Best Inch Twist Drill Bits in 2026

Versatile: This set includes a wide variety of both driver bits and drill bits as well as a selection of accessories to help assist in a number of drilling and fastening applications

Quality: The included driver bits feature designs to lessen damage to the screw head and provide better bit gripping Power; The split drill bit tips provide easy drilling starts and are ideal for a variety of applications such as wood, metal, masonry and more

Convenience: With such a wide variety of bits and accessory options, this set is deal for everyday tasks from the garage to the workshop to the home

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.

Speed Tip Reduces Walking

Ideal for drilling in metal, wood, and plastics

No spin shanks

The product is 1/4" Titanium Nitride drill bit, industrial grade steel

Easy to use

The product is manufactured in China

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

115 PIECES INCLUDED: 29pcs Fractional Size:1/16” to 1/2” in 1/64th increments; 26pcs Letter Size: A To Z; 60pcs Numbered Size: #1 To #60.

HSS WITH 5% COBALT: Durable, Higher Heat & Abrasion Resistance.

PRECISE 135° SPLIT POINT & TWIST DESIGN: Prevent walking, clear chips and particles faster.

Premium Material: Manufactured from high speed steel for strength and durability

Storage: Supplied in a plastic storage box for easy storage and transportation

Widely Used: The 135° fast cutting point is automatically centered and penetrates quickly with less pressure,The drill kit meets all your requirements, including all common size specifications for Wood/Cast Iron/Aluminum Alloy/Plastic/Fiberglass

Withstands high-temperature applications for extended periods of time (up to 1,100 degreeF)

Rigid, thick web design adds stability to bit in tough applications

Surface hardened to penetrate tough abrasive materials

【10Pcs 1/4" TWIST DRILL BITS】10Pcs - 1/4”(Dia 6.35mm) x 2-3/4”(Flute Length 69.85mm) Metal Drill Bits.This drill bit fits the majority of power drill currently on the market and come with a portable plastic case for easy storage and organization.

【PREMIUM HSS TITANIUM Coating】Industry grade 4341 high speed steel drill bit set, harder than 4241 HSS used in other similar drill bits set. Titanium coating increases wear-resistance and durability.

【FULLY GROUND PROCESS & 135° SPLIT POINT】Fully ground spiral groove design clears particles quickly, decreases friction and heat for a faster and cooler drilling performance. 135° Split Point with straight shank prevents walking and makes drilling precise. No center punch is needed.

Convenient Size Variety: This 29-piece 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", 17/64", 9/32", 19/64", 5/16", 21/64", 11/32", 23/64", 3/8", 25/64", 13/32", 27/64", 7/16", 29/64", 15/32", 31/64", 1/2" bits.

A Must For Professionals: The CaRoller drill bits sets are an excellent choice for professionals as well as DIY enthusiasts, enjoying superior durability and including various sizes that go well with your multiple needs.

Heavy Duty Construction: This wood drill bit set is made with premium grade, highly durable materials, a combination of W4 high speed steel, amber coating and black oxide finish which ensures long-lasting use and superior wear resistance!

DRILLING AIN’T EASY: Drilling quickly and accurately into different materials requires choosing the appropriate drill bit type. Get it done right with The Hi-Spec Multi Metric Drill Bit Set. The perfect complement for those everyday drilling jobs in wood, plastics, metal, drywall, masonry, concrete and brick

78 HSS BITS: High-Speed Steel (HSS4241) round-shank twist drill bits, stronger than normal high-carbon steel, for most metals, wood, drywall and plastics. Titanium coated for wear resistance and reduced friction. Sizes 1/16, 5/64, 1/8, 5/32, 3/16, 1/4, 5/16, 3/8”

26 BRAD POINT WOOD BITS: Their sharpened edges easily cut and churn out wood, drywall and plastics. Also known as spur point bits, piercing tips allows for non-slipping and accurate starts. Sizes 5/32, 3/16, 15/64, 5/16, 3/8"

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.

Cobalt drill bits: Classic 5% Cobalt M35 High Speed Steel construction with Titanium Coating for proven capability and durability.

Hardness: 5% Cobalt drill bits’ Rock wall Hardness Level HRC 65-66.

