Oxmul Z138-204 M35 Step Drill Bit For Metal, 1/4 Inch To 1-3/8", Cobalt Bits, Heavy Duty For Stainless Steel






- M35 COBALT BIT / HEAVY DUTY for SS /1/4 inch to 1-3/8 inch
- Heavy Duty for Stainless Steel - The Cobalt Drill Bits can drill 6X longer life and 2X faster. This Drill bits is heavy duty for Stainless Steel, Metal, Galvanized Steel, Aluminum,Iron, Wood, PVC and Copper. This step bit is tough,sharp and can drill many holes on hard metal like a work horse
- M35 Cobalt Bits - Prefect for Stainless Steel/Metal Sheet/Wood/Plastic/Aluminum Sheet/Copper and other metal sheets. This Drill bit can successfully drill more and more holes easily into Stainless Steel plate like knife through butter
- 6 Steps2-Straight-Flute3/8 inch Shank - 6 steps - from 1/4", 7/8", 1-1/8", 1-7/32", 1-1/4 inch to 1-3/8". 2-Straight-Flute - Clears Chips faster
- A Work Horse - This spiral shaped step bit is a work horse. Easily drilled through the steel platform of your zero-turn mower, stainless steel sink, cold rolled steel, lug bolt, old rack, iron rotors, tractor bucket, washer, heavy steel loader bucket was made for a tractor, hydroponics tubing,water pipe, cabinet
Augtouf 6974157528141 Toolant Four Spiral Flute Cobalt Step Drill Bit(Pro), 3/16 Inch - 7/8"(12 Step Size) Impact Ready Unibit Step Drill Bit, 1/4 Inch Hex Shank Step Bit For Metal, Stainless Steel









- FOUR SPIRAL FLUTE - Four cutting blades design guarantees a faster and smoother cutting. Feels like a hot knife through butter!
- TiAlN COATING - With 89HRC surface hardness, harder materials can be cut and higher cutting speeds can be achieved.
- M35 COBALT HSS STEP DRILL - Prefect for 1/8"(3mm) thick Stainless Steel/Metal Sheet/Wood/Plastic/Aluminum Sheet/Copper and other metal sheets.
- 12 STEP SIZES - Includes 3/16",1/4", 5/16", 3/8", 1/2", 9/16", 5/8", 11/16", 13/16", 7/8".
- WARRANTY - If you are not fully satisfied for any reason, please contact us for 100% refund or replacement. If the hex shank snap off, please contact us for replacement.
Hyamass STEP DRILL BITS Cobalt Steel Step Drill Bit






- HIGH-QUALITY MATERIAL - Using M35 grade 5% cobalt HSS-Co material, The addition of cobalt increases heat resistance.its ability to resist wear over conventional high speed steels, allowing for shorter cycle times in production environments due to higher cutting speeds or from the increase in time between tool changes. M35 is similar to M2, but with 5% cobalt added.
- 9 STEPS - The step bit comes with 9 sizes ranging from 4mm to 12mm, The size marks are stamped next to each step to ease the use, you can drill up to 9 holes of different diameters with one bit, saving you time and efforts to change bits.
- Widely Use -Applicable machines - pistol drill, bench drill. Suitable for drilling new holes or and enlarging existing holes on workpieces with higher hardness, such as stainless steel, carbon steel, aluminum, iron, brass, copper, etc.
- Precise Design - Double spiral flutes for more efficient swarf clearance; 1/4 Inch hex Shank with quick release slot to eliminate slipping; Self-starting for clean holes in thin materials; M35 cobalt HSS to cut stainless steel.
- 1/4 inch HEX SHANK - Compared to bits with round shanks, this 1/4 inch hex-shank step bit can be gripped more tightly by compatible drills and screwdrivers for greater torque.
Ezarc 80376191 Step Drill Bit For Metal, M35 Cobalt Step Drill Spiral Flute Unibit Step Drill Bit (1/4''-3/4'') Wear-Resistant Altin Coated, 1/4 Inch Hex Shank For Metal, Stainless Steel







