22 Best and Coolest Cobalt Twist Drill Bits for 2020

 

DRILLFORCE 5PCS1132 Inch HSS General Purpose Heavy Duty Jobber Cobalt Twist Drill Bitsideal for drilling on mild steel copper Aluminum Zinc alloy etc #ad

DRILLFORCE 5PCS,11/32″ Inch HSS General Purpose Heavy Duty Jobber Cobalt Twist Drill Bits,ideal for drilling on mild steel, copper, Aluminum, Zinc alloy etc.

DRILLFORCE 5PCS,11/32″ Inch HSS General Purpose Heavy Duty Jobber Cobalt Twist Drill Bits,ideal for drilling on mild steel, copper, Aluminum, Zinc alloy etc. #ad - Ideal for drilling in tough metal, including heavy-duty abrasive alloy metal drilling on hardened steel. Drillforce 5pcs,11/32″ inch hss jobber cobalt twist drill bits,ideal for drilling on mild steel, copper, aluminum, zinc alloy etc. High quality material- high speed steel cobalt -m 35 cobalt steel best material. 135-degree split-point tip starts drilling immediately with less force and eliminates “walking” across the work surface. High efficiency in drilling metals, and stainless steel.

 

Milwaukee 48-89-1730 964-Inch Cobalt Twist Drill Bit #ad

Milwaukee 48-89-1730 9/64-Inch Cobalt Twist Drill Bit

Milwaukee 48-89-1730 9/64-Inch Cobalt Twist Drill Bit #ad - Abrasive and heat resistant heavy-duty 135 degree split point for easy starting on hard materials. Cobalt, drills easily through tough alloys. 9/64 in diameter, jobbers length.

 

DRILLFORCE 5PCS 38 Inch HSS General Purpose Heavy Duty Jobber Cobalt Twist Drill Bitsideal for drilling on mild steel copper Aluminum Zinc alloy etc #ad

DRILLFORCE 5PCS 3/8″ Inch HSS General Purpose Heavy Duty Jobber Cobalt Twist Drill Bits,ideal for drilling on mild steel, copper, Aluminum, Zinc alloy etc.

DRILLFORCE 5PCS 3/8″ Inch HSS General Purpose Heavy Duty Jobber Cobalt Twist Drill Bits,ideal for drilling on mild steel, copper, Aluminum, Zinc alloy etc. #ad - High quality material- high speed steel cobalt -m 35 cobalt steel best material. Ideal for drilling in tough metal, including heavy-duty abrasive alloy metal drilling on hardened steel. High efficiency in drilling metals, and stainless steel. 135-degree split-point tip starts drilling immediately with less force and eliminates “walking” across the work surface. Drillforce 5pcs 3/8″ inch hss jobber cobalt twist drill bits,ideal for drilling on mild steel, copper, aluminum, zinc alloy etc.

 

WCHAOEN 50pcs 1152253mm HSS M35 Cobalt Twist Drill Bit Accessories Tool #ad

WCHAOEN 50pcs 1/1.5/2/2.5/3mm HSS M35 Cobalt Twist Drill Bit Accessories Tool

WCHAOEN 50pcs 1/1.5/2/2.5/3mm HSS M35 Cobalt Twist Drill Bit Accessories Tool #ad - 5mm10pcs3mm10pcsfeatures1. Difficult to machine the workpiece can be processed stainless steel, tool steel, through heat treatment,6. 3. 5mm(10pcs), 2mm(10pcs), 2. 5mm10pcs2mm10pcs2. 5. 4. 135 degree split point tip. 2. Hss-co drill bit set for high tensile steels such as stainless steel. Can be used radial drill, bench drill or hand drill chuck for drilling operations. Alloyed with cobalt to improve heat resistance which will perform and outlast normal hss bits particularly if your work involves drilling tough metals. Package included50 x m35 twist drillmore details. 5/3mm hss m35 cobalt twist drill bitspecificationbrandmaterial hss m35 cobaltsize 1mm(10pcs), 1. Suitable for luminum, wood, malleable and deep hole drilling positioning holes iron. 7. Description50pcs 1/1. M35 cobalt high speed steel to obtain high hardness, high wear resistance and high toughness. Handheld and stationary use (in drill press). 5/2/2. 5mm(10pcs), 3mm(10pcs)type twist drill bitsizediameterquantity1mm10pcs1.

