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Cobalt Metal Drill Bits
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8% Cobalt TiN Drill Bit BZECTZAYI-12MM
Made of 8% high cobalt steel, excellent heat resistance for hard metal drilling TiN titanium nitride coated surface improves hardness and wear resistance Standard DIN338 industrial specification with precise dimensional tolerance Optimized spiral flute design for smooth chip evacuation without clogging Sizes 1mm-13mm, ideal for stainless steel, alloy steel and iron machining
£61.63
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Amazon Marketplace - 闻莱商贸
3PCS M35 AlTiN Cobalt Hex Shank Step Drill Bit Set MNACMMASK
3PCS M35 cobalt step drill bit set for metal hole drilling work 1/8"-7/8" sizing meets diverse hole making needs in daily processing 1/4" hex shank fits regular metal drilling tool connection demands AlTiN coated surface for wear-resistant performance in drilling operation Practical step drill set for various metal drilling work scenarios
£116.54
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Amazon Marketplace - Dongyuan County Hanwei E-Commerce Co., Ltd.
3PCS M35 Cobalt Step Drill Bits, 4-20mm 9-Step Cone Cutter BECZAZDAZ
Product Sizes: 9-step design (4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm); flute length: 52.3mm; shank diameter: 6.30mm; material: HSS M35 (HSS-Co5) cobalt steel. Features 1/4" hex shank, with 1/2" square to 1/4" hex adapter included; black spiral flute Reliable Design & Efficient Drilling: 118° X-type split point for precise positioning and anti-slip; hex shank ensures tight clamping. Black spiral flute enables smoothly chip removal, reducing resistance and clogging. M35 cobalt steel offers durability; cone structure meets multi-hole size needs, saving time Package: Includes 3PCS HSS M35 step drill bits (black spiral flute), 3 hex shank adapters, and 3 sets of retaining ring & pin (rubber O-ring + lock pin). The free retaining ring & pin set prevents sockets from falling off the adapter. The adapter converts 1/2" square drive (for impact wrenches) to 1/4" hex shank – essential for impact wrenches, optional for other electric drills. Versatile Uses: Suitable for drilling aluminum, iron, steel (≤5mm thick), and 304 stainless steel (≤1mm with hand drill, ≤2.5mm with bench drill). Ideal for metalworking, electrical, plumbing, DIY, and construction. Compatible with impact wrench, bench drill, hand drill, and cordless drill. Notes: Keep water cooling during operation to extend bit life. Do not use on concrete, tiles, glass, or other hard materials. Check device compatibility before ordering.
£63.06
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Amazon Marketplace - QINWUHOME
Century Drill & Tool 74105 Cobalt Left Hand Drill Bit, 5 Piece Set B004UUA5G0
Cuts Through Tough Metals and Fasteners with Ease: Crafted from durable M35 cobalt steel, these Century left-hand drill bits are engineered to cut through hardened metals, bolts, and studs—offering excellent wear resistance and long-lasting performance in tough applications. Self-Centering 135° Quick-Cut Points for Accurate Starts: Designed with Century’s 135° quick-cut points, these bits start precisely without the need for a center punch—reducing walking and allowing for faster, cleaner drilling with less pressure. Mechanics Length for Strength and Stability: The shorter, mechanics length style offers greater strength and control during precision drilling—ideal for extracting broken fasteners or working in tight spaces where accuracy is critical. Heavy-Duty Web Construction for Breakage Resistance: Reinforced with a thick web design, these bits provide added durability and reduce the risk of breakage when drilling into hardened materials or using in demanding shop or jobsite environments. Essential 5-Piece Set for Left-Hand Drilling: Includes 1/8", 3/16", 1/4", 5/16", and 3/8" left-hand drill bits—perfect for reverse drilling, broken screw removal, and other specialized tasks where standard bits won’t do the job., Manufacturer: Century Drill & Tool
£29.55
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Drill America 17.50mm Reduced Shank Cobalt Drill Bit with 1/2" Shank, D/AMMCO Series SF-DINAN-32852617264
Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools Round shanks allow use with a wide variety of toolholding systems When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging Manufactured to National Aerospace standard 907
£87.43
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4241 Cobalt Step Drill Bit Set 50 Sizes BPVYPYLDB
4241 cobalt step drill bit set featuring 50 sizes for versatile drilling applications Efficient multiple hole cone bit design allows drilling various diameters with one tool Durable construction effectively cuts through metal, wood, and plastic materials Comes with a sturdy aluminum case for organized storage and easy portability Ideal tool for electricians, plumbers, and general home or industrial maintenance projects
£71.46
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Amazon Marketplace - Shenzhen Aoxikang E-commerce Co., Ltd.
