Best Cobalt Bohrer 2026

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Last Updated - 27.03.2026

Best Choice

01

Bosch

Bosch 2608587018 HSS-CO Metal Drill Bit Cassettes,25 Pieces, 1-13 mm

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9.8

Exceptional

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Right-hand cutting twist drill bit type N, 135° drill bits with diameter tolerance h 8 and cross grinding according to DIN 1412 C, cobalt content 5 percent
Precision drill bits with pronounced heat resistance and wear resistance for use in drill stands or column drills, as well as excellent surface quality thanks to special factory standard. Use of universal cutting oil 2607001409 recommended.
Metal drill bit set for professional processing of alloyed and unalloyed steel, stainless steel V2A/V4A, grey cast iron, cast steel, acid and heat-resistant steels
Compatibility: For all drills with round shank drill holder
Box contents: drill diameter 1/1.5/2/2.5/3/3.5/4/4.5/5/5.5/6/6.5/7/7.5/8/8.5/9/9.5/10/10.5/11/11.5/12/12.5/13 mm, according to DIN 338

65,02 €
Value for Money

02

Pinava

Pinava Metal Drill Bit Set HSS Cobalt Pro [Extra Sharp & Robust] 25-Piece Professional Drill Bit for Stainless Steel, Steel, Iron etc. Precise Stainless Steel Drill Self-Centring 1-13 mm, 0.5 mm Steps

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9.7

Exceptional

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Premium cobalt alloy – industrial quality: 5% cobalt HSS stainless steel drill set with high heat resistance and wear resistance. Note (!) Pay attention to low speed + constant lubrication/cooling
Precise, accurate to size and centred – includes robust storage box and ideal labelling for faster work. The steel drill set with precise concentricity for clean results, DIN 338 standardised
Pinava - A FAMILY COMPANY - We trust 100% in our quality & offer you an absolutely risk-free order: Not satisfied with our HSS drill set metal? Money back - up to 60 days after purchase!
For stainless steel, steel, iron and other ferrous and non-ferrous metals such as aluminium, cast, zinc, black sheet, etc. The carbide drill set metal drill set professional – up to 1,100 N/mm² perfectly suitable
Extra sharp and robust – the Pinava stainless steel drill. Regrindable, stable and durable for extremely precise drilling in metal. DIN1412C cross cut with 135° tip for even better cutting performance

64,89 €
03

Bosch

Bosch 2608587014 HSS-CO Metal Drill Bit Cassettes,1-10 mm (pack of 19)

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9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Right-hand cutting twist drill bit type N, 135° drill bits with diameter tolerance h 8 and cross grinding according to DIN 1412 C, cobalt content 5%
Precision drill bits with pronounced heat resistance and wear resistance for use in drill stands or column drills, as well as excellent surface quality thanks to special factory standard. Use of universal cutting oil 2607001409 recommended.
Metal drill bit set for professional processing of alloyed and unalloyed steel, stainless steel V2A/V4A, grey cast iron, cast steel, acid and heat-resistant steels
Compatibility: For all drills with round shank drill holder
Box contents: drill diameter 1/1.5/2/2.5/3/3.5/4/4.5/5/5.5/6/6.5/7/7.5/8/8.5/9/9.5/10 mm, according to DIN 338

34,99 €
04

Bosch

Bosch 2607019924 6-Piece Robust Line Metal Drill bit Set HSS-Co, Gold

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9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

For drilling in steel and stainless steel, e.g. For example, when pre-drilling profiles and supports for anchors, rivets, threads and fixtures
Extremely efficient for builders and installers: long service life
Designed for drilling in stainless steel
Cylindrical shaft is suitable for cog drill chucks
Box contents: Pro stainless steel HSS-Co twist drill set, 6 pieces.

12,48 €
05

Artillery

Artillery Drill Bit Set, 74 Pieces M35 HSS Cobalt Twist Drill Bit Set, 1.0-8.0 mm 135 Degree HSS Cobalt Drill High Speed Steel for Metal, Wood and Plastic

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9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Twist design and performance: precise 135° split point, HSS drill set gold oxide finish and round straight shafts. Prevents walking, removes chips and particles faster. Produced by precision ground surface that ensures chips drain smoothly. The sufficiently sharp bit edge can cut the metal material into long strips of iron shavings instead of slowly grinding the material with a blunt drill
Professional and widely used: M35 HSS cobalt 5% cobalt HSS drill set, usually offers heat, wear and chip resistance and long tool life. Can also be used for drilling metals and other materials, such as cast iron, copper, high temperature alloy, titanium alloy, aluminium, hard plastic and wood, etc. Can be used
Material: M35 HSS drill bit set HSS cobalt drill metal with 5% cobalt. This spiral drill is usually able to run three to five times faster. Durable and robust for longer life. Suitable for particularly hard or hard metal drilling applications such as stainless steel, CR-Ni and special acid-resistant steels
Heat resistant: M35 hss twist drill bits must be used at 1500 rpm or more for maximum efficiency. Straight shank allows for firm hold and accurate centering, suitable for standard drill chucks and normal round collets. The three-stage design can improve efficiency when drilling stainless steel, aluminium, copper, plastic and hardwood
74 pieces drills: 1 mm x 10 pieces, 1.5 mm x 10 pieces, 2 mm x 10 pieces, 2.5 mm x 10 pieces, 3 mm x 5 pieces, 3.2 mm x 5 pieces, 3.5 mm x 5 pieces, 4 mm x 5 pieces, 5 mm x 5 pieces, 6 mm x 5 pieces, 7 mm x 2. 8mm x 2 Pieces