- C-Profile Design - EZARC step drill bits feature a triple-flute design for increased stability, effectively reducing deviation during the cutting process. Additionally, the 'C-profile' cutting edge ensures smoother cutting and an increased cutting speed
- M35 HSS Step Drill - M35 cobalt high-speed steel, through heat treatment, achieves toughness and bending strength that surpass standard high-speed steel, making this step drill bit more suitable for cutting hard materials
- AlTiN Coating - Step bits coated with aluminum titanium nitride, rated at 89HRC for exceptional hardness and thermal properties. This coating offers superior resistance to heat, wear, and corrosion, with high adhesion and low friction
- Nine Step Sizes - Spiral flute design, featuring nine distinct steps, offers seamless and effective drilling across various thicknesses, eliminating the need for multiple bits. Includes 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4 inch
- Please Note -Material thickness - Suitable for metal sheet up to 1/8 inch (3 mm) thick and stainless steel sheet up to 1 mm thick. Add cutting oil or use coolant during continuous operation. Due to the larger cutting angles, the startup speed may be slower
Hots SDB-5 Step Drill Bit Set & Automatic Center Punch Unibit, Cobalt Titanium Set, 5Pcs Hss Multiple Hole 50 Sizes (1/8In-1 3/8In) High-Speed Metal Steel






- The step drill bit are made of high speed steel, strong and durable, fit for drilling holes in stainless steel sheet, aluminum alloy, plastic material and wood(the board must be smaller in thickness than the height of step drill bits, thickness not exceed 0.12 inch/3mm).
- The Titanium coating resists the drill bits from corrosion and rust, deduces friction making it easily to do multiple drills on surfaces such as plastic, aluminum, copper, stainless steel, and other types of sheet metal.
- The step drill bit set includes five standard step drill bits that can replace 50 individual drill bits and process 50 different kinds of diameter holes,meet various drilling hole requirements.
- X-shape cutting blades design enables a faster and smoother cutting.1/4 "or 3/8 inch rods are compatible with most electric drilling tools, suitable for Home DIY, and General Building/Engineering Use.
- Satisfaction guaranteed! Try any product we sell for a full 30 days. If not completely satisfied, return it to us for a no-hassle refund or credit.
Comoware CNSTEPSPIRAL Hex Shank Cobalt Step Drill Bit With Two Spiral Flutes - 10 Step Sizes (1/4 Inch – 1-3/8") - Ideal For Metal, Stainless Steel






- M35 Cobalt HSS Step Drill - The M35 cobalt HSS step drill is an ideal choice for drilling through a variety of materials such as stainless steel, metal sheet, wood, plastic, aluminum sheet, copper, and other metal sheets.
- Spiral Flute Design - The spiral-flute design prevents metal filings from flying around and clears chips faster, allowing for smoother drilling without overheating. The split point tip is at 118 degrees to increase wear resistance.
- Widely Applicable - Our step drill bit can process different diameter holes, making it easy to drill through plastic, wood, plank, and soft rubber with low hardness countersunk. Suitable for home DIY and general building/engineering use.
- Hex Shank for Quick Change - Our drill bits feature a hex shank that fits easily and securely into all power tools, especially for locking into quick-change chucks. The hex shank also clamps more securely onto pistol drills to prevent slippage and shedding during rotation.
- Easy Storage and Lifetime Guarantee - Our drill bit set includes a holder for easy storage and organization. We stand behind all of our high-quality products and offer a no-questions-asked guarantee. If you're not satisfied, please contact us (through Amazon if past the standard return window) and we'll be happy to assist you.
Oxmul CO35A2-35A3 M35 Step Drill Bit Set,1/8 Inch To 7/8 Inch 25-Steps, Cobalt Bits, Heavy Duty For Stainless Steel






