Best Inch Hex Shank Drill Bits in 2026

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.

HSS Titanium Coating - Classic HSS construction with titanium coating for capability and durability. The cutting edge is hardened and honed for sharpness, chatter-free design with staggered cutting teeth ensure the precise countersinking and hole smooth clean.

Flutes Form - 2 flutes form helps clear chips and debris away from the bit, decreasing friction and heat for a faster, cooler drilling process.

Quick Change - 1/4 inch hex shank fits into all power tools more easily and securely, specially for locking into quick change chuck. We also offer a quick-change adapter to better quick change.

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

Speed Tip Reduces Walking

Ideal for drilling in metal, wood, and plastics

No spin shanks

No-skate tip for clean and accurate starts

Titanium coating generates less friction for 2X longer life

Three-flat shank promotes better grip on bits 3/16-Inch and larger

Cobalt M42 drill bit – provides upgraded M42 Cobalt jobber-length bits designed for durability, high heat resistance and Hardened surface for stainless steel, cast iron, titanium, light-gauge metal and aluminum

Enhanced M42 alloy material – contains 8% Cobalt alloy that delivers 10x life vs. Standard bits

High-heat resistant bits – withstand high-temperature applications for extended periods of time

VERSATILE: For carbon steel, light gauge metal and hardwood applications

PREMIUM: Provides 2X life over standard impact drill bits

UNIVERSAL FIT: The TI9IM titanium drill bit set universally fits 90% of current drill/drivers including Bosch, Dewalt, Hitachi, Makita, Milwaukee, Metabo, Skil, Porter-Cable, and Craftsman

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).

【 Exquisite workmanship】Durable taps are made of high speed steel, which can ensure sharp, fast execution and retain strength and efficiency. The surface is treated with a titanium alloy, which greatly improves the cutting performance of the drill, is more wear-resistant and prolongs the service life.

【Ergonomic design】The product portfolio includes SAE and metric sizes, so it has high versatility. Each tap drill is engraved with a label, which is convenient for you to choose the size that suits you. The convenient ¼-inch (6.35mm) hex shank has a tapered end to prevent excessive knocks. Back taper exceeds the tap to prevent over-drilling and damage to the thread.

【High efficiency 】 They are taps with drilling function, three-in-one operation, which can drill, tap, deburr and counter holes on copper, brass, aluminum, metal sheet and plastic at the same time, so as to quickly , Complete work completely, greatly save processing steps and time costs, and improve work efficiency.

HIGH QUALITY MATERIAL: 5% Cobalt High Speed Steel M35 provide extended tool life compared to ordinary drill bits. Durable and strong

TWIST DESIGN & PERFORMANCE: PRECISE 135°SPLIT POINT, gold oxide finish and round straight shanks. Prevent walking, clear chips and particles faster.Produced by precision fully ground which ensures chips move smoothly.

PROFESSIONAL & WIDELY USE: M35 Cobalt HSS is more suitable for hardened material. Particularly successful in cutting through hard metals such as stainless steel, cast iron, high temperature alloy, titanium alloy, hard plastics and woods, and also can be used for softer materials.

The product is 5/16" Titanium Nitride drill bit, industrial grade steel, 135 Degree split point, Parabolic flute design, Light gauge metals, extra hard titanium nitride coating

Easy to use

The product is manufactured in China

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.

Material: Titanium Combination Drill taps are made of HSS 4341, High hardness, rustproof, solid and durable; Each tap drill is engraved with a size making, which is convenient for you to choose the size that suits you.

Easy Use: Fast replacement composite cone, uses drill edged principle. Drilling and tapping in one, one-step processing, greatly save processing steps and time costs, improve working efficiency.

Metric: M3x0.5, M4x0.7, M5x0.8, M6x1, M8x1.25, M10x1.5.Shank:1/4 inch (6.35mm) hex quick-change shank, fit Electric hand drill, impact drill, bench drill, electric screwdriver and other tap machines.

WIDE APPLICATIONS - compatible with power screwdrivers, impact drivers, and other tools that accept 1/4" hex shanks, allowing for quick changing between multiple drill bits and screwdriver bits with just one power tool. suitable for soft metal, woodworking, home improvement, DIY lovers etc;

UPGRADED STRUCTURE - press in pin connection makes the bit and hex shank an integrated structure to prevent break off during drilling, greatly reduced the risk of drill bit snapped off from the hex drive;

ELIMINATES WOBBLING & CHATTER - the final straighten process is added before shipping from the factory. which keep the bit in a straight line during rotation and reduce chatter;

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

This IRWIN Unibit step drill bits feature single-flute cutting edges for greater control through steps

These IRWIN Unibit step drill bits have a hex shank to help prevent slipping in the drill chuck

IRWIN Unibit step drill bits use a nonskid, self-starting tip to minimize skidding and center punching

[What You Will Have] Set of 6 metric tap drill bit set M3x0.5 M4x0.7 M5x0.8 M6x1 M8x1.25 M10x1.5 Short size is not easy to shake and can drill accurately

[Easy Use]Fast replacement composite cone uses drill edged principle Drilling and tapping in one, one-step processing, which can drill, tap, deburr and counter holes on wood, copper, brass, aluminum, sheet metal and plastic greatly save processing steps and time costs, improve working efficiency

[Material] HSS4341 (high-speed steel) + titanium coating. Each tap drill is engraved with a size making, which is convenient for you to choose the size that suits you

HSS Titanium Coating - Jefe Hex Titanium (TIN) coated Drill Bit can offer 3 times longer life than drill bits without coating.