23,99 €
06

TJR

TJR 4-10 mm Twist Drill Bit HSSE Cobalt 5% M35 5-Piece Set - Metal Drill Set, Metal Drill, HSS Cobalt Drill Set, Cobalt Drill, Drill Bit Set, Twist Drill Metal, Stainless Steel Drill Bit

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9.2

Excellent

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Main highlights

Wide size range 4-10 mm: the set contains 5 precision-machined drill bits set metal (4, 5, 6, 8, 10 mm), ideal for various materials such as stainless steel, wood, plastic and aluminium. Perfect as a metal drill set professional or drill set for industrial applications and DIY projects.
Versatile Application & Special Shank: This drill set/drill bit set effortlessly drills into metal, steel drills, iron, wood and plastic. The special shaft with triangular profile prevents slipping in the drill chuck, ideal for professional workshops, construction sites or demanding DIY projects.
STEP TIP DESIGN The innovative step tip of the twist drill metal ensures precise centring, clean drilling and better chip removal. Reduces slipping and friction, especially on slippery surfaces.
PREMIUM MATERIAL & DURABILITY Made of HSS cobalt drill bit set with 5% cobalt, these metal drill bits, stainless steel drill bits and steel drill bits provide exceptional strength, temperature resistance and longevity for professional and DIY applications.
HEAT RESISTANT COATING Specially coated for high RPM and hard materials such as hardened steel and stainless steel drill bit set, reduces heat build-up and extends the life of HSS drill bits. Less regrinding, more efficiency.

29,00 €
07

WeLiQu

WELIQU HSS-E Cobalt Twist Drill Bit Diameter 3.0 mm Ground Self-Centering Precision Drill Bits for Metalworking Pack of 10

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9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Versatile use: suitable for drilling steel with a strength of up to 1,000 N/mm², V2A, CrNi, bronze and cast materials.
Self-centring: thanks to the special tip geometry, the precision drill bits drill automatically and precisely into the material without slipping.
Reliable quality: complies with the DIN 338 standard and impresses with its high durability, heat resistance and a long service life.
Excellent precision: the twist drills made of high-quality HSS-E M35 cobalt ensure precise and clean holes in metal.
Box contents: 10 x HSS-E cobalt twist drills diameter 3.0 mm, length 61 mm, AL 33 mm

9,14 €
08

Runihorn

Runihorn Metal Drill Bit Set HSS-E Cobalt Pro 11-Piece Drill Bit Set 1-6 mm, 0.5 mm Steps, HSS Drill, Cobalt Drill Bit Set, for Stainless Steel, Steel, Iron etc

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8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

【135° Tip】The 135° tip centres automatically and allows fast drilling with low pressure. The HSS Co drill is fully ground and features a sharp and durable cutting edge. The spiral shape moves the chips up and out of the drill hole.
Versatile use: metal drill set suitable for drilling materials such as stainless steel, cast iron, alloys, wood and hard plastics.
Round straight shank: drill set with round, straight shaft design, self-centring design prevents bleeding, fully ground spiral shape for optimal drilling performance thanks to reduced friction.
M35 cobalt drill: Standard length HSS drill bit made of 5% cobalt alloy high-speed steel. The bronze steam treatment provides a combination of hardness and toughness and thus high wear resistance. The durable, thick bridge construction reinforces the core and increases the life of the metal drill.
Box contents: the metal drill set HSS-E contains 11 pieces, drill set 1-6 mm, 0.5 mm increments, a sufficient quantity for daily use.

10,99 €
09

kwb

kwb Metal Drill Bit Diameter 1 mm HSS-E 248610, multicolour, 248920

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8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

The drill bits are robust against extreme heat, difficult to machine materials and are especially suitable for alloyed and unalloyed steel, stainless steel, stainless steel, V2AV4A, grey cast iron, cast steel, bronze, plastics etc
Steel drill bit with 135° pointed angle and split point according to DIN 1412 C, self-centring and cylindrical - please note the speed of the drill (see packaging back)
Right-hand cutting, precision-ground cobalt HSS drill bits from kwb
High-speed steel twist drill bits in industrial quality, 5% cobalt alloyed - contents: 19 pieces. Set in diameter sizes 1 to 10, pitch 0.5 mm, DIN 338
Even at high heat, the spiral drill bit wears only slightly (item number: 248920)

22,09 €
10

STROTON

STROTON M42 8% Cobalt Drill Bit Set Metal for Stainless Steel and Hard Metal (1 mm - 10 mm / 19 Pieces), Premium HSS Metal Drill Bit Set

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8.4

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

This twist drill bit is usually able to run three to five times faster. Despite the higher price, the cost per hole is the lowest when using a cobalt drill as it can produce so many more holes.
The three-stage design can improve the efficiency of drilling stainless steel, aluminum, copper, plastic and hardwood.
The sufficiently sharp bit edge can cut the metal material into long strips of iron shavings instead of slowly grinding the material with a blunt drill.
Premium M42 8% Cobalt HSS Drill Bit Set, 68-70 HRC (Rockwell Hardness Scale), usually provides the best heat, wear and chip resistance and long tool life.
19 piece 135 degree split point steel drill set includes: 1 mm (length: 3.4 cm) 1.5 mm 2 mm 2.5 mm 3 mm 3.5 mm 4 mm 4.5 mm 5 mm (length: 8.5 cm) 5.5 mm 6 mm (length: 9 cm) 6.5 mm 7.5 mm 8 mm (length: 11.5 cm) 8.5 mm 9 mm 9.5 mm 10mm(length: 13 cm) [1-10 mm in 0.5 mm increments] .

46,89 €