 

Milwaukee 48-89-1825 Thunderbolt 716-Inch Cobalt Twist Drill Bit #ad

Milwaukee 48-89-1825 Thunderbolt 7/16-Inch Cobalt Twist Drill Bit

Milwaukee 48-89-1825 Thunderbolt 7/16-Inch Cobalt Twist Drill Bit #ad - Abrasive and heat resistant heavy-duty 135 degree split point for easy starting on hard materials. 7/16 in diameter, jobbers length. Cobalt, drills easily through tough alloys.

 

M35 Stainless Steel Hole Metal Steel Drill Full Grinding Cobalt Twist Drill Bit Aluminum Alloy Reaming Punch #ad

M35 Stainless Steel Hole Metal Steel Drill Full Grinding Cobalt Twist Drill Bit Aluminum Alloy Reaming Punch

M35 Stainless Steel Hole Metal Steel Drill Full Grinding Cobalt Twist Drill Bit Aluminum Alloy Reaming Punch #ad - The head has a special sharpening edge and high hardness it has excellent processing properties when drilling workpiece materials. Deepen the chip evacuation and smooth chip removal, improve the working efficiency of the drill bit. Round handle chamfer design, convenient for ordinary hand drills, bench drills, etc. M35 full grinding cobalt twist drill. M35hss5%co, higher hardness than ordinary materials, more wear-resistant for drilling stainless steel and other high hardness metals.

 

Vermont American 12638 15 Piece 116-Inch to 12-Inch Cobalt Twist Drill Bit Assortment in Metal Index #ad

Vermont American 12638 15 Piece 1/16-Inch to 1/2-Inch Cobalt Twist Drill Bit Assortment in Metal Index

Vermont American 12638 15 Piece 1/16-Inch to 1/2-Inch Cobalt Twist Drill Bit Assortment in Metal Index #ad - Ideal for contractors, maintenance, machine shops and garages. Cobalt drill bits offer the best heat resistance for drilling in extremely hard and abrasive materials including stainless steel, titanium and cast iron. Bit sizes smaller than 1/8″ have 118 standard point. The 135 split point ensures a fast start with no walking or skating. Lifetime replacement policy.

 

Milwaukee 48-89-1790 2164-Inch Cobalt Twist Drill Bit #ad

Milwaukee 48-89-1790 21/64-Inch Cobalt Twist Drill Bit

Milwaukee 48-89-1790 21/64-Inch Cobalt Twist Drill Bit #ad - Cobalt, drills easily through tough alloys. 21/64 in diameter, jobbers length. Abrasive and heat resistant heavy-duty 135 degree split point for easy starting on hard materials.

 

5 Piece Left Hand Cobalt 564-Inch to 1964-Inch Cobalt Twist Drill Bit #ad

5 Piece Left Hand Cobalt 5/64-Inch to 19/64-Inch Cobalt Twist Drill Bit

5 Piece Left Hand Cobalt 5/64-Inch to 19/64-Inch Cobalt Twist Drill Bit #ad - 135° split point reduces feed pressure for easier penetration without work hardening. Includes 5/64-inch, 7/64-inch, 5/32-inch and 19/64-inch 135 degree split point. Shorter cutting lips reduce torque for drilling in high-tensile-strength materials. Each drill bit has a heavy-duty spiral flute design that produces fast chip ejection. Drill bits made of m-42 8% cobalt high-speed steel for super abrasive resistance in tough metals.

 

Industrial Cobalt Drill Bit Set 13pcs M35 High Speed Steel Metric Twist Drill Bit Drilling Tool for Hardened Metal Stainless Steel Cast Iron #ad

Industrial Cobalt Drill Bit Set, 13pcs M35 High Speed Steel Metric Twist Drill Bit Drilling Tool for Hardened Metal, Stainless Steel, Cast Iron

Industrial Cobalt Drill Bit Set, 13pcs M35 High Speed Steel Metric Twist Drill Bit Drilling Tool for Hardened Metal, Stainless Steel, Cast Iron #ad - 1 industrial grade hss twist drill bit contain high speed steel 95% cobalt 5%, the hardness can reach hrc 64-66, wear resistance higher than normal drill bits. 5 these are very sharp drill bits also can use for making pilot holes preparing for the use of a larger bit or just creating a dimple to accurately center a larger bit such that it doesn’t “crawl “. 4 great drill bits for drilling steel plate, please be sure slow drill down and recomend alternated between cutting oil and 40 weight oil for cooling. 2 precise 135° split point design is more easily self-centering and more quick penetrate with less pressure will not “slide” or “crawl ” . 3 work for most hard material, for instance steel, stainless steel ,iron ,cast iron, copper, alloy, aluminum, plastic, but not for hardened steel , high carbon steel, glasses and ceramic.

