The Best Cobalt Dremel Bits

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We spent many hours on research to finding cobalt dremel bits, reading product features, product specifications for this guide. For those of you who wish to the best cobalt dremel bits, you should not miss this article. cobalt dremel bits coming in a variety of types but also different price range. The following is the top 9 cobalt dremel bits by our suggestions

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amoolo Twist Drill Bit Set (13 pcs), M35 Cobalt Drill Bit Set for Hard Metal, Stainless Steel, Cast Iron, 1/16"-1/4"

Last update was on: Saturday, July 18, 2020

ChewSteel Tools 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

Last update was on: Saturday, July 18, 2020

Bosch CO2135 1/8 In. x 2-3/4 In. Cobalt Drill Bit

Last update was on: Saturday, July 18, 2020

Migiwata Metric M35 Cobalt Steel Extremely Heat Resistant Twist Drill Bits with Straight Shank Set of 50pcs in 5 Sizes(1, 1.5, 2, 2.5, 3mm) to Cut Through Stainless Steel Cast Iron and Hard Metals

Last update was on: Saturday, July 18, 2020

Style:Meteric 50pcs in 5 Sizes(1, 1.5, 2, 2.5, 3mm)

M35 Grade Cobalt Steel

Cobalt drill bits are not made of pure cobalt, but rather a steel alloy with certain percent cobalt. The 5-percent alloy is known as M35 grade. The cobalt increases the strength of the steel and makes it more heat-resistant.

For Drilling Stainless Steel

This set of Migiwata M35 cobalt steel drill bits are particularly successful in cutting through hard metals such as stainless steel and cast iron, although they can be used for softer materials, too.

135 Degree Split Point

The flater the drill, the smaller the chip width. This means less force required to remove metal, compared with lower angles like 90° and 118°. This is important on hard stuff, because your power requirements are already more than mild steel, so making the chip load less helps. It also reduces heat since less surface area is generating the cut.

Lowest Cost Per Hole Drilled

Cobalt drill bits are more expensive than other drill bits, but if you regularly drill through metal, they are a good investment since they tend to last longer. With an extended tool life, Migiwata cobalt drill bits will give you the lowest cost per hole drilled.

Not Suggested for Hardened Steel, High Carbon Steel and Steels Blended with Impurities

M35 grade cobalt drill bits are NOT suitable for hardened steel, high carbon steel and heat-treated steel by the experiences of some customers.

Cooling Liquid Required

Please use with cooling liquid to prolong the working life of the drill bits and to avoid overheating and breakage.

About Breakage

Please be careful when you drill holes with shese needle-like small bits. They’re more likely to break than larger ones.


If you’re not completely satisfied with the product quality, please contact us. Refund or free replacement.

POWERTEC QDB2014 Cobalt Drill Bit 1/8-Inch | 135 Degree Drill Bit Set – 12 Pack

Last update was on: Saturday, July 18, 2020

amoolo Drill Bit Set (60 pcs), Titanium Coated Twist Drill Bits for Wood, Soft Metal, Plastic, Aluminum Alloys, 1/8"-3/64"

Last update was on: Saturday, July 18, 2020

Bosch CO14B 14 Pc. Cobalt M42 Drill Bit Set

Last update was on: Saturday, July 18, 2020

DEWALT Titanium Drill Bit Set, 21-Piece (DW1342)

Last update was on: Saturday, July 18, 2020

DEWALT’s titanium drill bits have a titanium coating that provides longer life when drilling in non-ferrous metals. These bits are also suitable for drilling in wood and plastic and are ideal for commercial and residential applications. The speed tip design reduces walking on start, and the no spin keeps the bit secure in the drill. Includes 21 bits sized from 1/16 to 1/2-Inch in a plastic tough case.

uxcell 1.6mm Twist Drill High Speed Steel Bit HSS M35 5% Co for Steel,Copper,Aluminum Alloy 10pcs

Last update was on: Saturday, July 18, 2020


How to Use Twist Drill Bits:

Ensure the left and right cutting edges of the drill are symmetrical when drilling.
Observe the uniformity of the spark while drilling, adjust the pressure in time, and pay attention to the cooling of the bit.


Mini twist drill bit can NOT be used in the impact drill.
1.6mm bits can be used with power drill, with low speed and low drilling pressure.


Material : High Speed Steel M35(HSS-M35) with 5% Co
Type : N Type 118 degree
Shank / Cutting Edge Diameter : 1.6mm
Cutting Edge Length : 20mm
Total Length : 42mm
Package Content: 10pcs x Twist Drill Bit


By our suggestions above, we hope that you can found Cobalt Dremel Bits for you.Please don’t forget to share your experience by comment in this post. Thank you!

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