Reviews Cobalt Twist Drill Bit Set

uxcell 10mm Drilling Dia 130mm Length M35 HSS Cobalt Round Shank Twist Drill Bit 2pcs

Sipery 10Pcs M35 Cobalt HSS Twist Drill Bits 3mm with Straight Shank, Drilling for Stainless Steel, Copper, Aluminum Alloy and Softer Materials

• Specification - 10Pcs 3mm cobalt drill bits, each kit contains a total of ten drill bits in the same size, Blade length: 33mm/1.3inch, 135 degree point, straight shank..
• Material - HSS Cobalt high speed steel for super abrasive resistance in tough metals, improve much higher heat resistance because of cobalt steel's high red hardness..
• Durable - HSS Cobalt Drill Bit provide strong durable performance compared to typical hss drill bits..
• Easy to Carry - The twist drill bits are housed in plastic case for easy storage, easy to carry out homework..
• Multi-purpose Use - HSS Drill Bits are successful in cutting hard metals such as stainless steel, copper, aluminum alloy, and also can be used for softer materials..

Sipery 10Pcs M35 Cobalt HSS Twist Drill Bits 4mm with Straight Shank, Drilling for Stainless Steel, Copper, Aluminum Alloy and Softer Materials

• Specification – 10Pcs 4mm cobalt drill bits, each kit contains a total of ten drill bits in the same size, Blade length: 43mm/1.7inch, 118 degree point, straight shank..
• Material – HSS Cobalt high speed steel for super abrasive resistance in tough metals, improve much higher heat resistance because of cobalt steel’s high red hardness..
• Durable – HSS Cobalt Drill Bit provide strong durable performance compared to typical hss drill bits..
• Easy to Carry – The twist drill bits are housed in plastic case for easy storage, easy to carry out homework..
• Multi-purpose Use – HSS Drill Bits are successful in cutting hard metals such as stainless steel, copper, aluminum alloy, and also can be used for softer materials..

GMTOOLS 13Pcs Cobalt Drill Bits Set, M35 High Speed Steel, 135 Degree Tip, Twist Jobber Length Drill Bit Kit for Hardened Metal, Cast Iron, Stainless Steel, Plastic and Wood with Storage Case 1/16″-1/4″

• Perfect Drill Bits: Precision grinding process for a clean surface and high grinding accuracy. Universal round drill shank, widely applicable of tool holding systems and tightly clamped.
• 135° Split Point & Twist Design: The 135 degree fast cutting point is automatically centered and penetrates quickly with less pressure, reducing walking, fully ground drill bit with sharp and durable cutting edge. Twist design for clear chips faster.
• Enhanced M35 Alloy Material: These drill bits contain 5% Cobalt, which increases wear resistance and durability. Industry grade 6542 high speed steel drill bit set, harder than 4241 HSS used in other similar drill bits set..
• Set includes: 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 11/64, 3/16, 13/64, 7/32, 15/64 and 1/4 inch bits.
• Comes in plastic storage case for easy storage.
• QUALITY COMMITMENT: If for any reason you are not satisfied with your purchase, please contact us. We provide 30-day money back. 100% Satisfaction Guarantee for risk-free shopping!.

Lichamp 1/4' HSS Cobalt Drill Bits 10PCS with Three Flute for Hard Metal, Hardened Stainless Steel and Cast Iron

• UNIQUE 3X FLUTE DESIGN - Lichamp three flute patent design drill bit clears chips and particles faster, provide you with more efficient drilling experience..
• 4X LIFESPAN MATERIAL - Made from industrial grade M35 high-speed steel with 5% cobalt provides hardness for wear resistance, withstands max 1100 degreeF..
• MULTIPLE APPLICATION - Ideal for drilling in heavy-duty tough metal, including hard abrasive alloy metal, hardened stainless steel or cast iron..
• SMOOTHLY DRILLING - 135-degree split point tip & twist design increases cutting speed with self-centering and prevents skating starts or walking..
• 1/4" COBALT DRILL BIT - Round straight shanks, include 10 pack 1/4-inch diameter hss drill bit with well organized clear ps case..

