Best Zaamsoa in 2026

Efficient Drilling: This step drill bit set delivers fast, precise holes with its sharp, durable cutting edges, making it ideal for metalwork and DIY projects.

Tough and Durable:Aluminum Titanium Nitride Coating - With Rockwell hardness (HRC) 89°, harder materials can be cut, and higher cutting speeds can be achieved. The M35 cobalt drill bit is also less prone to chipping when used for interrupted cuts.

Enhanced DIY Experience: Three Spiral Flutedesign.guarantees a faster and smoother cutting, allows swarf escape easily.Take your DIY projects to the next level

Efficient Drilling: This step drill bit delivers fast, precise holes with its sharp, durable cutting edges, making it ideal for metalwork and DIY projects.

Tough and Durable:Aluminum Titanium Nitride Coating - With Rockwell hardness (HRC) 89°, harder materials can be cut, and higher cutting speeds can be achieved. The M35 cobalt drill bit is also less prone to chipping when used for interrupted cuts.

Enhanced DIY Experience: Three Spiral Flutedesign.guarantees a faster and smoother cutting, allows swarf escape easily.Take your DIY projects to the next level

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.

Titanium Nitride Coated two flute spiral design provides longer life and better chip removal for the DEWALT drill bit set

Split point tip of the drill bit increases speed

Laser engraved numbers increases step visiblity

Two flutes on this Step Drill Bit cut faster and keep bit cooler

Fast-starting, non-walking drill tip

High-visibility silver targets for primary hole sizes

Two flutes on this Step Drill Bit cut faster and keep bit cooler

Fast-starting, non-walking drill tip

High-visibility silver targets for primary hole sizes

42-piece set of screwdriver bits; impact tough for longer life compared to standard impact bits

Includes a variety of Phillips, Slotted and Torx sizes

Long-lasting engineered tips provide enhanced strength that can handle high-torque impact drivers

DURABLE AND PRECISE – Constructed with High Speed Steel (HSS) which provides a combination of hardness and toughness for wear resistance to take on intricate drilling tasks where accuracy is critical.

MULTIPLE USES – Gyros Wire Gauge Micro Drill Bits can be used with a wide range of hand and motorized tools for a better experience. These Straight Shank Mini Bits allow use with a wide variety of tool holding systems. Use with Gyros Mini Adaptor Chuck 45-01803 to use with most power rotary tools. Use with Gyros Swivel Head Pin Vise 97-01818 for all your hand drilling needs.

COMPLETE 11 PIECE SET - Gyros Mini Drill Bit Set comes complete with a range of small diameter twist drills sizes #50 (.0700”/1.778mm) through #60(.0400”/1.016mm) and therefore is preferred by Professional Craftsmen, Model Makers, Hobbyists, Jewelers, and Do-It-Yourself enthusiasts, and is a Must Have for all your drilling tasks.

DURABLE AND PRECISE – Constructed with Carbon Steel (CS) which provides a combination of hardness and toughness for wear resistance to take on intricate drilling tasks where accuracy is critical.

MULTIPLE USES – Gyros Wire Gauge Micro Drill Bits can be used with a wide range of hand and motorized tools for a better experience. These Straight Shank Mini Bits allow use with a wide variety of tool holding systems. Use with Gyros Mini Adaptor Chuck 45-01803 to use with most power rotary tools. Use with Gyros Swivel Head Pin Vise 97-01818 for all your hand drilling needs.

COMPLETE 11 PIECE SET - Gyros Mini Drill Bit Set comes complete with a range of small diameter twist drills sizes #50 (.0700”/1.778mm) through #60(.0400”/1.016mm) and therefore is preferred by Professional Craftsmen, Model Makers, Hobbyists, Jewelers, and Do-It-Yourself enthusiasts, and is a Must Have for all your drilling tasks.

STEP DRILL #12 3/8"

STEP DRILL #12 3/8"

STEP DRILL #12 3/8"

Extreme Durability: 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).

HSS STEP BIT: Classic stepdrill bit constructed of high-speed steel with titanium coating 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.

