POINT TIP: increases cutting speed with self-centering and prevents walking
- TWO-FLUTE DESIGN: clears chips faster and allows particles to escape easily
- TRI-FLATTED SHANK: fits into power tools chuck securely and eliminates slip
