Top 10 Best Drill Bit To Drill Through Stainless Steel 2023- The Honest Review

Features :

• COBALT STEEL – Manufactured from M35 cobalt steel, with molybdenum and cobalt added to creates a hardened alloy, measuring Rockwell hardness up to 67, extremely heat resistant; for much faster cutting and extra longer life span, with up to twelve times when compared with an average HSS drill bit.
• NO CENTER PUNCH NEEDED – The 135° Quick-Cut points are self-centering and penetrate quickly with less pressure. Will not “walk” or “wander”. Straight shank allows for firmly holding and accurate centering, fit for standard drill chucks and regular round collet chucks. Must be used and operated at proper RPMs for maximum efficiency
• 13PC METRIC BITS – The set includes 13pcs of M35 cobalt steel twist drill bits: 1.5mm, 2mm, 2.5mm, 3mm, 3.2mm, 3.5mm, 4mm, 4.5mm, 4.8mm, 5mm, 5.5mm, 6mm, 6.5mm. Well organized in a plastic indexed storage case for easy transport to your worksite.
• FOR METALWORKING – Particularly successful in cutting through hard metals such as stainless steel and cast iron, although they can be used for softer materials, too. Not for hardened steel / high carbon steel. Try to adjust the RPM when it fails to penetrate.
• DOWNLOADABLE USER GUIDE – We’ve summed up some tips of drilling metals, including a RPM chart for several common metals, based on our reviews and some articles on the internet. In most cases, our customers would get a much better result with these tips. Welcome to download.

Features :

• JOBBER LENGTH: jobber length cobalt drill bit, 135 degree split point reduces drill walking, 3-flat shank provides a secrue grip in chucks
• MADE FROM HIGH-SPEED STEEL AND 5% COBALT: improve much higher heat resistance because of cobalt steel’s high red hardness, provide strong durable performance compared to typical hss drill bits
• CAN BE REPEATEDLY SHARPENED AS NEEDED: cobalt drill bit’s hardness is uniform throughout the entire material, so that can be repeatedly sharpened without damaging the cutting edge allowing it to drill more than hss drill bits
• APPLICATION: best used for drilling in hard metal, including stainless steel
• INCLUDE: 13 pieces cobalt drill bits in inch sizes 1/16″ to 1/4″ (1/64″ increments) with plastic case

Features :

• Cobalt Steel – Manufactured From M35 5% Cobalt Steel, With Molybdenum And Cobalt Added To Creates A Hardened Alloy, Measuring Rockwell Hardness Up To 65, For Much Faster Cutting And Extra Longer Life Span, With Up To 10 Times When Compared with an Average HSS Drill Bit.
• HSS Titanium Coating – Classic HSS Construction With Titanium Coating For Capability And Durability. The Cutting Edge Is Hardened And Honed For Sharpness.
• Flutes Form – 2 Flutes Form Helps Clear Chips And Debris Away From The Bit, Decreasing Friction And Heat For A Faster, Cooler Drilling Process, Chatter-Free Design With Staggered Cutting Teeth Ensure The Precise Countersinking And Hole Smooth Clean.
• Straight Shank And 135° Point Angle – Straight Shank For Standard Drill Chucks And Collet Chuck To Hold Firmly, Assuring Accurate Centering; Helical Flute For Swarf To Easily Get Out; Ideal For General Purpose Drilling Applications.
• For Metalworking – Particularly Successful In Cutting Through Hard Metals(Hardness Less Than Hrc38°) Such As Stainless Steel And Cast Iron, Although They Can Be Used For Softer Materials Like Copper And Aluminium, Too. Not For Hardened Steel And High Carbon Steel.

