homehealthfamily 
Best results for cobalt step drill bit
CO-Z Step Drill Bits, HSS 5PCS Titanium Step Drill Bit Set, 50 Sizes in 5 High Speed Steel Unibit Drill Bits Set for Sheet Metal with Aluminum Case, Multiple Hole Stepped Up Bits for DIY Lovers
$21.88
$26.26
Amazon.com
Last update was on: December 6, 2023 4:01 am
- Extreme Durabikity: Cobalt high speed steel drill bits along with the titanium coating ensures extreme durability, will stay new and shiny for years to come.
- Different Sizes of Holes Can Be Drilled: Different sized shanks ensure compatibility with 1/4, 3/8 and 1/2 in. chuck sizes. You are capable to drill holes in different sizes which can meet your normal needs.
- Smooth Drilling: Non-walking drill tip provides fast and smooth drills on steel sheets, aluminum sheets, wood board, plastic board etc. (the board must be smaller in thickness than the height of step drill bits).
Step Drill Bit Set & Automatic Center Punch 5pcs HSS Cobalt Titanium Step Drill Bit Set, Multiple Hole 50 Sizes High Speed Step Drill Bit Set with Aluminum Case
$22.99
$25.52
Amazon.com
Last update was on: December 6, 2023 4:01 am
- 50 SIZES IN 5 PIECES STEP DRILL BITS: The bits set includes five standard step drill bits that can replace 50 individual drill bits and process 50 different kinds of diameter holes, compatibility with 1/4, 3/8 and 1/2 in. chuck sizes.
- 135 DEGREE SPLIT POINT AND TWO-FLUTE DESIGN:The drill bit point is designed as X-shape with 135 degree, which can prevent the drill slipping while working in high speed. With two-flute design, provides a faster and smoother cutting.
Irwin Industrial Tools 10234CB #4 Unibit 3/16- Inch – 7/8-Inch, 12-Steps Cobalt Step Drill Bit (1/16- Inch Steps)
$45.00
$57.15
Amazon.com
Last update was on: December 6, 2023 4:01 am
- Cobalt high speed steel for extended cutting edge life makes it ideal for drilling stainless steel
- Drills 12 different hole sizes, from 3/16" to 7/8" 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
HYCLAT 5pcs Titanium Step Drill Bit, Hss Cobalt Multiple Hole 50 Sizes High Speed Metal Steel Step Drill Bit Set with Aluminum Case
$19.99
$24.99
Amazon.com
Last update was on: December 6, 2023 4:01 am
- 5pcs step drill bit IN 50 SIZES - each one step drill bit can drill several bore diameters. It's can work as 50pcs twist drill bits.You do not to replace drill bit constantly with the step drill bits.
- TITANIUM | HIGH SPEED STEEL: classic high speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metaland.
TEMO M35 Cobalt double flute step drill, 9 size from 1/4 inch (6.4mm) to 3/4 inch (19mm), 3/8 inch (9.5mm) shank
$18.49
$22.93
Amazon.com
Last update was on: December 6, 2023 4:01 am
- M35 cobalt step drill 3/8" (9.52mm) shank 9 hole 1/4" (6.35mm) to 3/4" (19.05mm)
- 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
- Smooth cutting double-fluted design for true round hole
- Self-starting for clean holes in thin materials
Neiko 10169A Titanium Step Drill Bit Set with Automatic Center Punch, 5-Piece | High Speed Steel | SAE | Total 41 Sizes
$21.49
$31.81
Amazon.com
Last update was on: December 6, 2023 4:01 am
- Classic high speed steel with titanium coating for drilling holes in plastic, aluminum, copper, stainless steel, and many other sheet metal types
- Two-flute design deburrs during drilling, clearing chips faster and allowing particles to escape for cleaner operation
- Each step drill bit features a tri-flatted shank for a secure fit into power tool chucks, eliminating slip
- Automatic center punch creates spring-loaded high-impact strike against surfaces
Segomo Tools 5 Piece SAE Multiple Hole 50 Sizes HSS Cobalt Step Drill Bit Set with Aluminum Case
$20.99
$30.86
Amazon.com
Last update was on: December 6, 2023 4:01 am
- 5 piece step drill bit set (50 sizes in total) with non-walking drill tips
- Made from cobalt high speed steel with titanium coating for long life and easy cutting/drilling through steel sheets, aluminum sheets, wood board, plastic board etc.
