Top Unibit Cobalt Step Drill 10234cb Reviews

6 pcs Step Drill Bit Set HSS Unibit Step Drill Bit and Automatic Center Punch Double Cutting Blades Hex Shank Step Bits for Metal with Aluminum Case

  • 【Double cutting blades】 Our step drill bit features a double cutting blades design, provides a smoother cut with rapid chip evacuation, making it easier to dislodge particles from the material. The 118° tip design enhances cutting speed and increases wear resistance while preventing tool walking..
  • 【HSS】 The step drill bit set is made of high speed steel, wear resistant and corrosion resistant to extend the life of the step bit..
  • 【Automatic center punch】 The carbide tip makes the center punch stronger. Knurling design on the surface makes it easy to prevent slippage..
  • 【What you get】 Our unibit step drill bit set includes 5 standard drill bits and an automatic center punch that can be used to machine 50 diameters of holes for metal, wood, plastic sheet and other materials, greatly increasing work efficiency. Our set includes 1 x 6 step bit (1/4" shank.
  • 3/16" - 1/2"), 1 x 13 step bit (1/4" shank.
  • 1/8" - 1/2"), 1 x 10 step bit (3/8" shank.
  • 1/4" - 1-3/8"), 1 x 12 step bit (3/8" shank.
  • 3/16" - 7/8"), and 1 x 9 step bit (3/8" shank.
  • 【Safe storage】 The step drill bit set comes with a custom aluminum case, sturdy and durable, easy to store and carry..
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FEWELL HSS Step Drill Bit Set 3-Piece Set 29 Sizes M35 Cobalt Spiral Groove Titanium Coated Step Drill Bit for Drilling Plate Aluminum Metal Wood HoleSpecification

  • 【M35 Cobalt High Speed ​​Steel】The durable step drill is made of HSS M35 cobalt, and the surface is plated with cobalt，outstanding durability and sharpness. Effectively reduces the friction to ensure cooler running so as to prolongs service life..
  • 【HSS titanium coating】The surface is treated with a titanium alloy, which greatly improves the cutting performance of the drill bit, is more wear-resistant, and extends the service life..
  • 【Efficient Design】118°X split point tip and two-flute design increases cutting speed with self-centering and prevents walking, clears chips faster and allows particles to escape easily..
  • 【Total 29 Step Sizes】3 drill bits, 29 sizes, our drill bit set includes 3 standard step drill bits, capable of drilling 29 holes of different diameters, thus saving your time and effort..
  • 【Application】The drill step bit suitable for pistol drill or bench drill, cooling water to extend its service life. The appropriate drilling speed is 250-400 rpm. Compared with traditional drills, the impact is minimal and it is almost impossible to break..
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NEIKO 10181A Step Drill Bit Set 3 Piece Spiral Grooved for Faster Drilling Step Bits for Stainless Steel Metal Wood Plastic Unibit Cone Drill Bits with 31 Step Sizes Total

  • PREMIUM STEP BIT: Each unibit is constructed of industrial high-speed steel with a titanium nitride coating for durability and strength to punch and drill clean holes in materials like plastic, aluminum, wood, copper, stainless steel, and other types of sheet metal..
  • STEP DRILL BIT FOR METAL: With a split point tip that accelerates cutting speed while preventing angled walking away from center line of bore, drilling holes in metal is fast, efficient, and clean..
  • SPIRAL DESIGN: The two-flute spiral grooved design deburrs chip, dust and debris for clearance and smooth cutting. With 31 step sizes, each hole made with these step bits will be precise..
  • QUICK-CHANGE: The 1/4-inch hex shank makes for easy, convenient, and quick stepper bit switches and is compatible with impact ready power tools..
  • INCLUDES: Each bit set comes with 3 drill bits of a combined 31 sizes to add to your drilling arsenal: 13 step drill (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-inch) 6 step drill (3/16, 1/4, 5/16, 3/8, 7/16, 1/2-inch) and 12 step drill (3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8-inch)..
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NEIKO 10197A Step Drill Bit Set 5 Pc Step Bit for Metal 50 SAE Sizes Total 1/8” – 1-3/8” SAE Titanium High Speed Steel Unibit Stepper Cone Drill Bit Two Flute Step Down Bits Step Up Drill Bits