Features :

• Durable HSS Drill Bit —– High-speed steel makes it last longer than others, titanium coating ensure easily cut through iron sheets, aluminum sheets, copper & plastic & wood board and many other types of sheet metal with ease, and it can automatically deburr holes while drilling to keep the drill bit clean.
• Titanium Coating —– Coated with titanium, this step drill set performs well in heat, corrosion and rust resistance.
• Revolutionary Design —– Tri-flatted shank fits into power tools chuck securely and eliminates slip; two-flute design clears chips faster and allows particles to escape easily.
• Includes 10 Step Sizes —– 1/4″, 3/8″, 1/2″, 5/8″, 3/4″, 7/8″, 1″, 1-1/8″, 1-1/4″, 1-3/8″.
• A Must-Have for Handyman or Professionals —– Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper, iron and many other types of sheet metal (excluding steel or any other harder metal).

Features :

• ✅ Faster Cutting and Longer Life— Our Twist Drill Bit HSS are Manufactured from M35 cobalt steel, with molybdenum and cobalt added to creates a hardened alloy, measuring Rockwell hardness up to 67, for much faster cutting and extra longer life span, with up to 12 times when compared with an average HSS drill bit.
• ✅ No Center Punch Is Needed—The 135° Quick-Cut points are self-centering and penetrate quickly with less pressure. Twist drill bit kit Will not “walk” or “wander”
• ✅ Extremely Heat Resistant — twist drill bits Must be used and operated at 1500 RPM or greater for maximum efficiency. Straight shank allows for firmly holding and accurate centering, fit for standard drill chucks and regular round collet chucks
• ✅ Metal Cutting — Drilling Steel, Stainless Steel, Hard Metal and Iron.Particularly successful in cutting through hard metals such as hard metal ,stainless steel and cast iron, although they can be used for softer materials, too
• ✅ Easy Usage And Store —The set includes 13pcs of M35 cobalt steel twist drill bits: 1.5mm, 2mm, 2.5mm, 3mm, 3.2mm, 3.5mm, 4mm, 4.5mm, 4.8mm, 5mm, 5.5mm, 6mm, 6.5mm,13Pcs Packed in a Plastic Bag For Easy Usage And Store

Features :

• Manufactured from High Speed Steel Twist Drill Straight Shank Cobalt Twist Drill Hand Drill Hole Drill Set
• No center punch is needed – the 135° Quick-Cut points are self-centering and penetrate quickly with less pressure. Will not “walk” or “wander”
• Extremely heat resistant; must be used and operated at 1500 RPM or greater for maximum efficiency. Straight shank allows for firmly holding and accurate centering, fit for standard drill chucks and regular round collet chucks
• Material: Drilling Steel, Stainless Steel, Metal and Iron. Particularly successful in cutting through wood, rubber, bamboo and plastic. DO NOT suggest to cut hard metals such as hard metal ,stainless steel and cast iron
• Package: Includes 13pcs of steel twist drill bits: 1.5mm, 2mm, 2.5mm, 3mm, 3.2mm, 3.5mm, 4mm, 4.5mm, 4.8mm, 5mm, 5.5mm, 6mm, 6.5mm

Features :

• COBALT STEEL – Manufactured from M35 cobalt steel, with molybdenum and cobalt added to create a hardened heat-resistant alloy, measuring Rockwell hardness up to 67, for much faster cutting and extra longer life span, with up to twelve times compared with an average HSS drill bit.
• SELF CENTERING – The 135°quick-cut split point is self-centering and can penetrate quickly with less pressure. The bits will not “walk” or “wander”. Straight shank allows for firmly holding and accurate centering, fit for standard drill chucks and regular round collet chucks. (The 4 small bits are 118 degree chisel pointed.
• 15PC SET – The set includes 15pcs (12different sizes: 2 pieces of 1/16″, 3/32″,1/8″ bits, and 1 piece of 5/64″, 7/64″, 9/64″, 5/32″, 3/16″, 7/32″, 14″, 5/16″ and 3/8″ bit) of fractional inch size M35 grade cobalt steel twist drill bits, packed in a hard ABS plastic indexed case. Manufactured to German DIN338 standard.
• METALWORKING – Particularly successful in cutting through hard metals(hardness less than HRC38°) such as stainless steel and cast iron, although they can be used for softer materials like copper and aluminium, too. Not for hardened steel / high carbon steel. Try to adjust the RPM when it fails to penetrate.
• DOWNLOADABLE USER GUIDE – We’ve summed up some tips of drilling metals, including a RPM chart for several common metals, based on our reviews and some articles on the internet. In most cases, our customers would get a much better result with these tips. Welcome to download.

