Step Drill Bits
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Milwaukee®SHOCKWAVE™ Impact Duty™ Fractional Step Drill BitSHOCKWAVE™ Impact Duty™ Fractional Step Drill Bit by Milwaukee®. SHOCKWAVE™ Impact Duty™ Step Bits are engineered to deliver the most durable and fastest impact step bit hole drilling solution. These step drill bits are made in...Made with precision and quality in mindBuilt to last$32.53 - $74.97 - Milwaukee®Secure-Grip™ Black Oxide Fractional Step Drill BitSecure-Grip™ Black Oxide Fractional Step Drill Bit by Milwaukee®. If you’re looking for a reliable solution to complete your project, this 1st-grade product is right up your alley. Designed utilizing the finest materials, it...2X faster-cuttingUp to 50% more holes per battery charge$29.38 - $47.83
- Titan Tools®Fractional Step Drill BitFractional Step Drill Bit by Titan Tools®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Drill multiple sizes with each bitPractical, efficient tools to get your job done right$16.93 - $16.95
- Vermont American®Fractional Step Drill BitFractional Step Drill Bit by Vermont American®. Titanium coated step drills are designed to handle repetitive drilling in metal, wood, plastic and PVC. The titanium coating is engineered to last six times longer than standard high speed...Designed to help to get your job done rightManufactured utilizing the highest quality materials$27.42 - $69.48
- Euroboor®Titanium HSS Fractional Step Drill BitTitanium HSS Fractional Step Drill Bit by Euroboor®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$12.39 - $42.56
- KnKut®#1 Performance Fractional Step Drill Bit (KK4-1/8-1/2)#1 Performance Fractional Step Drill Bit (KK4-1/8-1/2) by KnKut®. KnKut Step Drills are made from special moly alloy steel and gold surface treated for maximum lubricity. Dual flute construction drills clean accurate holes in thin...Expertly crafted from premium materialsDesigned to match rigorous quality standards$47.04
- KnKut®#2 Performance Fractional Step Drill Bit (KK4-3/16-A)#2 Performance Fractional Step Drill Bit (KK4-3/16-A) by KnKut®. KnKut Step Drills are made from special moly alloy steel and gold surface treated for maximum lubricity. Dual flute construction drills clean accurate holes in thin...Expertly crafted from premium materialsDesigned to match rigorous quality standards$38.84
- KnKut®#21 Performance Fractional Step Drill Bit (KK4-13/16)#21 Performance Fractional Step Drill Bit (KK4-13/16) by KnKut®. KnKut Step Drills are made from special moly alloy steel and gold surface treated for maximum lubricity. Dual flute construction drills clean accurate holes in thin...Expertly crafted from premium materialsDesigned to match rigorous quality standards$135.44
- KnKut®#3 Performance Fractional Step Drill Bit (KK4-1/4-3/4)#3 Performance Fractional Step Drill Bit (KK4-1/4-3/4) by KnKut®. KnKut Step Drills are made from special moly alloy steel and gold surface treated for maximum lubricity. Dual flute construction drills clean accurate holes in thin...Expertly crafted from premium materialsDesigned to match rigorous quality standards$56.40
- KnKut®1/4 to 1 to 3/8" HSS Performance Fractional Step Drill Bit (KK4-1/4-KO)1/4 to 1 to 3/8" HSS Performance Fractional Step Drill Bit by KnKut®. KnKut Step Drills are made from special moly alloy steel and gold surface treated for maximum lubricity. Dual flute construction drills clean accurate holes in thin...Expertly crafted from premium materialsDesigned to match rigorous quality standards$135.44
- KnKut®13/16" to 1-1/16" Gold Oxide Hole Expansion Fractional Step Drill Bit (K4SR13161116)13/16" to 1-1/16" Gold Oxide Hole Expansion Fractional Step Drill Bit (K4SR13161116) by KnKut®. Hole Expansion Step Reamer USA Made KnKut Step Reamers accurately starts on contact and enlarges and deburrs holes in material up the 1/2"...90° Notch Point starts holes easily7 hole enlargement steps$71.85
