Top 10 Step Drill Bit Double Fluted – Step Drill Bits

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1. Lichamp


Genuine High Speed Steel, LICHAMP Double Fluted Step Drill Bit for Cutting Metal Hole 19 Sizes from 3/16 to 1-3/8 inch

Lichamp #ad - 4 convenient & accurate: easy-to-read step rings save time when drilling common holes, for fast, offer superb convenience and accuracy, laser-engraved marks, easy hole size identification. 31/32", 1", 25/32", 17/32", 1-1/8", 1-1/16", 7/16", saving your time and efforts to change bits.

Thickness. 1 one bit for all: high-visibility silver targets for primary 19 hole sizes; come with 19 sizes 3/16", 1-5/16", 1-9/32", 3/8", 1-5/32", 5/8", 1-3/8" so you can drill up holes with different diameters, 1-7/32", 9/32", 11/16", 7/8", 29/32".33 high performance: double-fluted step Drill Bits provide faster cutting and drilling than single flute bits, it is optimized for cordless drills in high speed provides greater speed and control.

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. 5 universal compatibility: compatible with 1/4, aluminum or plastic, 1/2 electric drills or bench drills, metal, work for sheet steel, 3/8, designed for drilling on steel plates up to 0.2 in.
BrandLichamp #ad
ManufacturerLichamp #ad
Part NumberBITSM201BK

2. Klein Tools


1/8 to 1/2-Inch with Easy-to-Read Markings and Targets, Klein Tools KTSB01 Step Drill Bit Double-Fluted #1, 3/8-Inch Hex Shank

Klein Tools #ad - Two flutes on this Step Drill Bit cut faster and keep bit cooler. 1/32-inch increments. Made from high speed steel. High-visibility silver step targets for primary hole sizes. 13 hole sizes. Thick 3/8-inch hex shank provides a firm, positive grip and won't spin out in the drill. Fast-starting, non-walking drill tip.
BrandKlein Tools #ad
ManufacturerNorth Coast Electric #ad
Height0.2 Inches
Length5.3 Inches
Weight0.05 Pounds
Width3.4 Inches
Part NumberKTSB01

3. Jerax tools


Aluminum, Wood, Copper, Plastic, Unibit with highlighted steps and size marks, M2 High speed steel drill bits for hole drilling in Stainless steel, Jerax tools 3/16 to 7/8 Inch Step Drill Bit Straight Grooved Double Fluted

Jerax tools #ad - Heavy duty: cuts holes on stainless steel, mild steel, Wood, Copper, Plastic, galvanized steel, Hardened Metal, aluminum, or anything that has similar or lower hardness as these materials. Up to 12ga /2. 7mm thickness for Stainless steel. No need to stop in the middle of the drilling and check.

In general, m2 has 50% more tungsten and 150% more Molybdenum, both of which are key elements in improving durability. This one step bit comes with 12 sizes so you can drill 12 different hole sizes, 13/16", 7/16", saving you time and effort to change bits. Non-stop: our polished steps and size highlights let you able to see target hole size during drilling. Our additional vacuum heat treatment and Nitride surface hardening treatment make the performance even better.

Marked sizes include: 3/16", 5/8", 9/16", 11/16", 5/16", 1/4", 1/2", 3/8", 3/4", 7/8". Multi hole sizes: no need to buy a kit. M2 hss: cuts a lot more clean holes and much easier than average step bits. Easy & fast: with our high-accuracy cnc processing and several optimized design details over the years, FAST and CLEAN, our design cuts EASY, outperforming the average ones on the market. Save you time and hassle.
BrandJerax tools #ad
ManufacturerJerax tools #ad
Height3.55 Inches
Length0.98 Inches
Width0.98 Inches
Part NumberSTG7/8



Multiple Hole Stepped Drill Bit, TOOLEAGUE Drill Step Bit Double Fluted Step Drill Bit for Metal Heavy Duty, Genuine High Speed Steel Step Drill Bit Set 3 Pcs 29 Sizes

TOOLEAGUE #ad - The appropriate drilling speed is 250-400 rpm. Multiple hole drilling cone drill bit set:3 drill bits, our drill bit set includes 3 standard step drill bits, capable of drilling 29 holes of different diameters, 29 sizes, thus saving your time and effort.