  • HSS STEP BIT: Classic step drill bit set constructed of high-speed steel for drilling holes in plastic, aluminum, copper, stainless steel, and many other types of sheet metal. Also doubles as a hole expander..
  • TWO FLUTE & TRI SHANK: Two-flute design deburrs during drilling, clearing chips faster and allowing particles to escape for clean cut holes. Each step drill bit features a tri-flatted shank for a secure fit into power tool chucks, eliminating slip..
  • MULTIPLE HOLE DRILL BIT: This versatile unibit step drill bit cone bit can replace 50 individual drill bits for metal with just 5 pieces in one box. Drill a range of different sizes and holes with a single bit without needing to change between bits..
  • STEP DRILL BIT SET INCLUDES: Four multipurpose metal dill bit in 1/4-inch shank and 3/8-inch shank and a red blow mold carrying case for easy convenience and storage in your car, garage or shop..
  • 50 SIZES IN 1: 5 stepper bits included. 1 x 6 step bit (1/4” shank.
  • 3/16” - 1/2”), 1 x 13 step bit (1/4” shank.
  • 1/8” – 1/2"), 1 x 9 step bit (3/8” shank.
  • 1/4" to 3/4"), 1 x 10 step bit (3/8” shank.
  • 1/4” – 1-3/8”), and 1 x 12 step bit (3/8” shank.
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Titanium Step Drill Bit Set Unibit Drill Bits Unibits Set Uni Bit Step Bit Sets Stepped Drill Bits For Sheet Metal Hole Cutter Plastic Plexiglass Acrylic Impact Driver Unabit Up Stepper Cone Hex Shank

  • SET INCLUDES: (3) Titanium Step Drill Bits (Hex Shank), (1) Locking Quick Change Bit Holder Drill Adapter (Hex Drive), (1) Fabric Case.
  • The Step Bits in The Unibit Set All Have Quick Change 1/4” Hex Shanks (COMPATIBLE WITH DRILLS & IMPACT DRIVERS).
  • The Included Hex Drive QUICK CHANGE BIT HOLDER ADAPTER Lets You Easily Change Bits in Your Drill (it Fits The Unibits, Along With ANY Type of Hex Bit!).
  • Great For Drilling MULTIPLE SIZE HOLES in Thin Metal, Sheet Metal, Plastic, Plexiglass, Acrylic, Lexan, Plywood, PVC Pipe, Conduit, Polycarbonate, Fiberglass, And Much More!.
  • Step Drill Bit Sizes: 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” | 9/16” | 5/8” | 11/16” | 3/4”.
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NEIKO 10173A Step Drill Bit Set for Metal and Wood, 5 Piece SAE, Spiral Grooved for Faster Drilling, Step Bits with 50 Total Step Sizes, Titanium Coated Unibits

  • PREMIUM STEP BIT: Each unibit is constructed of industrial high-speed steel with a titanium nitride coating for durability and strength to punch and drill clean holes in materials like plastic, aluminum, wood, copper, stainless steel, and other types of sheet metal..
  • STEP DRILL BIT FOR METAL: With a split point tip that accelerates cutting speed while preventing angled walking away from center line of bore, drilling holes in metal is fast, efficient, and clean..
  • SPIRAL DESIGN: The two-flute spiral grooved design deburrs chip, dust and debris for clearance and smooth cutting. With 50 step sizes combined, each hole made with these step bits will be precise..
  • QUICK-CHANGE: The 1/4-inch hex shank makes for easy, convenient, and quick stepper bit switches and is compatible with impact ready power tools..
  • INCLUDES: Each bit set comes with 5 drill bits of a combined 50 sizes: Range is from 1/8” to 1-3/8”..
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INTOO Hss Cobalt Drill Bits Set 29PCS Triangle Shank,Industry Drill bits with Golden Ratio Tip,