SPRING LOADED CENTER PUNCH: Our 5-inch automatic spring punch tool is a great tool for working with materials like wood, plastic, metal, and leather. Centering tool is spring loaded with an adjustable cap that accommodates any project.

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.

HSS Titanium Coating - High speed steel along with titanium coating ensures outstanding durability and sharpness, can reduces the friction, runs cooler.

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.

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.

FEATURES: 5pcs step drill bits enable 50 sizes - each step drill bit can drill several bore diameters. It's can work as 50pcs twist drill bits. You don't have to replace drill bit constantly for different bore sizes.

TITANIUM HIGH-SPEED STEEL: classic and sturdy 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 the metal sheet.

DOUBLE CUTTING BLADES & THREE-SIDED SHANK - Double cutting blades and X-type openings design ensure a faster and smoother cutting; 3-sided shank design prevents slip in drill chuck can cut through the wood, sheet metal, steel, and other surfaces.

1) 3 standard SAE step drill bits can drill 28 different size of holes on different thickness of materials. 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(detailed hole size and drill depth of each drill bit please check in Product description below)

2) Made of high quality high speed steel that is hard and sharp enough to drill through wood, plastic, steel and sheet metal

3) Titanium coated surface can reduce friction and overheat when drilling through material for longer life time

HSS Titanium Coating: The step drill has excellent sharpness and durability due to its high speed steel material and titanium coating

118° Split Point Tip & Dual-flute Design: increases cutting speed with self-centering and prevents walking, clears chips faster and allows particles to escape easily

50 Sizes in 5 Pcs: The step drill bit kit includes 5 standard pieces with totally 50 sizes for versatility, enough for your DIY needs

[Four groove step drill] - The ordinary step drill is easy to flex during the cutting process, but the four groove step drill is more stable in the cutting. The service life is twice that of ordinary ladder drills, the drilling accuracy is significantly improved, the cutting speed is faster when drilling, and it has a unique effect on stainless steel drilling.

[M35 Cobalt High Speed Steel] - M35 cobalt high speed steel can be obtained by proper heat treatment with high hardness , high red hardness and high wear resistance. Its toughness and bending strength are higher than that of ordinary high-speed steel, which is better for hard materials.

[TiAlN] -TiAlN coating is a new coating material in recent two years. It has high hardness, high oxidation temperature, good thermal hardness, strong adhesion, low friction coefficient and low thermal conductivity coefficient.

Durable HSS Drill Bit ----- High-speed steel makes it last longer than others, titanium coating ensure easily cut through iron sheets, aluminum sheets, copper & plastic & wood board and many other types of sheet metal with ease, and it can automatically deburr holes while drilling to keep the drill bit clean.

Titanium Coating ----- Coated with titanium, this step drill set performs well in heat, corrosion and rust resistance.

Revolutionary Design ----- Tri-flatted shank fits into power tools chuck securely and eliminates slip; two-flute design clears chips faster and allows particles to escape easily.

Dimensions: 5 pcs step drill bits enable 50 sizes - each step drill bit can drill several bore diameters. It can work as 50 pcs twist drill bits. You don't have to replace drill bit constantly with the step drill bits.

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. The protective aluminum case makes the drills not easy to dull, Canvas Bag will more light and easy to carry, both of them would be shipped randomly.

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 the metal sheet.

✔️ SHARPER | FASTER | Cut MORE holes: SHARPTOOL step bits are made of M2 High-speed steel which is much more stronger than ordinary HSS. This strong material makes it EASIER to drill holes especially in metal and ensures longer lifetime to cut MORE holes!

✔️ Surface NIRTIDING TREATMENT provides excellent wear resistance compared to titanium coating.

✔️ HIGH-VISIBILITY size marks for primary hole sizes will really save your time during drilling! 15 Step sizes allows you to drill holes of various diameters. You can easily stop on any hole size! Size includes 1/4", 11/32", 27/64", 1/2", 19/32", 11/16", 25/32", 7/8", 11/32", 1-3/64", 1-1/8", 1-7/32", 1-1/4", 1-5/16", 1-3/8".