Features :

• Easily drills on iron sheets, stainless steel sheets(under 1mm! ), steel sheets as well as aluminum sheets.RevolutionarySuit for use in hardness under 28 artifacts,(Such as: Stainless steel(under 1mm!) , iron plate, aluminum, wood )
• You can use water to cooling it when it is work and it can be used for even longer
• Meet Your Demands – With the step drill bits we offered, you can process different kinds of diameter holes, which greatly saves you a lot of trouble.Great for metal wood plastic countersunk. Suitable for Home DIY, and General Building Engineering Use.
• M2 High speed steel makes it last longer than others, ensures easily cut through stainless steel sheets, aluminum sheets, copper & plastic & wood board and many other types of sheet metal with ease, and it can automatically deburr holes while drilling to keep the drill bit clean.
• 4mm to 32mm 15 Steps ,4mm to 12mm 9 Steps .4mm to 20mm 9 Steps (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm,18mm,20mm)

Features :

• 【Heat Resistant】 This straight shank twist drill set is made of 5% cobalt high speed steel, adding molybdenum and cobalt to form a hardened alloy with a Rockwell hardness of 67, It is super heat resistant and wear resistance can cut hard metals quickly, suitable for drilling high hardness materials, up to 10 times life than ordinary HSS drill bits.
• 【Safe & Eco-friendly】 High speed steel with 5% cobalt, durable, safe and eco-friendly, providing longer tool life and reducing environmental pollution, It is a very practical and user-friendly drill bit for cutting through hardened material, golden surface treatment holds up lubricant better for smoother drilling.
• 【Lightweight & Durable】 Designed with a 135 degree split point, these drill bits are very lightweight, eliminating the need for a center punch, making cutting faster and less powerful, preventing walking and cutting stainless steel more precisely, thanks to its precision grinding inclined blade design, each bit ensures fast drilling with excellent chip removal.
• 【Multiple Sizes & Widely Used】 The metal drill bits set for steel are available 13 sizes to meet your different needs, drill bit sizes include : 1/16″, 5/64″, 3/32″, 7/64″, 1/8″, 9/64″, 5/32″, 11/64″, 3/16″, 13/64″, 7/32″, 15/64″, 1/4″. these cobalt drill bits are widely used in metalworking, it is ideal for cutting hard alloys such as stainless steel and cast iron, not suitable for glass or ceramic.
• 【Practical Design】 The metal drill bits kit features a straight shank design that makes it easier to fix and precisely machine, saving time and improving work efficiency. It is perfect match for home DIY, workshop or vehicles repair shop.

Features :

• HSS-CO MATERIAL – Manufactured from M35 grade cobalt steel, 5% cobalt added to creates a hardened alloy, for much faster cutting and extra longer life span, with up to twelve times when compared with an average HSS drill bit.
• 135°SPLIT POINT – the 135°quick-cut split point are self-centering and able to penetrate metals quickly with less pressure, prevent bits from “walking and wanding”. Easy cutting without need of center punch.
• FOR METALWORKING – Particularly successful in cutting through hard metals(hardness less than HRC38°) such as stainless steel and cast iron, although they can be used for softer materials like copper and aluminium, too. Not for hardened steel / high carbon steel. Try to adjust the RPM when it fails to penetrate.
• 10PC SET – The set includes 10pcs of 1/8″ diameter M35 grade cobalt steel twist drill bits, packed in a plastic case for easy storage and carrying. Manufactured to German DIN338 standard.
• DOWNLOADABLE USER GUIDE – We’ve summed up some tips of drilling metals, including a RPM chart for several common metals, based on our reviews and some articles on the internet. In most cases, our customers would get a much better result with these tips. Welcome to download.