- Heavy Duty - The M35 Cobalt Drill Bits can drill 8X longer life and 3X faster. This Drill bits is heavy duty for Stainless Steel, Hard Metal, Galvanized Steel, Aluminum,Iron, Wood, PVC and Copper. This step bit is tough,sharp and can drill many holes on hard metal like a Work Horse!
- M35 Cobalt Steel - Prefect for Stainless Steel/Metal Sheet/Wood/Plastic/Aluminum Sheet/Copper and other metal sheets. This Drill bit can successfully drill more and more holes easily into Stainless Steel plate like knife through butter!
- Total 25 StepsA Case - from 1/8 inch to 1/2", 3/16"to 7/8". Two drill bits in A PACKING CASE
- A Work Horse - This spiral shaped step bit is a work horse. Easily drilled through the steel platform of your zero-turn mower, cold rolled steel, lug bolt, old rack, iron rotors, tractor bucket, washer, heavy steel loader bucket was made for a tractor, hydroponics tubing,water pipe, cabinet
- 1/4 inch Hex Shank3/8"Tri-Flatted Shank2-Spiral-Flute - Fits into power tools chuck securely and eliminates slip.2-Spiral-Flute - Clears Chips faster
Irwin 10234CB Tools Irwin Step Drill Bit, 3/16-Inch To 7/8-Inch, Cobalt Alloy Steel

- Cobalt Alloy Steel high speed steel for extended cutting edge life makes it ideal for drilling stainless steel
- Drills 12 different hole sizes, from 3/16 inch to 7/8 inch by 16ths
- SpeedPoint tip prevents "walking," gets fast starts, and eliminates the need for pilot/starting hole
- Single-flute cutting edge drills true round holes with smooth, clean finish
Stroton COBALT-15S-(4-32MM) 4-32Mm Metric 5% Cobalt Step Drill Bit For Stainless Steel And Hard Metal





- Premium M35 5% Cobalt Steel ,66-69 HRC (Rockwell Hardness Scale) ,Usually Give the Best Heat,Wear and Chip Resistance and Long Tool Life.
- Grinding the Cutting Edge Three Times,with the High HRC and Heat Resistance of the Material,Desigh for Cutting through Stainless steel , Iron plate, Aluminum,Ducts,Wood,PVC and Plastic.
- This Cobalt Step Drill Bit is Typically Capable of Running Two to Three Times Faster.Despite the Higher Price,the Cost Per Hole When Using Cobalt Drill Bit Will be the Lowest,Since It Can Produce So Many More Holes.
- 4-32mm - 15 Steps (4mm,6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm,22mm,24mm,26mm,28mm,30mm,32mm)
Aimlentool SD-M35-6PC Cobalt Step Drill Bit Set, Hex Shank Step Drill Bit With Automatic Center Punch For Metal, Stainless Steel







- M35 Material - Our M35 cobalt step drill bits, fortified with a titanium coating that makes the drill bit harder than a typical HSS bit, can reduce the friction drill, and perform well in heat, corrosion, and rust resistance.
- Spiral flute design - The spiral flute design prevents metal chips from flying and removes chips faster, allowing for smoother drilling without overheating. Promotes cleaner, more precise drilling operations.
- Wide application - Our step drill bits can process holes of different diameters and can be used in heavy metal, iron, aluminum, brass, plastic, aluminum alloy, wood, plastic, etc., and can also be easily and securely installed into all power tools.
- Size - Hex shank step drill sizes include 1/4-1-3/8, 3/16-7/8, 1/4-3/4, 1/8-1/2, 3/16-1/2 , with popular sizes needed for daily use, it can basically meet the needs in life and has greater convenience.
- After-Sales Service - The Aluminum storage box for stepped drill bit is sturdy and easier to carry and store. If you are not fully satisfied with our product for any reason, please contact us.
Mablevi XS003-13J M35 Four Spiral Flute Cobalt Step Drill Bit 1/8"-1/2", Wear-Resistant Tialn Coated 1/4 Inch Hex Shank Unibit Step Bit For Metal, Stainless Steel