 

10pcs M35 14 Inch Shank Triangle Shank Cobalt Twist Drill Bits - Drill Bits Twist Drill Bit - 10 x Twist Drill #ad

10pcs M35 1/4 Inch Shank Triangle Shank Cobalt Twist Drill Bits – Drill Bits Twist Drill Bit – 10 x Twist Drill

10pcs M35 1/4 Inch Shank Triangle Shank Cobalt Twist Drill Bits – Drill Bits Twist Drill Bit – 10 x Twist Drill #ad - Package included 10 x twist drill more details. Triangle shank which is more solid. 35mm)  length 100mm size of box 4420103mm quantity a box of 10pcs  features made of cobalt,  rigid and durable. 10pcs m35 1/4 inch shank triangle shank cobalt twist drill bits, drill bits twist drill bit, 10 x twist drill, more details , description 10pcs m35 1/4 inch shank triangle shank cobalt twist drill bits specification type m35 twist drill material cobalt type of shank triangle shank diameter 1/4″ (6.

 

XIANSHI 15Pcs High Speed Steel M35 HSS Cobalt Twist Drill Bit Set 15-10mm Power Tools #ad

XIANSHI 15Pcs High Speed Steel M35 HSS Cobalt Twist Drill Bit Set 1.5-10mm Power Tools

XIANSHI 15Pcs High Speed Steel M35 HSS Cobalt Twist Drill Bit Set 1.5-10mm Power Tools #ad - Alloyed with 5% cobalt to improve heat resistance which will perform and outlast normal hss bits particularly if your work involves drilling tough metals. Hss-co drill bit set for high tensile steels such as stainless steel. Size 15mm, 2mm, 25mm, 3mm, 35mm, 4mm, 45mm, 5mm, 55mm, 6mm, 65mm, 7mm, 8mm, 9mm, 10mm. Handheld and stationary use (in drill press). 100% brand new and high quality.

 

50PCS Cobalt Drill Bit Set 116 564 332 764 18 HSS M35 Twist Bits #ad

50PCS Cobalt Drill Bit Set (1/16″, 5/64″, 3/32″, 7/64″, 1/8″) HSS M35 Twist Bits

50PCS Cobalt Drill Bit Set (1/16″, 5/64″, 3/32″, 7/64″, 1/8″) HSS M35 Twist Bits #ad - 118 tip & twist design increases cutting speed with self-centering and prevents walking, clears chips and particles faster. Cobalt drill bits classic 5% cobalt m35 high speed steel construction with titanium coating for proven capability and durability. 50 pcs & 5 sizes1/16″(10pcs),5/64″(10pcs),3/32″(10pcs),7/64″(10pcs),1/8″(10pcs). Professional & diy use for use on metal, wood & plastics, stainless steel, not for use on concrete / masonry perfect match for workshop or service vehicles. Hardness 5% cobalt drill bits’ rock wall hardness level hrc 65-66.

 

erDouckan Drill Bit Tool Sets  Perfect for Family Working  8Pcs High Speed Steel HSS Cobalt Twist Drill Bit Power Drilling Rotating Tools - 8pcs #ad

erDouckan Drill Bit Tool Sets | Perfect for Family Working | 8Pcs High Speed Steel HSS Cobalt Twist Drill Bit Power Drilling Rotating Tools – 8pcs

erDouckan Drill Bit Tool Sets | Perfect for Family Working | 8Pcs High Speed Steel HSS Cobalt Twist Drill Bit Power Drilling Rotating Tools – 8pcs #ad - 3″, 0. 8cm x 21cm/0. 8cm x 16cm/0. Package includes8 x drill bit. 2″ x 4. 31″ x 6. 6cm x 11cm/0. 31″ x 8. 6cm x 16cm/0. 24″ x 6. Good wear resistance. )Notesdue to the light and screen setting difference, the item’s color may be slightly different from the pictures. 5cm x 11cm/0. 24″ x 4. Specifications can be used for punching, such as metal, plastic, aluminium and wood. Item name drill bitmaterial yg8c alloy, 40cr steelfeatures high speed, hard, drilling toolssize 0. Please allow slight dimension difference due to different manual measurement. Convenient to drilling, simple to use, safe and reliable. 3″, 0. High working efficiency, perfect punching effect and long using life. 27″ (approx. 33″, 0. 33″, 0.

