Best Hss co Step Drill Bit

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..

NEIKO 10198A Step Drill Bit Set | 5 Piece, 4mm- 35mm | Metric Titanium High Speed Steel Unibit, Stepper Cone Drill Bit | Two Flute Step Down Bits, 135 Degree Point

• 135° SPLIT POINT TIP: Each step down drill bit is made with high strength HSS and is black and cobalt-treated for added durability to ensure long service life and longevity. The design of the tip angle increases cutting speed with self-centering and prevents walking off the surface of workpiece..
• 2 FLUTE DESIGN: This metric stepper drill bit has a two-flute design that clears chips faster, smoother, and allows particles to escape easily making cleaner holes at any worksite..
• TRI-FLATTED SHANK: Each unibit optimally fits into power tools such as impact drill chucks securely and eliminates slip for higher efficiency of output..
• HSS COBALT STEP BIT: This step up drill bit set cuts through steel, sheet metal, wood, plexiglass, enlarges a hole, and other surfaces creating relatively clean holes with only a small amount of pressure and deburrs as you drill..
• MULTIPLE HOLE DRILL BIT: 6 millimeter shank: (9 steps- 4, 5 , 6, 7, 8 ,9 10, 11, 12 mm),(5 steps- 4, 6, 8, 10, 12 mm) and 8mm shank (7 steps- 6, 8, 10, 12, 14, 16, 18 mm),(10 steps- 4, 6, 8, 10, 12, 14, 16, 18, 20, 22mm) and 10mm shank (13 steps- 6, 8, 10, 13, 16, 18, 20, 22, 25, 28, 30, 32, 35 mm)..

Neiko 10193A Titanium Step Bits Unibit Set 28 Sizes High Speed Steel Standard SAE Step Drill Bit Set Step Bits for Metal Unibit Step Drill Bits Industrial Unibit

• REPLACES 28 DRILL BITS: This set includes three standard SAE step drill bits that replace 28 individual drill bits allowing for you to spend more time working, than swapping out drill bits..
• TITANIUM COATED HSS UNIBIT: Made of high-speed steel with titanium coating for added durability and bit life. Suitable to drill though plastic, aluminum, copper, stainless steel, and many other types of sheet metal..
• SMOOTH DRILLING ACTION: Two-flute spiral design provides faster, smoother cutting without walking and a tri-flat shank to ensure a firm grip. Our titanium 2 step bits for metal are perfect for all your DIY, general building, and engineering tasks..
• COMPLETE STEP DRILL BIT SET: Comes with one 3/16-inch to 1/2-inch six-step bit, 1/4-inch to 3/4-inch nine-step bit, and 1/8-inch to 1/2-inch 13-step bit.
• STEP BIT SET CUTS AND DEBURRS: Cuts through steel, sheet metal and other surfaces with only a small amount of pressure and deburrs as you drill. Our unibit step drill bit is compatible with most drills on the market..

DEWALT DW1629 1-Inch 1/2-Inch Reduced Shank Twist Drill Bit,Black

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.

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..

3Pcs HSS Titanium Coated Step Drill Bit Set with Automatic Center Punch, 1/4' Hex Shank Drive Quick Change Metric High Speed Steel Cone Drill Bit for Steet Metal Wood Plastic Hole Cutting

• 【Widely Used】Perfect Step Drill Bits suitable for drill holes in various material： within 3mm/0.12 inch (Iron Plate, Copper Plate, Aluminum Plate).
• within 5mm/0.2 inch (Wood, PVC sheet, Insulation Boards). Not suitable for hard and brittle materials such as stainless steel, glass, tile floors, walls etc..
• 【Material】HSS combined with a titanium coating. More capable and durable..
• 【Easy Drilling】Two-Flute Design for smoother cutting. High Step design let you feel the stop and never drill bigger in mistake.
• 【SET INCLUDES】Bit #1 (5 steps): 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm).
• Bit #2 (9 steps): 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm).
• Bit #3 (15 steps): 4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm,30mm,32mm).
• 【Package Included】 3-Piece HSS Groove Step Drill Bit (4-12/ 4-20/ 4-32mm ) + 1 Automatic Center Punch. 1/4" Hex shaft drives are suitable for all kinds of for home DIY power drills..

FTG USA Replacement Tapered Countersink Drill Bit Set 3 Pc (#10) 3/16' Countersink Bit Same Size Bit Replacement Only, Countersink Replacement Drill Bit FTG Maximum Torque Wood Bits Secured with Pin

• Replacement tapered counter sinker drill bit set 3 Piece #10 (3/16") bit replacement Only (Without the 4 Flute cutter countersink counter-bore), made to replace the 3/16” bits of #10 countersink drill bit set for wood , with 1 Hex Wrench (1/8 inch Allen Key) included. Replacement bit countersink with hex shank compatible with 1/4" standard Quick Change chuck including impact drills.
• Countersink replacement bits made for countersink drill bits for wood. with wider flute for increased chip flow. Replacement drill bits have logo brand name laser printed on each countersink bit quick change 1/4" hex shank. Counter sinker drill bit replacement set, drill bits secured with pin, professional FTG drill countersink set Maximum Torque. Packaging set combination unique design protected by US Copyright Office.
• Replacement countersink drill bits with pointed tip and wide flute for drilling fast, clean pilot hole, ensures tight fit for screws. All FTG countersinks hex drill bit sets with tapered countersink bit can be replaced with FTG replacement taper drill bits countersink for extended wood bit. Countersink replacement drill bits designed as to work as wood drill bits. All same size replacement tapered drill bit for drill countersink.

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

• FOUR FLUTE STEP DRILL BIT - Ordinary step drills 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....