Clarke CHT384 - 25pce Cobalt Steel Drill Bit Set - 1801384 FC-I2FV-9EGF
25 metric drills from 1 to 13mm diameter in 0. 5mm increments
£64.98
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Titanium Cobalt HSS Cone Step Drill Bit MNACMMCCK-CO-STRAIGHT-15STEP
Blend cobalt into HSS base and add titanium coat to boost wear and heat resistance Spiral and straight flute structures discharge metal scraps fast to avoid drill clogging Three standard size ranges fit diverse hole expansion demands of different workpieces Layered cone steps cut tidy low-burr holes on steel metal and wooden panels alike Pair well with standard electric drills for repair and small batch machining projects
£64.62
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Amazon Marketplace - Dongyuan County Hanwei E-Commerce Co., Ltd.
Connect HSS Cobalt Drill Bits 12.0mm 5pc 35145
Connect HSS Cobalt Drill Bits 12.0mm 5pc 35145, Home, Furniture & DIY > DIY Tools & Workshop Equipment > Hand Tools > Other Hand Tools
£95.45
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eBay - topratedtools
Sealey HSS Cobalt Fully Ground Drill Bit Ø1/4" Pack of 10 DBI14CB
Sealey DBI14CB HSS Cobalt Fully Ground Drill Bit 1/4" Pack of10 • Fully ground HSS Cobalt drill bits manufactured to DIN338. • 5%...
£28.76
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Sealey HSS Cobalt Drill Bits 13mm Pack of 5 - Part No. DB130CB
Sealey HSS Cobalt Drill Bits 13mm Pack of 5 - Part No. DB130CB, Home, Furniture & DIY > DIY Tools & Workshop Equipment > Power Tool & Air Tool Accessories > Drill Bits
£52.13
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eBay - aceparts_uk
Sealey HSS Cobalt Fully Ground Drill Bit Assortment 170pc Ø1-10mm DBS170CB
Sealey DBS170CB HSS Cobalt Fully Ground Drill Bit Set 170pc1-10mm • Fully ground HSS Cobalt drill bits manufactured to DIN338. • 5% Cobalt...
£244.36
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Cobalt Drill Bit Set 4Pc Center Drill Bits, SelfCentering, 30mm Core Drill For Precise Woodworking
A efficiency drill and tap tool built for wooden window and door applications. It combines strength, precision and ease of use in one compact tool.
£62.60
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M35 Cobalt Titanium Spiral Flute Step Drill Bit Set MNACMMASS
M35 cobalt high speed steel greatly enhances hardness for hard metal cutting work Uniform titanium coating upgrades abrasion resistance and extends drill service life Spiral flute design quickly removes metal shavings to avoid drill clogging while drilling Standard hex shank fits most electric drills for stable clamping during processing 4mm to 32mm metric sizes meet diverse hole expansion demands of different workpieces
£64.26
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Amazon Marketplace - Dongyuan County Hanwei E-Commerce Co., Ltd.
1/3PCS HSS Cobalt Step Drill Bit Set BPVYPYPAG-3PCSNOBOX
Available as a single piece or 3-piece set, covering sizes from 4mm to 32mm for multiple hole diameters. Made from high-speed steel (HSS) with cobalt and nitrogen surface treatment for improved durability. Spiral flute design ensures efficient chip removal and smoother cutting in demanding applications. Triangle shank provides better grip and reduces slippage in standard drill chucks. Optimized for clean, precise drilling in metal, stainless steel, aluminum, and other hard materials.
£70.07
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Amazon Marketplace - Shenzhen Aoxikang E-commerce Co., Ltd.
Sealey HSS Cobalt Fully Ground Drill Bit Ø12.5mm Pack of 5 DB125CB
Sealey DB125CB HSS Cobalt Fully Ground Drill Bit 12.5mm Pack of5 • Fully ground HSS Cobalt drill bits manufactured to DIN338. • 5% Cobalt...
£50.54
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1 Piece 5 mm 14 mm x 500 mm Cobalt M35 Long Twist Drill Bit for Stainless Steel and Cast Steel (13 mm 1 Piece) 13mm 1pc
1. This is a cobalt M35 long twist drill bit with a size range of 5 mm 14 mm and a length of 500 mm, suitable for stainless steel and cast steel. 2.