🔨The bit comes with 19 sizes so you can drill up to 19 holes with different diameters, save the time and energy of replacing the drill bit and improve your drilling efficiency; 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")

🔨Solid M2 high speed steel construction for extra durability, the 3/8 inch thick hex shank prevents slip in drill chuck and reduces shocks.

🔨Double-Fluted design keeps the step drill stable and provides faster cutting and drilling, while minimizing the scattering of steel chips and prolonging the service life.

【Heavy Duty for Stainless Steel】 The Cobalt Drill Bits(1.3243 HSS) can drill 6X longer life and 2X faster. This Drill bits is heavy duty for Stainless Steel, Metal, Galvanized Steel, Aluminum,Iron, and Copper. If you want to drill faster and many holes on metal, please choose this step drill bit

【Cobalt Bit】 Prefect for Stainless Steel/Metal Sheet/Plastic/Aluminum Sheet/Copper and other metal sheets. This Drill bit can successfully drill more and more holes easily into Stainless Steel plate like knife through butter!

【120-DAYS WARRANTY】 - If not satisfied for any reason, please contact us for 100% refund or replacement

【High Quality Material】：Made from M35 high speed steel with cobalt for added durability, the Yougfin jobber twist bits are friction and heat resistant

【Dual Flutes】:Drill bits are rotary cutting tools that have two cutting edges and two flutes which are grooves formed in the body to provide cutting lips, to permit the removal of chips and to allow coolant or cutting fluid to reach the cutting action

【135° Split Point】：These bits have a small point angle of 135° and require less pressure when centering in the material. The point starts drilling at contact, reducing friction, pressure, and heat. The larger the point angle, the higher the contact pressure and the centering in the material requires more pressure

High speed steel along with titanium coating ensures outstanding durability and sharpness for plastic, aluminum, copper, stainless steel hole drilling

Two-flute design provides faster, smoother, accurate cutting and prevents metal scurf from flying around for improved safety

Quick change 1/4" hex shank (6.35mm)can be easily fit into power driver, drill and press drill

Specification: Cutting edge diameter (CED): 0.9mm; cutting edge length: 9.5mm; shank diameter: 3mm / 1/8" (approx.) overall length: 38mm / 1-1/2" (approx.)

Long Tool Life: With high hardness, high wear resistance, high strength, resistance to bending, anti-impairment. Made from Tungsten Carbide for precise, easy experience

Spiral Flute Bits: Tip spiral flute drill bits with sharper cutting edge, reduce cutting force and prevent drill broken, improve the drilling accuracy, and effectively discharge accumulated chips

Specification: Cutting edge diameter (CED): 2mm; cutting edge length: 10.5mm; shank diameter: 3mm / 1/8" (approx.) overall length: 38mm / 1-1/2" (approx.)

Long Tool Life: With high hardness, high wear resistance, high strength, resistance to bending, anti-impairment. Made from Tungsten Carbide for precise, easy experience

Spiral Flute Bits: Tip spiral flute drill bits with sharper cutting edge, reduce cutting force and prevent drill broken, improve the drilling accuracy, and effectively discharge accumulated chips

Pilot point drill bit set for drilling holes in wood, plastic, and metal, including cast iron and stainless steel

Includes a 14-piece set with various bit sizes and a carry case

Pilot point tip leads the way, beginning on contact for clean, precise results and reduced stalls

Impact driver bit set for use on electronic devices, home appliances, furniture, and more

Includes a 32-piece set with 31 bits and 1 magnetic bit holder

Made of durable, wear-resistant S2 steel with a black finish for rugged, reliable strength

【Step Drills and Cone Drill】3 piece 5/9/14 step drills (4-12/20/32mm) and 1 piece cone drill (8-20mm). Laser marking of step size provide convenient and accurate drilling

【Countersink Drill Bits】6 piece countersink drill bits: 6.3, 8.3, 10.4, 12.4, 16.5, 20.5mm - 90° point, three cutting edges, ideal for deep countersinking

【High Quality】All drills are HSS Titanium coated, come with 1/4" (6.35mm) hex shank, and are precision ground, heat treatment, and hardened for consistently accurate drilling or enlarging holes into sheet & non-ferrous metals, wood and plastics