Package & Size: 10 Pieces drill bits in a plastic bag, Diameter 9/64 inch, Total length 2-7/8 inch, Working length 1-3/4 inch.

DRILL BITS SIZE: Jefe Hex 115 pcs set includes 29 pcs fractional sizes from 1/16" to 1/2" by 64ths increments; 26 pcs letter sizes from A To Z; 60 pcs wire sizes from #1 to #60. Almost cover all sizes you would use.

COBALT JOBBER DRILL BITS:115 pcs high speed steel with 5% cobalt drill bit set can resist high heat abrasion while drilling. M35 cobalt HSS twist drill bits is more suitable for hardened working material. Particularly adapt to drilling stainless steel, cast iron, high temperature alloy, titanium alloy and even hard plastics, and woods. Can also be used for soft materials.

TWIST DRILL BITS: Premium HSS with 5% Cobalt and 135° split point drill tip design guarantee 115 pcs drill bit keeping sharpness while drilling hard materials and prevent tips walking on the working surface. Proper twist and flute design clears chips and particles fast.

TWIST DRILL-BIT SET: Each steel drill bit features an angled tip, a twist style, and a 135-degree split point for precise self-centering. Designed to increase cutting speed, these drill bits prevent walking to quickly clear chips and particles.

QUALITY TITANIUM BITS: These drill bits are constructed of high-speed steel with a titanium nitride coating, providing a high surface hardness to help penetrate tough materials. The steel also reduces friction between the bit and the workpiece.

VERSATILE LEFT-HAND PIECES: The special left-hand design is ideal for use with reversible drills with screw extractors to remove broken fasteners, screws, bolts, and studs during home repairs, automotive garage projects, professional work, and more.

Premium cobalt high speed steel construction for proven capability and durability to drill holes in wood, plastic, aluminum, copper, stainless, sheet metals and many other types of materials

Superior gold titanium and black nitride dual coating finish holds up lubricant better for smoother drilling, and is 80% more durable and corrosion resistant than regular black enamel finish

135° Split point design at tip increases cutting speed with self-centering feature and prevents drill walking or wobbling

【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.

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.

HIGH QUALITY MATERIAL: 5% Cobalt High Speed Steel M35 provide extended tool life compared to ordinary drill bits.Durable, Higher Heat & Abrasion Resistance.

PRECISE 135°SPLIT POINT & TWIST DESIGN: Prevent walking, clear chips and particles faster.

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.

Features: Cutting Edge Diameter : 12.5mm / 0.49"; Shank Diameter : 12.5mm / 0.49"; Cutting Edge Length: 102mm / 4.02"; Total Length : 150mm / 5.91"; Cutting Direction: Right Hand

High Speed Steel Tool: High-speed steel straight shank tool is good for most general purpose applications, offering a combination of hardness and toughness for wear resistance

Sharp Spiral Flutes: Provide neat and smooth cuts. High cutting edge strength, fast cutting speed. Spiral groove facilitates the export of metal chip, saving time and effort in operation.

【Drill Bit Set】: 29 sets of drill bits includes 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", 17/64", 9/32", 19/64", 5/16", 21/64", 11/32", 23/64", 3/8", 25/64", 13/32", 27/64", 7/16", 29/64", 15/32", 31/64", 1/2". This 29 PCS M35 twist drill bit set meets all your needs

【Features of M35 Cobalt】: M35 cobalt drill bit set can effectively drill rigid and high-tensile strength materials. The drill bit is especially suitable for cutting hard metals, such as stainless steel, cast iron, super alloys, titanium alloys, rigid plastics, and wood. It can also be used in soft materials

【135 Degrees Point】: Cobalt drill bit set can be effectively used for most hard and soft objects, 135 degrees point nib and twist design, improve cutting speed, self-centering, prevent walking, and speed up the removal of debris and particles

PREMIUM MATERIAL: Manufactured from 4241 high speed steel for strength and durability

STORAGE: Supplied in a plastic storage box for easy storage and transportation

Widely USED: The 135° fast cutting point is automatically centered and penetrates quickly with less pressure,The drill kit meets all your requirements, including all common size specifications for Ideal Drilling in Wood/Cast Iron/Aluminum Alloy/Plastic/Fiberglass

Features: Cutting Edge Diameter : 8mm / 0.31"; Shank Diameter : 8mm / 0.31"; Cutting Edge Length: 75mm / 2.95"; Total Length : 115mm / 0.59"; Cutting Direction: Right Hand

High Speed Steel Tool: High-speed steel straight shank tool is good for most general purpose applications, offering a combination of hardness and toughness for wear resistance

Sharp Spiral Flutes: Provide neat and smooth cuts. High cutting edge strength, fast cutting speed. Spiral groove facilitates the export of metal chip, saving time and effort in operation.