Compared with traditional drills, the impact is minimal and it is almost impossible to break. Suitable for steel plate with a thickness less than 3MM. Applicable tools:the drill step bit suitable for pistol drill or bench drill, cooling water to extend its service life. The two-edged design makes the cutting smoother and makes the material particles easier to escape, thereby achieving a cleaner drilling operation. Step drill bit set:constructed of high-quality hss 4242, with high hardness, high strength and prolonged cutting edge life.

Hss double-fluted step bit kit:the stepped drill bit very suitable for home repairs and light jobs, copper, such as drilling holes in plastic, aluminum, wood and many other types of sheet metal. Step drills are good in terms of heat resistance, corrosion resistance and rust resistance under extreme temperatures. X-shaped opening design:the step drill bit set for metal heavy duty can facilitate the removal of cutting waste when drilling.
ManufacturerTOOLEAGUE #ad
Part Number497



3/8 Inch Shank, 9 Size From 1/4 Inch To 3/4 Inch, TEMO M35 Cobalt Double Flute Step Drill

TEMO #ad - M35 is similar to m2, plastic, metal, but with 5% cobalt added. The addition of cobalt increases heat resistance. The step drill bit is made with m35 cobalt. Smooth cutting double-fluted design for true round hole; Self-starting for clean holes in thin materials.

M35 hssco is a high speed steel alloy made up of 5% cobalt. 9 hole sizes: 1/4" 6. 35mm, 7/16" 11. 11mm, 1/2" 12. 7mm, 5/8" 15. 88mm, 9/16" 14. 29mm, 3/8" 9. 52mm, 3/4" 19. 05mm, 5/16" 7. 94mm, 11/16" 17. 46mm, with 1/16" 1. 59mm increments. 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 cobalt step drill 3/8" 9. 52mm shank 9 hole 1/4" 6. 35mm to 3/4" 19. 05mm. M35 is also less prone to chipping when used for interrupted cuts.
BrandTEMO #ad
ManufacturerGolden Coulee #ad
Height1 Inches
Length3 Inches
Weight3 ounces
Width1 Inches
Part Number3049



PANMAX Step Drill Bit Double-Fluted,3/16-Inch to 7/8-Inch,3/8-Inch Shank,HSSM2 Material

PANMAX #ad - Surface treatment:Each drill bit has a Nitriding treatment that adds durability. Universal compatibility: compatible with 1/4, 1/2 electric drills or bench drills, work for sheet steel, 3/8, metal, aluminum or plastic, designed for drilling on steel plates up to 0.

2 in. High quality:easy-to-read step rings save time when drilling common holes, for fast, offer superb convenience and accuracy, laser-engraved marks, easy hole size identification. Material:made from upscale m2 high speed steelfor durability, After heat treated and hardness can reach HRC62-63. Thickness. Size:include 12 hole sizes3/16", 3/8", 13/16", 7/16", 7/8" so you can drill up holes with different diameters, 11/16", 1/4”,5/16", 5/8", 1/2", 9/16", 3/4", saving your time and efforts to change bits.
BrandPANMAX #ad
ManufacturerPANMAX #ad
Weight3 ounces



Hss Cobalt Multiple Hole 50 Sizes1/8''-1 3/8'', High-Speed Metal Steel Drill Double Side with Aluminum Case, HYCLAT 5 pcs Titanium Step Drill Bits Set & Automatic Center Punch

HYCLAT #ad - Titanium high-speed steel: classic high-speed steel with titanium coating for proven capability and durability in drilling holes in plastic, copper, aluminum, and many other types of metal sheet. It can work as 50 pcs twist drill bits.

What you get - hyclat step drill, aluminum case, 24 months warranty - Ideal Gift for Father's Day, automatic Center Punch, Perfect for DIY lover. Double cutting side & three-side shank - double cutting side and X-type openings design ensures a faster and smoother cutting; 3-sided shank design prevents slip in drill chuck can cut through the wood, steel, sheet metal, and other surfaces.