- Different sized shanks ensure full compatibility with 1/4, 3/8 and 1/2 inch chuck sizes
- Set includes: Drill Bit 1: (3/8". 10 Steps): 1/4, 3/8, 1/2, 5/8, 3/4, 7/8, 1, 1-1/8, 1-1/4, 1-3/8. Drill Bit 2: (3/8". 12 Steps): 3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8. Drill Bit 3: (3/8". 9 Steps): 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4. Drill Bit 4: (1/4". 13 Steps): 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. Drill Bit 5: (1/4". 6 Steps): 3/16, 1/4, 5/16, 3/8, 7/16, 1/2
set of 3 HSS6542 M2 Steel Spiral Groove Step Drill Bit Set for Stainless Steel Metal Wood Hole
$26.31
$30.26
Amazon.com
Last update was on: December 6, 2023 4:01 am
- Suit for use in hardness under 28 artifacts,(Such as: Stainless steel , 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.
Senrob 5 Pcs Step Drill Bit Set with Automatic Center Punch& Aluminum Case, High Speed Steel Titanium Cobalt Bits for Metal
$21.99
$32.33
Amazon.com
Last update was on: December 6, 2023 4:01 am
- Package Includes: 5 x step drill bits，1 x automatic center punch，1 x aluminum case
- Wide Applications: 50 hole size choices to cut through iron, aluminum, PV and insulating plate as well as other types plates easily
- Durable Materials: ability of oxidation resistance, no rust and wear, long service life with titanium and cobalt plating coating
- Unique Shape: straight grooved is for excellent heat dissipation and chip removal, v-type opening design ensures cutting faster and smoother
Lichamp M2 Step Drill Bit Impact, Genuine High Speed Steel Step Bit with 19 Step Sizes | 3/16 to 1-3/8 | for Cutting Holes On Sheet Metal, Steel, Wood, Aluminum, Plastic etc.
$35.99
$43.19
Amazon.com
Last update was on: December 6, 2023 4:01 am
- 1) ONE BIT FOR ALL: High-visibility silver targets for primary 19 hole sizes
- come with 19 sizes (3/16", 9/32", 3/8", 7/16", 17/32", 5/8", 11/16", 25/32", 7/8", 29/32". 31/32", 1", 1-1/16", 1-1/8", 1-5/32", 1-7/32", 1-9/32", 1-5/16", 1-3/8") so you can drill up holes with different diameters, saving your time and efforts to change bits.
- 2) DURABLE & STURDY: Solid M2 high speed steel construction for extra durability, the unique thick 3/8 inch hex shank prevents slip in drill chuck and reduces shocks, for a more positive grip.
CO-Z Cobalt Added M35 Step Drill Bit, Spiral Step Drill Bit, Unibit Drill Bit for Cutting Drilling Holes On Stainelss Steel, Steel, Metal Sheet, Multiple Hole Stepped Up Bit for Professionals
$28.00
$32.20
Amazon.com
Last update was on: December 6, 2023 4:01 am
- DURABLE & STURDY W/COBALT ADDED, solid M35 molybdenum high speed construction with cobalt added for extra durability, close to impossible to snap compared conventional drill bits, the unique 3-sided shank prevents slip in drill chuck and reduces shocks
- oiling the bits recommended before every use to maximize the service life.
- JAM-FREE PERFORMANCE, dual-flute design and three-sided shank design is optimized for cordless drills in high speed provides greater speed and control while minimizing steel scurf flying around, to lengthen service life, please do not set drilling speed at its maximum to avoid damage to the cutting edge.
XT AUTO 5pcs HSS High Speed Steel Cobalt Titanium Step Drill Bit Multiple Hole 50 Sizes Stepped Drill Bits
$17.99
$24.65
Amazon.com
Last update was on: December 6, 2023 4:01 am
- The sharpness and titanium coating ensures easily cut through most sheet metal,aluminum sheets, wood board, plastic board, and some other materials with ease.
- Non-walking drill tip provides fast and smooth drills on steel sheets, aluminum sheets, wood board, plastic board etc. (the board must be smaller in thickness than the height of step drill bits).
- Cobalt high speed steel along with the titanium coating ensures extreme durability, will stay new and shiny for years to come.