  • 003cb003eSPECIFICATIONS:003c/b003e29PCS COBALT DRILL BIT SET： 1/16,5/64,3/32,7/64,1/8,9/64,5/32,11/64,3/16,13/64,7/32,15/64,1/4,17/64,9/32,19/64,5/16,21/64,11/32,32/64,3/8,25/64,13/32,27/64,7/16,29/64,15/32,31/64,1/2. Sizes from 1/8 to 1/2 with triangle shank..
  • 003cb003eGOLDEN RATIO TIP:003c/b003eFrom size 5/32" with patented "Golden Ratio" Tip,which especially designed for heavy duty purpose, effect clean&smooth holes on hard metal like stainless steel,and moreover, at least 3 times longer life..
  • 003cb003eCOBALT 5% MATERIAL:003c/b003e suitable for stainless steel or any hard metal,significantly increases the ware-resistance and durability..
  • 003cb003eSTORAGE BOX:003c/b003estrong metal box..
  • 003cb003eHOW TO USE:003c/b003econtrolling the drilling speed by lowest RPM would make drill life much longer than 3 times..
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TEMO M35 Cobalt Spiral Flute Step Drill 12 Size From 3/16 Inch To 7/8 Inch 1/4 Inch Hex Shank

  • M35 cobalt step drill 1/4" (6.35mm) hex shank 12 hole 3/16" (4.76mm) to 7/8" (22.22mm).
  • 12 hole sizes: 3/16" (4.76mm), 1/4" (6.35mm), 5/16" (7.94mm), 3/8" (9.52mm), 7/16" (11.11mm), 1/2" (12.7mm), 9/16" (14.29mm), 5/8" (15.88mm), 11/16" (17.46mm) , 3/4" (19.05mm), 13/16" (4.76mm), 7/8" (22.22mm) with 1/16" (1.59mm) increments. The size marks are stamped next to each step to ease the use..
  • 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. The step drill bit is made with M35 cobalt. It is ideal for variety of materials from stainless steel, metal, plastic, fiberglass to wood. They also help to enlarge existing holes. M35 HSSCo is a high speed steel alloy made up of 5% cobalt. M35 is similar to M2, but with 5% cobalt added..
  • The addition of cobalt increases heat resistance. It is widely used in metal manufacturing because of 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 also less prone to chipping when used for interrupted cuts..
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M35 Four Spiral Flute Step Drill Bit Set 1/4 - 1-3/8 （19 Sizes 1/4 Hex Shank Drill Impact Resistant M35 Cobalt Step Drill Bit for Stainless Steel Wood Aluminum Plastic

  • ✅【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% ..
  • ✅【M35 step drill compatibility 】： step drills 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 four cutting blade design. Faster, smoother cutting and easier separation of sawdust..
  • ✅【Common sizes】: drill bits contain sizes from 1/4” to 1-3/8. Common sizes 7/8”, 1-2/16”, 1-3/8, minimum size 1/4, maximum size 1-3/8, total 19 sizes.
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M35 Four Spiral Flute Step Drill Bit Set 1/8 -7/8 3 pcs 1/4 Hex Shank Drill for Working Metal Impact Resistant M35 Cobalt Step Drill Bit for Stainless Steel Wood Aluminum Plastic

  • ✅【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% ..
  • ✅【M35 step drill compatibility 】： step drills 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 four cutting blade design. Faster, smoother cutting and easier separation of sawdust..
  • ✅【34 Sizes :Including】:1/8"-1/2" 13 Sizes，1/4"-3/4" 9 Sizes，3/16" - 7/8" 12 Sizes..
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OXMUL M35 Step Drill Bit for Metal 3/16 to 7/8 Cobalt Bits Extra-Heavy Duty for Stainless Steel Hard Steel Mild Metal Aluminum Wood Industrial Grade 12-Steps Co35A2-A