Lichamp 3/8' HSS Cobalt Drill Bits 5PCS with Three Flute for Hard Metal, Hardened Stainless Steel and Cast Iron

• UNIQUE 3X FLUTE DESIGN - Lichamp three flute patent design drill bit clears chips and particles faster, provide you with more efficient drilling experience..
• 4X LIFESPAN MATERIAL - Made from industrial grade M35 high-speed steel with 5% cobalt provides hardness for wear resistance, withstands max 1100 degreeF..
• MULTIPLE APPLICATION - Ideal for drilling in heavy-duty tough metal, including hard abrasive alloy metal, hardened stainless steel or cast iron..
• SMOOTHLY DRILLING - 135-degree split point tip & twist design increases cutting speed with self-centering and prevents skating starts or walking..
• 3/8" COBALT DRILL BIT - Round straight shanks, include 5 pack 3/8-inch diameter hss drill bit with well organized clear ps case..

XEWEA 35-Pieces Screw & Bolt Extractor Set and Drill Bit Kit, Easy Out Broken Lug Nut Extraction Socket Set

• 35-PIECE Extractor/Drill Bit Set: 13pcs most commonly used multi-spline screw extractors,and 16pcs tough left hand cobalt drill bits,6pcs spiral screw extractors..
• HSS with Titanium Nitride Coating Drill Bit:135 degree split point and twist design increases cutting speed with self-centering and prevents walking, clears chips and particles faster.NOTE: Cobalt drill bits should not be used for stainless steel..
• Special Left Hand Design Dill Bit:Creates extra gripping power Unique design for use with screw extractors to remove broken Removes broken studs, bolts, socket screws, and fittings.Include 5/64",7/64",1/8",5/32",3/16",7/32",1/4",9/32",19/64",5/16",11/32",3/8",13/32",7/16",15/32",1/2"..
• CRMO Material Damaged Screw Extractor:Our screw extractor is made of high quality higher quality chrome molybdenum steel(CR-MO). High hardness good toughness, higher strength than chrome vanadium steel.Easy out style spiral flutes embed themselves to increase grip as resistance increases.Multi-spline extractors in sizes: 1/8", 5/32", 3/16", 7/3....

Lichamp 1/8" HSS Cobalt Drill Bits 10PCS with Three Flute for Hard Metal, Hardened Stainless Steel and Cast Iron

• UNIQUE 3X FLUTE DESIGN - Lichamp three flute patent design drill bit clears chips and particles faster, provide you with more efficient drilling experience..
• 4X LIFESPAN MATERIAL - Made from industrial grade M35 high-speed steel with 5% cobalt provides hardness for wear resistance, withstands max 1100 degreeF..
• MULTIPLE APPLICATION - Ideal for drilling in heavy-duty tough metal, including hard abrasive alloy metal, hardened stainless steel or cast iron..
• SMOOTHLY DRILLING - 135-degree split point tip & twist design increases cutting speed with self-centering and prevents skating starts or walking..
• 1/8" COBALT DRILL BIT - Round straight shanks, include 10 pack 1/8-inch diameter hss drill bit with well organized clear ps case..

Lichamp 1/2" HSS Cobalt Drill Bits 5PCS with Three Flute for Hard Metal, Hardened Stainless Steel and Cast Iron

• UNIQUE 3X FLUTE DESIGN - Lichamp three flute patent design drill bit clears chips and particles faster, provide you with more efficient drilling experience..
• 4X LIFESPAN MATERIAL - Made from industrial grade M35 high-speed steel with 5% cobalt provides hardness for wear resistance, withstands max 1100 degreeF..
• MULTIPLE APPLICATION - Ideal for drilling in heavy-duty tough metal, including hard abrasive alloy metal, hardened stainless steel or cast iron..
• SMOOTHLY DRILLING - 135-degree split point tip & twist design increases cutting speed with self-centering and prevents skating starts or walking..
• 1/2" COBALT DRILL BIT - Round straight shanks, include 5 pack 1/2-inch diameter hss drill bit with well organized clear ps case..