- KnKut®5/16" to 9/16" Gold Oxide Hole Expansion Fractional Step Drill Bit (KK4SR516916)5/16" to 9/16" Gold Oxide Hole Expansion Fractional Step Drill Bit (KK4SR516916) by KnKut®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in...Designed to help to get your job done rightManufactured utilizing the highest quality materials$54.15
- KnKut®9/16" to 13/16" Gold Oxide Hole Expansion Fractional Step Drill Bit (KK4SR9161316)9/16" to 13/16" Gold Oxide Hole Expansion Fractional Step Drill Bit (KK4SR9161316) by KnKut®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers...Designed to help to get your job done rightManufactured utilizing the highest quality materials$62.38
- ALC®KEYSCO TOOLS™ 1/2" Cobalt Step Drill Bit (77426)KEYSCO TOOLS™ 1/2" Cobalt Step Drill Bit by ALC®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Made from Superalloy, CobaltPatented self-centering tip design$31.92
- ATD®5-piece Step Drill Bit Set (9200)5-piece Step Drill Bit Set by ATD®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by ATD® will last a lifetime. It...#4241 High Speed Steel is perfect for drilling holes in thin mild steel, aluminum, copper, brass, plexiglass, wood and laminatesTwo flutes design for true round holes and automatically deburrs as you drill$50.56
- Beta Tools®12 to 20 mm HSS Metric Step Drill Bit (004250016)12 to 20 mm HSS Metric Step Drill Bit (004250016) by Beta Tools®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...Designed for the ultimate in practicality and functionalityMade from superior materials for unparalleled quality and dependability$166.81
- Beta Tools®20 to 30 mm HSS Metric Step Drill Bit (004250017)20 to 30 mm HSS Metric Step Drill Bit (004250017) by Beta Tools®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...Designed for the ultimate in practicality and functionalityMade from superior materials for unparalleled quality and dependability$280.13
- Beta Tools®30 to 40 mm HSS Metric Step Drill Bit (004250025)30 to 40 mm HSS Metric Step Drill Bit (004250025) by Beta Tools®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...Designed for the ultimate in practicality and functionalityMade from superior materials for unparalleled quality and dependability$390.91
- Beta Tools®4 to 12 mm HSS Metric Step Drill Bit (004250012)4 to 12 mm HSS Metric Step Drill Bit (004250012) by Beta Tools®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...Designed for the ultimate in practicality and functionalityMade from superior materials for unparalleled quality and dependability$64.32
- Beta Tools®4 to 12 mm HSS Metric Step Drill Bit (004250010)4 to 12 mm HSS Metric Step Drill Bit (004250010) by Beta Tools®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...Designed for the ultimate in practicality and functionalityMade from superior materials for unparalleled quality and dependability$60.49
- Beta Tools®4 to 20 mm HSS Metric Step Drill Bit (004250015)4 to 20 mm HSS Metric Step Drill Bit (004250015) by Beta Tools®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...Designed for the ultimate in practicality and functionalityMade from superior materials for unparalleled quality and dependability$91.04
- Beta Tools®4 to 30 mm HSS Metric Step Drill Bit (004250020)4 to 30 mm HSS Metric Step Drill Bit (004250020) by Beta Tools®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...Designed for the ultimate in practicality and functionalityMade from superior materials for unparalleled quality and dependability$194.82
- Beta Tools®40 to 50 mm HSS Metric Step Drill Bit (004250029)40 to 50 mm HSS Metric Step Drill Bit (004250029) by Beta Tools®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...Designed for the ultimate in practicality and functionalityMade from superior materials for unparalleled quality and dependability$553.89
- IRWIN®#4MT Titanium Metric Step Drill Bit (4MT)#4MT Titanium Metric Step Drill Bit by IRWIN®. IRWIN® step drill bits are ideal for drilling holes in just about any type of thin material. General purpose high speed steel UNIBIT step drill bits are perfect for use in mild steel,...Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminatesSingle-flute cutting edge for greater control through steps$55.63