- FOUR CUTTING BLADE UP TO 4X FASTER - Ordinary step drills are prone to deflection during cutting, four cutting blade design guarantees a faster and smoother cutting, allows swarf escape easily.
- ULTRA TiAlN COATING UP TO 10X LONGER LIFE - TiAlN coating has excellent characteristics. As a new coating material, which can minimize the wear of the drill bit during each drilling process.
- M35 COBALT PREMIUM STEP BIT - M35 steel is a kind of high speed steel containing cobalt, which has the characteristics of high red hardness, high wear resistance and sintering resistance. M35 cobalt can obtain high hardness (HRC 64-66) through proper heat treatment.
- 13 TOTAL STEP SIZE - Includes 1/8",5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16",15/32",1/2". Perfect for Stainless Steel/Metal Sheet/Wood/Plastic/Aluminum Sheet/Copper and other metal sheets.
- RELIABLE BRAND - Bring you the pleasure of cutting butter blocks. If the hex shank snap off, MABLEVI will repair and replace any defect, without charge, and without waiting.
Boyouys STEP-M2 M35 Four Spiral Flute Step Drill Bit Set 1/4 Inch-3/4 Inch (9 Sizes), 1/4 Inch Hex Shank Unibit Step Drill Bit, Impact Resistant M35 Cobalt Step Drill Bit, For Stainless Steel








- M35 Cobalt Superhard High Speed Steel - ISI M35/1.3243/SKH55/M35 steel is a kind of high speed steel containing cobalt, which has the characteristics of high wear resistance, high pressure resistance and sintering resistance.
- 100 extra-long warranty period - If you have any questions about the product, please contact us and we will answer you within 12 hours. If the hexagonal handle breaks, refund or replace for 100% .
- Unibit step drill bit compatibility - Unibit step drill bit can quickly and smoothly drill holes of different diameters, such as stainless steel, aluminum, wood, plastic board (the board must be thinner than the height of the step drill)
- M35 four spiral groove - Step drill bit for metal four cutting blade design. Faster, smoother cutting and easier separation of sawdust.
- 9 Sizes - Including - Step bit the bit contains 1/4 to 3/4 of the size. Common sizes 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, total 9 sizes
- TiAlN - TiAlN coating is a new coating material in recent two years.ndustrial-grade construction ensures durability and longevity It has high hardness, high oxidation temperature, good thermal hardness, strong adhesion, low friction coefficient and low thermal conductivity coefficient.
Oxmul Z207_202 Step Drill Bit Set, 1/8—1-3/8 16-Steps, Cobalt Drill Bits, Heavy-Duty For Stainless Steel







- Heavy Duty for SS/Metal / Cobalt Drill Bit / 2 pcs - 1/8"-1-3/8"/ 16Holes
- Heavy Duty for Stainless Steel - The Cobalt Drill Bits can drill 2X longer life. This Drill bits is heavy duty for Stainless Steel, Metal, Galvanized Steel, Aluminum,Iron, Wood, Plastic and Copper. This steel drill bit is tough,sharp and can drill many holes on hard metal like a Work Horse!
- 3%Cobalt Steel - Be clever at cutting holes in SS / Metal Sheet/Wood/Plastic/Aluminum/Copper. This Drill bit can successfully drill more holes easily like to help you DIY.
- A Work Horse - This spiral shaped step bit is a work horse. Easily drilled through the steel platform of your zero-turn mower, cold rolled steel, lug bolt, old rack, iron rotors, tractor bucket, washer, heavy steel loader bucket was made for a tractor, hydroponics tubing,water pipe, cabinet
- 16 Holes2-Flute -2-Flutes - Strong and no-break; Clears Chips faster.16 Sizes from 1/8 inch to 1/2", 7/8"to 1-3/8".
- 3/8"HEX Shank1/4 inch Hex Shank - Fits into power tools chuck securely and eliminates slip.
Rogaper SDH-6PCS 6Pc Cobalt Step Drill Bit Set, Hex Shank Step Drill With Two Spiral Flutes And Automatic Center Punch For Metal, Stainless Steel