  • [Extra-Heavy Duty+ for Stainless Steel] The M35 Cobalt Drill Bits is Industrial Grade and can drill 8X longer life and 3X faster. This Cobalt Drill bits can help you cut more holes, extra-heavy duty+ for Stainless Steel, Hard steel, Mild Metal, Galvanized Steel, Aluminum,Iron, Wood Plate,PVC and Copper. If you're expanding a lot of holes in metal sheet then please choose this step drill bit.
  • [M35 Cobalt Steel] This M35 Cobalt Drill bit can successfully drill more than 35 holes easily into 1/5" thick Stainless Steel plate like knife through butter!.
  • [12 Steps ︱2-Spiral-Flute] 12 Steps: from 3/16", 1/4", 5/16", 3/8", 7/16",1/2", 9/16", 5/8", 11/16", 3/4" 13/16" to 7/8". 2-Spiral-Flute:Clears Chips faster.
  • [Cutting Fluid] Cutting Fluid must be poured during work for longer life! Prohibit water-cooling to prevent rust!.
  • [3/8" Tri-Flatted Shank] Fits into power tools chuck securely and eliminates slip.
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TEMO M35 Cobalt Spiral Flute Type Step Drill, 9 Size from 1/4 Inch To 3/4 Inch, 3/8 Inch Shank

  • TEMO M35 Cobalt Spiral Flute Type Step Drill, 9 Size from 1/4 Inch (6.4 mm) To 3/4 Inch (19 mm), 3/8 Inch (9.5mm) Shank.
  • 9 hole sizes: 1/4″ (6.35mm), 5/16″ (7.94mm), 3/8″ (9.52mm), 7/16″ (11.11mm), 1/2″ (12.7mm), 9/16″ (14.29mm), 5/8″ (15.88mm), 11/16″ (17.46mm), 3/4″ (19.05mm), with 1/16″ (1.59mm) increments. 3/8 Inch Shank with 3 flats to eliminate slipping.
  • 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. The step drill bit is made with M35 cobalt. It is ideal for variety of materials from stainless steel, metal, plastic, fiberglass to wood. They also help to enlarge existing holes. M35 HSSCo is a high speed steel alloy made up of 5% cobalt. M35 is similar to M2, but with 5% cobalt added..
  • The addition of cobalt increases heat resistance. It is widely used in metal manufacturing because of 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 also less prone to chipping when used for interrupted cuts..
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Matework M35 Cobalt Step Drill Bit Four Spiral Flute Step Bit 1/4 -1-3/8 Wear-Resistant TiAlN Coated 3/8 Hex Shank Unibit for Metal Wood Stainless Steel Plastic 19 Size

  • ... are prone to deflection during cutting, but four Flute step drill are more stable in cutting. The service life is twice as long as that of ordinary step drills, the drilling accuracy is significantly improved, and the cutting speed is faster when drilling, which has a unique effect on stainless steel drilling..
  • M35 COBALT HSS - M35 cobalt HSS can obtain high hardness (HRC 64-66), high red hardness and high wear resistance through proper heat treatment. Its toughness and bending strength are higher than ordinary high-speed steel, and it is better for hard materials..
  • TiAlN COATING - As a new coating material in the past two years, TiAlN coating has excellent characteristics such as high hardness, high oxidation temperature, good thermal hardness, strong adhesion, small friction coefficient, and low thermal conductivity..
  • 135°CUTTING ANGLE - The increased angle of the drill tip is more suitable for drilling hard materials than 118°. The larger the included angle, the smaller the self-wear and the larger the stress area..
  • TIPS - Due to high-speed rotation, the temperature of the drill bit will continue to rise. It is recommended to add cutting oil or spray water to cool down when working continuously, which can effectively improve the service life of the....
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