£197.92
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Century Drill and Tool 26121 Cobalt High Speed Steel Drill Bit Set, 21-Piece B009C7ETJK
Designed for drilling in extremely hard materials including stainless steel Cobalt drill bits have a great resistance to heat and friction providing a longer tool life No center punch needed Manufactured to Aerospace NAS 907-J specifications Made in the USA, Weight: 0.02 pounds, Manufacturer: Century Drill & Tool Corp
£60.45
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8% Cobalt TiN Drill Bit BZECTZAYI-12.5MM
Made of 8% high cobalt steel, excellent heat resistance for hard metal drilling TiN titanium nitride coated surface improves hardness and wear resistance Standard DIN338 industrial specification with precise dimensional tolerance Optimized spiral flute design for smooth chip evacuation without clogging Sizes 1mm-13mm, ideal for stainless steel, alloy steel and iron machining
£64.67
Shipping: Free
Amazon Marketplace - 闻莱商贸
5Pcs HSS Cobalt Titanium Step Drill Bit Set MNACMMCEL
This set includes five HSS cobalt titanium conical step drill bits for processing Offers fifty different hole sizes to match various hole expansion construction tasks Integrated conical cutting structure helps form smooth round holes on plates Composite cobalt titanium material improves cutting performance on hard metals Universal perforator tool suitable for daily maintenance and workshop machining
£54.92
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Amazon Marketplace - Dongyuan County Hanwei E-Commerce Co., Ltd.
Faithfull FAIPP550COB Professional Cobalt Jobber Drill Bit Pre Packed 5.5mm Pack of 2
Faithfull FAIPP550COB Professional Cobalt Jobber Drill Bit PrePacked 5.5mm Pack of 2 These Faithfull Professional Cobalt Jobber Drill Bits...
£9.71
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Bosch 2609255109 Metal Drill Bits B0071NAQOO
As a leading manufacturer for power tools accessories, Bosch offers the ideal accessories for virtually all applications It is our aim to develop appropriate accessories for more efficient working The research and development departments at Bosch work to develop and optimise accessories in line with the needs of users, Manufacturer: Bosch
£10.82
Shipping: £4.49
Amazon
Faithfull Professional Cobalt Jobber Drill Bit Pre Packed 11.50mm FAIPP1150COB
Professional Cobalt Jobber Drill Bit Pre Packed 11.5mm, Weight: 5.51 pounds, Manufacturer: Faithful
£14.98
Shipping: £4.49
Amazon
Dewalt DT4926 Metal Drill Bit HSS-Co 4 2X75X43 MM, Pack of 10, 6) B01EWNMECM
Performance, robustness, reliability Tough and long-lasting Developed for the most extreme challenges and meet the highest demands Model number: DT4926, Manufacturer: AmazonUk/3K3AF
£27.14
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Century Drill and Tool 26713 Cobalt High Speed Steel Drill Bit Set, 13-Piece B009C7ETKO
Set includes 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32". cm, 15/64" and 1/4" Jobber length cobalt drill bit. Set includes 1/16" to 1/4" in 1/64" increments. Century Pro Grade drill bits are made of M35 cobalt alloy high speed steel. Lasts up to 12 times longer than the average high speed steel drill. 135 quick cut point penetrates faster and will not run or wander at the output surface. Requires no punch or pilot drill. Cobalt alloy high speed steel is extremely heat resistant. Resists wear when cutting carbide Polished finish ensures excellent chip ejection. Recommended for cutting stainless steel, high alloy steel, mild steel and cast iron. Always use cutting oil when drilling metal. Made in the USA., Weight: 0.7 pounds, Manufacturer: Century Drill & Tool Corp
£19.21
Shipping: £4.49
Amazon
Metal Step Drill Bit Set For Metal High-Speed Steel Spiral Drill Bits For Drilling Aluminum And Stainless Steel Blue
1. Durable and economical: Optimized wear resistance through HSS steel significantly increases drill bit durability, reduces frequent replacement,
£79.74
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Faithfull FAIPP1150COB Professional Cobalt Jobber Drill Bit Pre Packed 11.50mm
Faithfull FAIPP1150COB Professional Cobalt Jobber Drill Bit PrePacked 11.50mm These Faithfull Professional Cobalt Jobber Drill Bits...