 

50pcs 1152253mm M35 Cobalt Twist - Drill Bits Twist Drill Bit -50 x M35 twist drill #ad

50pcs 1/1.5/2/2.5/3mm M35 Cobalt Twist – Drill Bits Twist Drill Bit -50 x M35 twist drill

50pcs 1/1.5/2/2.5/3mm M35 Cobalt Twist – Drill Bits Twist Drill Bit -50 x M35 twist drill #ad - 50pcs 1/15/2/25/3mm m35 cobalt twist, drill bits twist drill bit -50 x m35 twist drill. Size 1mm(10pcs), 15mm(10pcs), 2mm(10pcs), 25mm(10pcs), 3mm(10pcs). Type twist drill bit. Drill bits twist drill bit, material m35 cobalt. Handheld and stationary use (in drill press).

 

DRILLFORCE 5PCS 2764 Inch HSS General Purpose Heavy Duty Jobber Cobalt Twist Drill Bitsideal for drilling on mild steel copper Aluminum Zinc alloy etc #ad

DRILLFORCE 5PCS 27/64″ Inch HSS General Purpose Heavy Duty Jobber Cobalt Twist Drill Bits,ideal for drilling on mild steel, copper, Aluminum, Zinc alloy etc.

DRILLFORCE 5PCS 27/64″ Inch HSS General Purpose Heavy Duty Jobber Cobalt Twist Drill Bits,ideal for drilling on mild steel, copper, Aluminum, Zinc alloy etc. #ad - Cobalt drill bits classic 5% cobalt m35 high speed steel construction with titanium coating for proven capability and durability. Hardness 5% cobalt drill bits’ rock wall hardness level hrc 65-66. 135 tip & twist design increases cutting speed with self-centering and prevents walking, clears chips and particles faster. Professional & diy use for use on metal, wood & plastics, stainless steel, not for use on concrete / masonry perfect match for workshop or service vehicles. Package & size 5 pieces drill bits in a plastic bag, diameter 27/64 inch, total length 5-3/8 inch, working length 3-15/16 inch.

 

Misright 15Pcs HSS M35 HSS Cobalt Twist Drill Bit Set Straight Shank Rotary Tool 15-10mm For Glass Soft Metal Tile Stone #ad

Misright 15Pcs HSS M35 HSS Cobalt Twist Drill Bit Set Straight Shank Rotary Tool 1.5-10mm For Glass Soft Metal Tile Stone

Misright 15Pcs HSS M35 HSS Cobalt Twist Drill Bit Set Straight Shank Rotary Tool 1.5-10mm For Glass Soft Metal Tile Stone #ad - ❈dsize 15mm, 2mm, 25mm, 3mm, 35mm, 4mm, 45mm, 5mm, 55mm, 6mm, 65mm, 7mm, 8mm, 9mm, 10mm. ❈Handheld and stationary use (in drill press). ❈It can also be used for many other uses and it is really useful and practical. ❈Hss-co drill bit set for high tensile steels such as stainless steel. ❈Alloyed with 5% cobalt to improve heat resistance which will perform and outlast normal hss bits particularly if your work involves drilling tough metals.

 

Zebery 25pcs 1-13mm HSS M35 Cobalt Twist Drill Bit Set for Metal Wood Drilling #ad

Zebery 25pcs 1-13mm HSS M35 Cobalt Twist Drill Bit Set for Metal Wood Drilling

Zebery 25pcs 1-13mm HSS M35 Cobalt Twist Drill Bit Set for Metal Wood Drilling #ad - M35 cobalt high speed steel to obtain high hardness, high wear resistance and high toughness. Can be used radial drill, bench drill or hand drill chuck for drilling operations. Alloyed with cobalt to improve heat resistance which will perform and outlast normal hss bits particularly if your work involves drilling tough metals. Handheld and stationary use (in drill press), 135 degree split point tip. Hss-co drill bit set for high tensile steels such as stainless steeldifficult to machine the workpiece can be processed stainless steel, tool steel, through heat treatment.