TOP QUALITY CARBIDE MATERIAL: The center drill bit is made of Top quality HSSCO M35. Compared with ordinary high speed steel, M35 material can prolong the service life, enhance wear resistance and remove chippings clearly .Top quality Tatinum plated .

PLAIN STYLE 60 ANGLE: Center drill bit can be used to process the centering hole and countersink of general material. Plain style 60째angle can guide twist drill bits to process holes.

SPIRAL FLUTE: Spiral groove helps clear chips and debris away from the bit, decreasing friction and heat for a faster, cooler drilling process. The precision ground surface is corrosion resistance to achieve better using effects and prolong the working life.

Cobalt Steel - Manufactured From M35 5% Cobalt Steel, With Molybdenum And Cobalt Added To Creates A Hardened Alloy, Measuring Rockwell Hardness Up To 65, For Much Faster Cutting And Extra Longer Life Span, With Up To 10 Times When Compared with an Average HSS Drill Bit.

HSS Titanium Coating - Classic HSS Construction With Titanium Coating For Capability And Durability. The Cutting Edge Is Hardened And Honed For Sharpness.

Flutes Form - 2 Flutes Form Helps Clear Chips And Debris Away From The Bit, Decreasing Friction And Heat For A Faster, Cooler Drilling Process, Chatter-Free Design With Staggered Cutting Teeth Ensure The Precise Countersinking And Hole Smooth Clean.

【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

【M35 HSS+5% Cobalt】：High-speed steel, also known as HSS, is the most common drill bit for metal applications. It incorporates an element with cobalt that makes the drill bits harder than a typical HSS bit and thus suitable for precision drilling in stainless steel and other hard materials. The cobalt blend gives these bits a much longer life

【135-Degree Split Point & Twist Design】：The split point design increases the cutting edge on the tip, and the blunter 135° angle means more of the cutting edge touches the surface sooner. The grooves on the sides of the bits’ twisted shanks will bring metal shavings up and out of the hole as you drill.

【Multiple Application】：Perfectly suitable for drilling hard metal such as stainless steel, cast iron, high temperature alloy, titanium alloy. Moreover, they can also be applied to cutting duroplasts, wood and some other soft materials. Drill bit holder with size index for easy induction and arrangement, and a portable metal case are both included.

COMPLETE SET - Comprehensive, high quality 246pc drill bit set – made for masonry, wood, metal and plastic drilling as well as multiple screwdriving and fastening applications.

VARIETY - Full set includes 87 X HSS twist drill bits, 22 X wood drill bits, 21 X masonry/cement drill bits, 4 X drill stops, 66 X 1” bits, 30 X 2” bits, 6 X nut drivers, 2 X hex keys, 1 X counter sink, 4 X hole saws, 1 X arbor adaptor, 1 X nail punch and 1 X bit holder.

UNIVERSAL - Compatible with all VonHaus drills and many other popular models. Ideal for DIY projects and household maintenance and repair – each bit is colour-coded for easy identification.

[Specifications and packaging]: 30Piece hex shank twist drill bit set,include size: 29pcs hex twist drill 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", 17/64", 9/32", 19/64", 5/16", 21/64", 11/32", 23/64", 3/8", 25/64", 13/32", 27/64", 7/16", 29/64", 15/32", 31/64", 1/2" and 1pc 60 (L)quick change bits holder all in BMC.

[Fitment]:Metal drill bit set for metal/wood/plastic sink. Suitable for Home DIY, and General Building/Engineering Use.Metal(steel plate, aluminum plate, iron plate), wood, plastic, PVC (not applicable to wall).

[Material]：Imapct twist drill bits are made of high speed steel and titanium coated. The classic high speed steel construction is coated with titanium to increase toughness and durability.