£15.86
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Drill America DWDCO6P12#6 Cobalt Drill Bit (Pack of 12), DWDCO Series 1-4145-B00FXHE0EW-____________
Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools Round shanks allow use with a wide variety of toolholding systems When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging Ideal for drilling in tough, high tensile strength materials
£37.25
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IRWIN HSS Cobalt Drill Bit Set, 15 Piece in Brown M5054905247836
IRWIN HSS Cobalt Drill Bits are perfect for drilling stainless steel and other high alloys. Their 135 split point grinding ensures perfect centring and reduced drilling pressure. An industrial quality ground flute ensures high accuracy drilling and fast removal of chips. The drill bit body is manufactured from high-quality HSS steel containing 5% cobalt (Co). The added 5% cobalt improves the red hardness (heat resistance) of the drill bit and results in significantly extended life. It has an attractive golden tempered surface finish. This 15 Piece Set contains the following sizes: 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 8, 9, 10mm. | IRWIN HSS Cobalt Drill Bit Set, 15 Piece in Brown
£72.12
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Debenhams UK
Faithfull Professional Cobalt Jobber Drill Bit Pre Packed (2) 5.5mm FAIPP550COB
Professional Cobalt Jobber Drill Bit Pre Packed (2) 5.5mm, Weight: 0.0661386786 Pounds, Manufacturer: Faithful
£11.53
Shipping: £4.49
Amazon
Dewalt Power Tools Extreme 2 Metal Drill Bits
The DEWALT Extreme 2 Metal Drill Bit is suitable for portable or stationary drilling of steel, alloyed and non-alloyed, up to 900N/mm. Particularly...
£59.91
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M2 Cobalt HSS Titanium Step Drill Bit Hex Shank Tool MNACMMCEG
Constructed with M2 cobalt HSS base to deliver outstanding wear resistance performance Covered with uniform titanium coating to lower friction during continuous cutting Feature standard 1/4 inch shank for quick mounting on most impact drill devices Cover aperture range from 7/8 inch to 1-3/8 inch to meet diverse expansion demands Fit various metal processing projects with stable cutting and long service lifespan
£68.94
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Amazon Marketplace - Dongyuan County Hanwei E-Commerce Co., Ltd.
Connect HSS Cobalt Drill Bits 12.5mm 5pc 35146
Connect HSS Cobalt Drill Bits 12.5mm 5pc 35146, Home, Furniture & DIY > DIY Tools & Workshop Equipment > Hand Tools > Other Hand Tools
£111.12
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eBay - topratedtools
IRWIN Drill Bit Set M35 Cobalt Alloy Steel Steel 29-Piece (3018002)
Product DescriptionIdeal for drilling in tough metal including heavy-duty abrasive alloy metal drilling on hardened steel. Made from industrial...
£210.86
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Connect HSS Cobalt Drill Bits 10.5mm 5pc 35142
Connect HSS Cobalt Drill Bits 10.5mm 5pc 35142, Home, Furniture & DIY > DIY Tools & Workshop Equipment > Hand Tools > Other Hand Tools
£73.82
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eBay - topratedtools
fischer 543330 Cobalt Drill Bits (25 Pieces), Grey, Set of Pieces B08L5897X7
Main advantages: Fischer Hss-Co drill bits are perfect for drilling in hard metals such as Inox. Being milled can be re-sharpened increasing its service life, plus the cobalt alloy and the 135 degree angle on the tip also make the drill bit more durable. How to use: We put the drill bit into the drill, make sure the striker is disabled, lower the machine revolutions and cool for best results while drilling. Applications: This product is designed to drill hard metals such as stainless steel. Sustainability: Fischer stands for the production and distribution of sustainable products, taking care of the highest demands in terms of sustainability. Box contents: 25 fischer HSS-Co drill bits, Weight: 3.2187490252 Pounds, Manufacturer: fischer
£69.71
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Amazon
5Pcs HSS 4241 Cobalt Step Drill Bit Set MNACMMCGE
Made of HSS 4241 cobalt material for stable drilling performance Offers up to 50 different hole sizes to meet various machining demands Equipped with an aluminum case to organize all drill bits tidily Cone bit structure creates clean round holes on metal and wood Widely used as daily drilling tools for workshop and home projects
£62.53
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Amazon Marketplace - Dongyuan County Hanwei E-Commerce Co., Ltd.
DRILL AMERICA 1/16-1/2x64THS COBALT SET IN PLASTIC CASE D/A29J-CO-PC
...
£252.05
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Faithfull Professional Cobalt Jobber Drill Bit Pre Packed 12.0mm FAIPP1200COB
These Faithfull Professional Cobalt Jobber Drill Bits are supplied pre packed with the following specification: Diameter: 12.0mm. Overall Length:...
£17.01
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Drill America 15.50mm Reduced Shank Cobalt Drill Bit with 1/2" Shank, D/AMMCO Series SF-DINAN-32852617251
Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools Round shanks allow use with a wide variety of toolholding systems When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging Manufactured to National Aerospace standard 907
£70.51
Shipping: Free
Amazon Marketplace - Tony's✯Diamond
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