 

DRILLFORCE 5PCS2164 Inch HSS Jobber Cobalt Twist Drill Bitsideal for drilling on mild steel copper Aluminum Zinc alloy etc #ad

DRILLFORCE 5PCS,21/64″ Inch HSS Jobber Cobalt Twist Drill Bits,ideal for drilling on mild steel, copper, Aluminum, Zinc alloy etc.

DRILLFORCE 5PCS,21/64″ Inch HSS Jobber Cobalt Twist Drill Bits,ideal for drilling on mild steel, copper, Aluminum, Zinc alloy etc. #ad - High quality material- high speed steel cobalt -m 35 cobalt steel best material. Ideal for drilling in tough metal, including heavy-duty abrasive alloy metal drilling on hardened steel. High efficiency in drilling metals, and stainless steel. 135-degree split-point tip starts drilling immediately with less force and eliminates “walking” across the work surface. Drillforce 5pcs,21/64″ inch hss jobber cobalt twist drill bits,ideal for drilling on mild steel, copper, aluminum, zinc alloy etc.

 

DRILLFORCE 5PCS 3164 Inch HSS General Purpose Heavy Duty Jobber Cobalt Twist Drill Bitsideal for drilling on mild steel copper Aluminum Zinc alloy etc #ad

DRILLFORCE 5PCS 31/64″ Inch HSS General Purpose Heavy Duty Jobber Cobalt Twist Drill Bits,ideal for drilling on mild steel, copper, Aluminum, Zinc alloy etc.

DRILLFORCE 5PCS 31/64″ Inch HSS General Purpose Heavy Duty Jobber Cobalt Twist Drill Bits,ideal for drilling on mild steel, copper, Aluminum, Zinc alloy etc. #ad - Drillforce 5pcs 31/64″ inch hss jobber cobalt twist drill bits,ideal for drilling on mild steel, copper, aluminum, zinc alloy etc. High efficiency in drilling metals, and stainless steel. Ideal for drilling in tough metal, including heavy-duty abrasive alloy metal drilling on hardened steel. High quality material- high speed steel cobalt -m 35 cobalt steel best material. 135-degree split-point tip starts drilling immediately with less force and eliminates “walking” across the work surface.

 

10PCS 12 Inch HSS General Purpose Heavy Duty Jobber Cobalt Twist Drill Bitsideal for drilling on mild steel copper Aluminum Zinc alloy etc #ad

10PCS 1/2″ Inch HSS General Purpose Heavy Duty Jobber Cobalt Twist Drill Bits,ideal for drilling on mild steel, copper, Aluminum, Zinc alloy etc.

10PCS 1/2″ Inch HSS General Purpose Heavy Duty Jobber Cobalt Twist Drill Bits,ideal for drilling on mild steel, copper, Aluminum, Zinc alloy etc. #ad - Cobalt drill bits classic 5% cobalt m35 high speed steel construction with titanium coating for proven capability and durability. Package & size 10 pieces drill bits in a plastic bag, diameter 1/2 inch, total length 6 inch, working length 4-1/2 inch. Hardness 5% cobalt drill bits’ rock wall hardness level hrc 65-66. Professional & diy use for use on metal, wood & plastics, stainless steel, not for use on concrete / masonry perfect match for workshop or service vehicles. 135 tip & twist design increases cutting speed with self-centering and prevents walking, clears chips and particles faster.

 

10 Pcs Pack 116 HSS Cobalt Jobber Length Twist Drill Bits Metal Drill Bit 135 Deg Split Point Drilling Steel Meteal Iron #ad

10 Pcs Pack 1/16″ HSS Cobalt Jobber Length Twist Drill Bits Metal Drill Bit 135 Deg. Split Point Drilling Steel, Meteal, Iron.

10 Pcs Pack 1/16″ HSS Cobalt Jobber Length Twist Drill Bits Metal Drill Bit 135 Deg. Split Point Drilling Steel, Meteal, Iron. #ad - ● Diameter 1/16″ flute length 7/8″ overall length 1-7/8″ hss e hss co cobalt drill bits. ●M35 cobalt high speed steel for drilling steel, stainless steel, hard metal and iron. ●10pcs packed in a plastic bag for easy usage and store. ●135-degree split-point tip starts drilling immediately with less force and eliminates “walking” across the work surface. ●Ideal for drilling in tough metal, including heavy-duty abrasive alloy metal drilling on hardened steel.





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