- IRWIN®Unibit™ #1 Cobalt Fractional Step Drill Bit (10231CB)Unibit™ #1 Cobalt Fractional Step Drill Bit (10231CB) by IRWIN®. IRWIN® step drill bits are ideal for drilling holes in just about any type of thin material. General purpose high speed steel UNIBIT step drill bits are perfect for use...6X Longer life vs. the competitionM35 grade Cobalt HSS$26.39
- IRWIN®Unibit™ #1 HSS Self-Starting Fractional Step Drill Bit (10231)Unibit™ #1 HSS Self-Starting Fractional Step Drill Bit (10231) by IRWIN®. IRWIN® step drill bits are ideal for drilling holes in just about any type of thin material. General purpose high speed steel UNIBIT step drill bits are...Single-flute cutting edge for greater control through stepsHex shank prevents slipping in drill chuck$20.81
- IRWIN®Unibit™ #10 HSS Self-Starting Fractional Step Drill Bit (10310)Unibit™ #10 HSS Self-Starting Fractional Step Drill Bit (10310) by IRWIN®. IRWIN® step drill bits are ideal for drilling holes in just about any type of thin material. General purpose high speed steel UNIBIT step drill bits are...Single-flute cutting edge for greater control through stepsHex shank prevents slipping in drill chuck$20.16
- IRWIN®Unibit™ #11 HSS Self-Starting Fractional Step Drill Bit (10311)Unibit™ #11 HSS Self-Starting Fractional Step Drill Bit (10311) by IRWIN®. IRWIN® step drill bits are ideal for drilling holes in just about any type of thin material. General purpose high speed steel UNIBIT step drill bits are...Single-flute cutting edge for greater control through stepsHex shank prevents slipping in drill chuck$40.06
- IRWIN®Unibit™ #12 HSS Self-Starting Fractional Step Drill Bit (10312)Unibit™ #12 HSS Self-Starting Fractional Step Drill Bit (10312) by IRWIN®. IRWIN® step drill bits are ideal for drilling holes in just about any type of thin material. General purpose high speed steel UNIBIT step drill bits are...Single-flute cutting edge for greater control through stepsHex shank prevents slipping in drill chuck$21.39
- IRWIN®Unibit™ #12 HSS Step Drill Bit (12)Unibit™ #12 HSS Step Drill Bit (12) by IRWIN®. IRWIN® step drill bits are ideal for drilling holes in just about any type of thin material. General purpose high speed steel UNIBIT step drill bits are perfect for use in mild steel,...Single-flute cutting edge for greater control through stepsHex shank prevents slipping in drill chuck$21.17
Step drill bits are widely used in plumbing and general construction to make round holes in soft materials. However, they can also be applicable for very thin stainless steel, aluminum, brass, copper and other metals. These versatile tools are particularly handy when it comes to enlarging holes that have already been drilled. A step drill bit features a unique staircase profile that allows it to cut holes of different diameters. It has a smaller pilot drill point that drills the initial small holes, and to be able to achieve the desired size of the hole it’s recommended to advance the drill bit further into the material. Step drill bits are usually coated in a titanium-nitride coating that helps minimize heat build-up, enhance surface hardness and ensure long-lasting service.
Whether you are a professional contractor, a plumber or a hobbyist working on your own construction project, high-quality step drill bits offered on our website will give you the reliability and versatility you need to perform your tasks as easily and effectively as possible. Now you can create perfect round holes, enlarge the existing ones or deburr holes left by other bits using only one tool – and that’s the step drill bit. Here, we carry a full line of first-rate step drill bits that are made from the sturdiest materials such as high-speed steel to bring the ultimate in performance and wear resistance. Most step drill bits showcased in our online store have a flatted shank or hex shank that allows to avoid slipping in drill chuck.