You don't have to replace drill bit constantly with the step drill bits. Dimensions: 5 pcs step drill bits enable 50 sizes - each step drill bit can drill several bore diameters. Automatic center punch - the center punch delivers an automatic, high-impact, spring-loaded strike-through adjusting the cap; it has a deeply knurled surface for nonslip control.
BrandHYCLAT #ad
ManufacturerHYCLAT #ad
Part NumberHSD000206

8. Aimeiya


Titanium Coated, HSS Multi Size Hole Stepped Up Unibit for DIY Lovers,3pcs, High Speed Steel Drill Cone Bits for Sheet Metal Hole Drilling Cutting, Step Drill Bit Set

Aimeiya #ad - Bit #1 6 steps: 3/16", 15/32", 1/2", 3/8", 3/16", 3/4". Set includesthe cone drill bits set includes 3 common sizes for versatility. Double cutting blades designthe hss step drill bit set is designed with double cutting blades, which provides faster, smoother and accurate drilling.

Suitable for home diY, which can cuts through steel, and general building/ engineering use. T slippage and shedding during the rotation. Well performed the multiple hole drill bit set include 28 size, sheet metal, wood board and other surfaces creating relatively clean holes as you drill. Tri-flatted shank each unibit step drill bit optimally fits into power tools such as impact drill chucks securely and eliminates slip for higher efficiency of output. If you are not fully satisfied with the step bit for any reason, 11/16", 7/16", 7/16", 7/16", 1/4", 5/16", 3/8", 3/8", 1/4", 1/2"; bit #2 13 steps: 1/8", 13/32", 5/16", 5/8", 7/32", 1/2"; bit #3 9 steps: 1/4", 5/16", 9/32", 9/16", 11/32", 5/32", please contact us for 100% refund or replacement.

Quility step drill bits the step drill bits are made of classic high-speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, copper, wood board, stainless steel and many other types of sheet metal.
BrandAimeiya #ad
ManufacturerAimeiyat #ad
Part NumberAMY-07



Titanium Coated, Short Length Drill Bit, High Speed Steel, Double Cutting Blades, Total 10 Sizes, COMOWARE Step Drill Bit

COMOWARE #ad - Size includes - one drill with 10 steps: 1/4", 7/8", 3/4", 5/8", 1-1/4", 3/8", 1-1/8", 1/2", 1", 1-3/8" can fit the majority of brands currently on the market. Safety and stability- the 3 flat shank is better clamped on the pistol drill to prevent slippage and shedding during the rotation.

Suitable for home dIY, and General Building/ Engineering Use. Design - the split point tip is at 118 degrees to increase the wear resistance. The two flute design provides a smoother cutting, allows the material particles escape easily for a much more clean drilling operation. 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 steel sheets/ aluminum sheets/ copper/ plastic/ wood board and many other types of sheet metal with ease countersunk. Hss titanium coating - high speed steel along with titanium coating ensures outstanding durability and sharpness, can reduces the friction, runs cooler.
ManufacturerCOMOWARE #ad

10. CO-Z


Big Multiple Hole Stepped Up Bit for DIY Lovers, CO-Z Large HSS Spiral Groove Step Drill Bit, 12 Sizes Titanium High Speed Steel 1/4" to 2-3/8" Drill Bit for Sheet Aluminium Metal Wood Hole Drilling

CO-Z #ad - 12 hole sizes: 1/4; 3/8; 19/32; 3/4; 1'; 1'3/16; 1'3/8; 1'5/8; 1'3/4; 2'; 2'3/16; 2'3/8. The step drill bit is made from upgraded high speed steel characterized by well-balanced toughness, wear resistance and red hardness properties for better and faster hole -drilling performance.

Our drill bit is bigger in size so it can drill holes with larger dimensions. The titanium coating makes the drill bit more durable so that it can last for years with uncompromised quality. The rapid strike tip drills twice as fast as the average step drills and can drill acrylic, wood, PVC, aluminum and iron sheets up to 0.2’’ in thickness. The dual-flute design prevents metal fillings from flying around and clears chips faster thus it can drill more smoothly without heating up.
BrandCO-Z #ad
ManufacturerCO-Z #ad
Part NumberSDB0001TA