- M35 Cobalt - Our M35 cobalt high speed steel drill bits, fortified with a titanium coating that makes the drill bit harder than a typical HSS bit, can reduce the friction drill, and perform well in heat, corrosion, and rust resistance.
- Spiral flute design - The spiral flute design prevents metal chips from flying and removes chips faster, allowing for smoother drilling without overheating. Promotes cleaner, more precise drilling operations.
- Wide application - Our step drill bits can process holes of different diameters and can be used in heavy metal, iron, aluminum, brass, plastic, aluminum alloy, wood, plastic, etc., and can also be easily and securely installed into all power tools.
- Size - Hexagonal shank step drill sizes include 1/4-1-3/8, 3/16-7/8, 1/4-3/4, 1/8-1/2, 3/16-1/2 , with popular sizes needed for daily use, it can basically meet the needs in life and has greater convenience.
- After-Sales Service - The Aluminum storage box for stepped drill bit is sturdy and easier to carry and store. If you are not fully satisfied with our product for any reason, please contact us for a 100% refund or replacement.
1Wanyue M35-3/16 - 1-3/8 Cobalt Step Drill Set, Four Spiral Flute Cobalt Step Drill Bit,1/4 Inch - 1-3/8"(19 Step Size), For Stainless Steel







- M35 Four groove step drill - - The ordinary step drill is easy to flex during the cutting process, but the four groove step drill is more stable in the cutting. 1/4 inch - 1-3/8"(19 Step Size).The service life is twice that of ordinary ladder drills, the drilling accuracy is significantly improved, the cutting speed is faster when drilling, and it has a unique effect on stainless steel drilling.
- M35 Cobalt High Speed Steel - - M35 cobalt high speed steel can be obtained by proper heat treatment with high hardness , high red hardness and high wear resistance. Its toughness and bending strength are higher than that of ordinary high-speed steel, which is better for hard materials.
- TiAlN - -TiAlN coating is a new coating material in recent two years. It has high hardness, high oxidation temperature, good thermal hardness, strong adhesion, low friction coefficient and low thermal conductivity coefficient.
- 135 cutting angle - - The increased angle of the drill tip is more suitable for drilling hard materials than 118 . Tip - The temperature of the drill will increase due to high speed rotation. It is suggested to add cutting oil or spray water to cool the drill during continuous operation, which can effectively prolong the service life of the ladder drill.If the product has any quality problems.
- After sale - -If you are not fully satisfied for any reason, please contact us,We will provide you with Worry-free after-sales service.
Ironant M35_1/4-3/4 Cobalt M35 Step Drill Bit 1/4 Inch To 3/4", Tialn Coating 4 Spiral Flute Step Bit For Stainless Steel






- M35 HSS and TiAlN Coating - The step bit is made from 5% Cobalt M35 HSS(high speed steel) and coated with TiAlN, making it more sturdy and durable, especially suitable for use on stainless steel
- 4 Spiral Flute - cut faster and smoother and allow chips to escape easily
- 118 Split Point Tip - increases cutting speed with self-centering and prevents walking
- One bit with multiple drill sizes---1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4 inch
- Widely Application - Ideal for drilling holes in stainless steel, plastic, aluminum, iron, copper and other types of sheet metal
Oxmul CO158Z Large Step Drill Bit For Steel, 1-5/8"(Pro) 13Holes, M35 Cobalt Drill Bits





- Extra-Heavy Duty for Stainless Steel - The M35 Cobalt Drill Bits(1.3243 STEEL) can drill 5X longer life and 2X faster. This Cobalt Drill bits is heavy duty for Stainless Steel, Metal, Galvanized Steel, Aluminum,Iron, Wood, PVC and Copper. This steel drill bit is tough,sharp and can drill many holes on hard metal like a Work Horse!
- LARGE Step Drill BitM35 Cobalt Step Drill - Prefect for Stainless Steel/Metal Sheet/Wood/Plastic/Aluminum Sheet/Copper and other metal sheets. This Drill bit can successfully drill more and more holes easily into Stainless Steel plate like knife through butter
- A Work Horse 13Holes - This straight shaped step bit is a work horse. Easily drilled through the steel platform of your mower, cold rolled steel, lug bolt, old rack, iron rotors, tractor bucket, washer, heavy steel loader bucket was made for a tractor, hydroponics tubing,water pipe, cabinet
- 13 Sizes2-Straight-Flute3/8 inch Tri-Shank - 13 steps - from 3/16",1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8", 1-1/2", to 1-5/8". 2-Straight-Flute - Clears Chips faster
- Large Step Drill Bit(1-5/8inch) /Extra-HEAVY DUTY for SS / M35 COBALT Drill / 13Holes (1/4"~1-5/8") / 3/8 inch Tri-Shank/ Two Straight-Flute
Hyamass STEP DRILL BITS Cobalt Steel Step Drill Bit







