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Cobalt Metal Drill Bits
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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
Shipping: Free
Amazon Marketplace - Dongyuan County Hanwei E-Commerce Co., Ltd.
Drill America 25.00mm Reduced Shank Cobalt Drill Bit with 1/2" Shank, D/AMMCO Series B0BTTQVJ27
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
£50.02
Shipping: £9.02
Amazon Marketplace - Amazon US
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
Shipping: Free
Amazon Marketplace - Dongyuan County Hanwei E-Commerce Co., Ltd.
Bosch Professional Bosch HSS-Co Cobalt Drill Bit 3.5mm Pack of 10 - 2608585879
Bosch HSS-Co Cobalt Drill Bit 3.5mm Pack of 10 - 2608585879, Home, Furniture & DIY > DIY Tools & Workshop Equipment > Power Tool & Air Tool Accessories > Drill Bits
£15.15
Shipping: Free
eBay - cw_tyzack
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
Shipping: Free
Amazon Marketplace - Tony's✯Diamond
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
Shipping: Free
Amazon Marketplace - Dongyuan County Hanwei E-Commerce Co., Ltd.
5Pcs 4241 Cobalt Cone Step Drill Bit for Drilling MNACMMCEJ-5PCSSETWITHBOX
Crafted from premium 4241 cobalt steel for stable cutting on hard metal sheets Feature layered cone structures to produce clean round holes during expansion work Handle drilling tasks on iron, aluminum, copper, steel and solid wood boards Boast smooth cutting flutes to clear metal debris quickly without drill jamming Serve as practical drilling accessories for workshop production and home repairs
£52.33
Shipping: Free
Amazon Marketplace - Dongyuan County Hanwei E-Commerce Co., Ltd.
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
Shipping: Free
eBay - aceparts_uk
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
Shipping: Free
Amazon Marketplace - QINWUHOME
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
Shipping: Free
Amazon Marketplace - 闻莱商贸
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
Shipping: Free
Amazon Marketplace - Tools By Post
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
£29.58
Shipping: Free
Amazon
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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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
Shipping: Free
Amazon
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
Shipping: Free
Amazon Marketplace - Shenzhen Aoxikang E-commerce Co., Ltd.
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
Shipping: Free
Amazon Marketplace - Dongyuan County Hanwei E-Commerce Co., Ltd.
Dewalt DT4964 Metal Drill Bit HSS-Co 9 5X125X78 MM – Pack of 6 R1-1ISB-E3X4
Unique centring point: precise drilling without bleeding, specially ground shoulder edges milling precise, circular holes with clean edges Core reinforcement: core diameter constantly increasing in the direction of the shaft for maximum breaking stability, especially in hands-free use Size marking: abrasion resistant, placed outside the clamping range, ensure a long-lasting good readability Non-slip shaft: 3 milled clamping surfaces prevent the drill from turning through in the chuck and ensure optimal power transmission Box contents: 1x metal drill Extreme HSS-Co, 9.5 x 125 x 78 mm, for use in drills (battery and cable), Weight: 0.13448197982 pounds, Manufacturer: Dewalt
£17.99
Shipping: £4.49
Amazon
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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DRILL AMERICA 1/16-1/2x64THS COBALT SET IN PLASTIC CASE D/A29J-CO-PC
...
£252.05
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OnBuy
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
Shipping: Free
Amazon
Faithfull Professional Cobalt Jobber Drill Bit Pre Packed 12.0mm FAIPP1200COB-THDPRIME
High performace for the home or tradesman Good product with excellent quality Lightweight construction at just 0.1 Kgs Ideal product, Weight: 0.220462262 Pounds, Manufacturer: Faithful
£16.01
Shipping: £4.49
Amazon
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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OnBuy
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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OnBuy
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
Shipping: Free
Amazon
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
Shipping: Free
eBay - topratedtools
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
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
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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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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OnBuy
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
Shipping: Free
OnBuy
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
Shipping: Free
OnBuy
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
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
Shipping: Free
eBay - topratedtools
Drill America - DWDCO29P12#29 Cobalt Drill Bit (Pack of 12), DWDCO Series SF-MEXIKADAN-38600447358
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
£17.66
Shipping: £4.49
Amazon
Drill America 20.50mm Reduced Shank Cobalt Drill Bit with 1/2" Shank, D/AMMCO Series SF-DINAN-32852617250
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
£80.50
Shipping: Free
Amazon Marketplace - Tony's✯Diamond
Dewalt DT4941 Metal Drill Bit HSS-Co 9 5X125X81 MM, Pack of 10, 6) B01EWNI5IO
Iron oxide alloy effectively protects against overheating Constantly increasing core diameter in the shaft direction for maximum breaking stability in free hand use Start immediately when setting - no more graining necessary, Weight: 0.355 pounds, Manufacturer: AmazonUk/3K3AF
£47.71
Shipping: Free
Amazon
Drill America 21.00mm Reduced Shank Cobalt Drill Bit with 1/2" Shank, D/AMMCO Series SF-DINAN-32852617274
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
£78.45
Shipping: Free
Amazon Marketplace - Tony's✯Diamond
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
Shipping: Free
OnBuy
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
Shipping: Free
eBay - topratedtools
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