Hex Shank - 1/4 inch Hex shank can be fit in quick-change chuck easily. And it can transit high torque from power tools to the working part of drill bit. Hex shank also eliminates the frustration of shank spinning in chuck. There is an ENHANCED TAPERED WEB in the drill bit that greatly increases the drill bit's strength and reduces premature breakage.

Accuracy - 135° split point geometry ensures accurate start and reduces walking on the working surface. Solid bonding technology eliminates radial runout and improves concentricity. High torque, Impact-rated.

【Package & Size】 Size range: 1/16"x3, 5/64"x2, 3/32"x2, 7/64"x2, 1/8“x2, 9/64", 5/32"x2, 11/64", 3/16"x2, 13/64, 7/32, 15/64, 1/4, 5/16, 3/8, 1/2. Most frequently used size range with extra small size drill bits. All drill bits are kept in a strong and professional plastic case with indexed holder which is convenient for storage and pick-up.

【Wide Applications】 Jefe Hex drill bit sets are built for general purpose applications, such as DIY projects, home maintenance and MRO (Maintenance, Repair and Operations). Working materials include steel, copper, aluminum, zinc alloy, cast iron, wood and plastics.

【HSS Titanium Coating】High speed steel (HSS) with titanium coating gives Jefe Hex drill bits great durability and prolongs 3 times longer life than drill bits without coating.

[Specifications and packaging]: 6 Piece flat wood spade drill bit set.Include size:3/8",5/8",1/2",3/4",7/8",1".

[Function]: Woodworking paddle flat bits allow accurate drilling of most types of wood as well as fiberglass, PVC.

[Material]: The wood bit set is made of carbon steel construction with titanium coating.

Strength & Hardness - Tapered web enhances strength and durability. Titanium coating adds lubricity and protection from abrasion. Increases drill bit lifetime. Jefe Hex drill bit with enhanced parabolic flutes promotes chip removal which decreases friction and heat. The tapered web adds strength.

Hex Shank - Quick change hex shank fits easily into all power tools and Impact drivers. Solid bonding technology manufacturing eliminates radial runout and improves concentrically. High torque, impact-rated accuracy.

Easy Cut Point - The 135° easy cut split point ensures a precision start, eliminates walking on the work surface which provides clean, accurate holes. No need for a center punch. More effective for drilling on curved surfaces.

【Process Treatment】 Titanium coated surface prevent rusting, which increase the hardness of the drill bit and reduces heat buildup, make the twist drill bit more wear-resisting for longer life.

【Twist Design & Performance】The 135° fast cutting point is automatically centered and penetrates quickly with less pressure, Prevent walking, clear chips and particles faster.

【 Flutes Form 】 2 flutes form helps clear chips and debris away from the bit, decreasing friction and heat for a faster, cooler drilling process.

【Premium HSS Titanium Coating】High speed steel (HSS) with titanium coating gives Jefe Hex drill bit great durability and prolongs 3 times longer life than drill bits without coating.

【Easy Cut Split Point】Jefe Hex Easy Cut Point design makes drilling easy with less pressure and prevents drill bit walking on the working surface. Fully ground modified parabolic flute design clears chips quickly, decreases friction and heat damage. Tapered web provides durability and reduces breakage.

【Quick Change】1/4" (6.4mm) hex shank fits into standard power tools and impact drivers. Jefe Hex drill bit’s solid bonding technology manufacturing eliminates radial runout and improves concentricity. High torque, impact-rated accuracy.

The product is easy to use

The product is durable

The product is manufactured in China

QUICK CHANGE DRILL BIT SET: Quick-change 1/4" drill bits with hex shank locks into both hex sleeves and quick release chucks like impacts for use in drilling steel, wood, plastic, aluminum alloy.

HEX DRILL BIT SET: Metal drill bits are titanium-coated drill bits roller forged from top quality high speed steel usable in drill presses.

HEAVY DUTY: Drill bits for impact driver are roller forged and sharpened edges provide fast penetration and durability suitable for repair, automotive, industrial and construction use.

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

🔧【Material】 HSS 4241 & classic high speed steel with titanium coating for strength and longevity.

😀【Package】 3-Piece HSS Groove Step Drill Bit (4-12/ 4-20/ 4-32mm ) + 1 Automatic Center Punch.

🔧【Easy Drilling】 Two-fluted design provides faster, smoother cutting, provided with small pressure and the sets. Stepped grooves prevent slippage in the chuck.

【Premium Material】Classic HSS construction with titanium coating for capability and durability. The cutting edge of these drill bits are hardened and honed for sharpness, chatter-free design with staggered cutting teeth ensures precise countersinking and hole smooth clean.

【Reduce Friction】2 Flutes form helps clear chips and debris away from the drill bits sets, decreasing friction and heat for a faster, cooler drilling process. NOTE:Please keep the workpiece stable and the drill bit VERTICAL to avoid breaking.

【Anti-walking drill bits】Precision 135 degrees angled points for increased cutting speed. The hexagonal handle can be more easily and safely installed in all power tools to prevent walking and falling off. Particularly suitable for locking the quick change chuck.

Convenient Size Variety: This 13-piece drill bit set includes everything you need for a user-friendly experience that suits all your needs. The set comes with: 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" bit set with 1/4 hex shank.

A Must For Professionals: Whether a professional wood worker, handyman or construction worker, or you simply enjoy the occasional house project as a relaxing hobby, the CaRoller metal drill bits for steel are an excellent assortment for ensuring perfect holes and plugs!

Heavy Duty Construction: This drill bit sets made with durable material which ensures long-lasting use and superior wear resistance!

【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