- HIGH-QUALITY MATERIAL - Using M35 grade 5% cobalt HSS-Co material, The addition of cobalt increases heat resistance.its ability to resist wear over conventional high speed steels, allowing for shorter cycle times in production environments due to higher cutting speeds or from the increase in time between tool changes. M35 is similar to M2, but with 5% cobalt added.
- 11 STEPS - The step drill bit comes with 11 sizes ranging from 3mm to 13mm, The size marks are stamped next to each step to ease the use, you can drill up to 11 holes of different diameters with one bit, saving you time and efforts to change bits.
- Widely Use -Applicable machines - pistol drill, bench drill. Suitable for drilling new holes or and enlarging existing holes on workpieces with higher hardness, such as stainless steel, carbon steel, aluminum, iron, brass, copper, etc.
- Precise Design - Double spiral flutes for more efficient swarf clearance; 1/4 Inch hex Shank with quick release slot to eliminate slipping; Self-starting for clean holes in thin materials; M35 cobalt HSS to cut stainless steel.
- 1/4 inch HEX SHANK - Compared to bits with round shanks, this 1/4 inch hex-shank step bit can be gripped more tightly by compatible drills and screwdrivers for greater torque.
Mulwark MLK Four Spiral Flute Cobalt Step Drill Bit Set And Automatic Center Punch, Industrial Grade Aluminium Titanium Nitride Coated Step Bit, Hex Shank Unibit Step Bits For Metal, Stainless Steel






- Durable Material - Made with M35 material, our unibit step drill bit is built to last through multiple uses, without showing signs of wear and tear. If you are not satisfied with the quality, you can contact us any time.
- Advanced Coating - Featuring an industrial-grade Aluminium nitride coating with a coating hardness rating of 89HRC3, our titanium drill bits for metal provide superior protection against heat, abrasion, and corrosion.
- Effortless Drilling - Our Step drill bits feature a precision split point with a 118-degree angle that makes it easy to start drilling on any surface, including hard materials like stainless steel or metal sheets. Plus, with the added benefit of an Automatic Centre Punch, you can be sure that each hole is cantered and accurately placed.
- Versatile Use - With four spiral flute designs and a hex shank type, our Step drill bit for metal , and stainless steel is perfect for a wide range of applications. It can be used on materials like wood, plastic, aluminum sheet, copper, other metal sheets, and stainless steel.
- Size Options to Suit Your Needs - With a comprehensive range of sizes included, our Step drill bit set is perfect for any project that requires drilling holes of different diameters. Whether you're a DIY enthusiast or a professional, this set is ideal for home repairs, metalworking, or any other task that requires precision drilling.
Bosch CO14B 14-Piece Assorted Set With Included Case - Cobalt M42 Metal Drill Bits With Three-Flat Shank For Drilling Applications In Stainless Steel
Ranked #4 in Best Alloy Steel Boring Drill Bits Of 2024
Ranked #4 in Best Steel Alloy Jobber Drill Bits Of 2024










- Cobalt M42 drill bit provides upgraded M42 Cobalt jobber-length bits designed for durability, high heat resistance and Hardened surface for stainless steel, cast iron, titanium, light-gauge metal and aluminum
- Enhanced M42 alloy material contains 8% Cobalt alloy that delivers 10x life vs. Standard bits
- High-heat resistant bits withstand high-temperature applications for extended periods of time
- Thick web-helix design provides additional stability in tough applications
- Surface-hardened tip penetrates tough abrasive materials
- Includes 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16", 3/8", 1/2 inch