Best Brass Drill Bits in 2026

Super-hard titanium coating lasts up to six times longer than high-speed steel

Self-starting point starts on contact

Balanced double flute eliminates chatter and vibration

Speed helix design for three times faster drilling than standard bits

Last 50 percent longer than high-speed steel

Easier drilling, reduced heat and extended drill bit life

Speed helix design for three times faster drilling than standard bits

Last 50 percent longer than high-speed steel

Easier drilling, reduced heat and extended drill bit life

Single-flute cutting edge for greater control

Hex shank helps prevent slipping in the drill chuck

IRWIN Unibit step drill bits are ideal for drilling holes into thin materials, such as stainless-steel, copper, brass, aluminum, plastic and laminates

Speed helix design for three times faster drilling than standard bits

Last 50 percent longer than high-speed steel

Easier drilling, reduced heat and extended drill bit life

Cuts quick, precise holes in stainless steel, mild steel, iron, copper and brass sheet up to 3/16-Inch (5 mm) thick

Split point pilot drill bit prevents bit walking

Integrated flange prevents the operator from drilling beyond the sheet metal

【 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.

COBALT STEEL - Manufactured from M35 cobalt steel, with molybdenum and cobalt added to creates a hardened alloy, measuring Rockwell hardness up to 67, for much faster cutting and extra longer life span, with up to twelve times when compared with an average HSS drill bit.

135°SPLIT POINT - the 135°quick-cut split point are self-centering and able to penetrate metals quickly with less pressure, prevent bits from "walking and wanding". Easy cutting without need of center punch.

15PC METRIC SET - The set includes 15pcs of M35 cobalt steel twist drill bits: 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7 mm, 8 mm, 9 mm, 10 mm. Well organized in a plastic indexed storage case for easy transport to your worksite.

COMBINATION TAP/DRILL BIT: Completes hole drilling, tapping, deburring, and countersinking in a single operation with a power drill to save time and labor

TAPS A VARIETY OF MATERIAL: Built to tap up to 10-gauge metal including mild steel, copper, brass, and aluminum

OPTIMUM PERFORMANCE: Back-tapered beyond tap design prevents thread damage from over-drilling, and high-quality hex shank ensures a strong connection to the drill chuck

STEP DRILL #1 1/8-1/2" 13 SZ

STEP DRILL #1 1/8-1/2" 13 SZ

STEP DRILL #1 1/8-1/2" 13 SZ

1.Cutting edge is made of Top-class HSS (High Speed Steel).

2.Through special heat treatment, the cutting edge is sharp with high intensity.

3.Good cutting effect of ferrous and non-ferrous metals, be able to process stainless steel plates below 3mm

[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

Premium Quality Set of Total 20 pcs. 1mm (5 pcs), 1.5mm (5 pcs), 2.0mm (5 pcs), and 2.5mm (5 pcs) Twist Diamond Drill Bits - Compatible with Dremel and Other Rotary Tools

Perfect for Jewelry Design Necklaces Earrings, Pendants, Bracelets with Sea Shells, Beach Glass, Rocks

BONUS INCLUDED 4 Different Sized Collets Compatible with DREMEL for Drilling Clean Holes in Fused Glass, Gemstones, Rocks, Ceramic, Porcelain, Gemstones

Super Durable Hard Steel - Made of extremely hard stainless steel with high strength and hardness for durability, anti-rust and anti-corrosion. It can accompany you for a long time.

Safe and Efficient - The high strength and hardness deburring external chamfer tool easily shave down the outer edges of a bolt, pipe or rod, remove the burr. Quickly repairs damaged bolts and tightens the nuts in place without hurting your hand, no sparks, and no burns; Simplifies the repair process.

Simple Operation - Attaching the deburring external chamfer tool to the end of your power drill, Use the lowest speed on the drill bit, and then slightly applying pressure to remove the burr. The tool simplifies the repair process, can reduce repair time and eliminates the need to replace expensive or hard-to-find hardware. Great helper for industry and household.

Cut up through 3/8-Inch mild steel, copper, brass, aluminum, wood, plastic and laminates

Hole sizes from ISO-16 through ISO-32

Balanced, double-flute construction requires less pressure, does the work for you

【Wide Applications】It is widely used to engrave, drill, mill, cut and carve on hardwood, plywood, acrylic, plastic fiber, resin, PCB, aluminum and other material. Suitable for lettering and sign making.

【1/8” Shank; 30deg 0.1mm V Bit】Shank size are 1/8 inch. 30 degree 0.1mm v-bit is commonly used in CNC engraving.

【Triangular Engraving Bits】Triangular v shape can be used in 2D and 3D carving. Easy to remove chips, not easy to stick dust.

The drill bit is chrome-plated and hardened have 3 pieces of diamond grinding bits in 3 sizes, namely, 1 inch, 3/4 inch, 1/4 inch, along with 3 matching allen wrenches, different sizes and complete combination to fully meet your DIY use

The stained ceramic glass abrasive tool adopts a standard frosted design, and the Brass core reduces shaft binding and will not stick to the shaft of the grinder ,Made of quality copper material, and the surface is plated with diamonds, Diamond abrasive bonding surface is double plated , high strength, and long life

The hole diameter：8mm/0.31in.These diamond drill bits in MCB01, MCB34, MCB14 make the glass grinding faster and help the work to be completed more efficiently, which are really practical and necessary tools in your toolbox.

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.

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.

Wide Range of Sizes: Including 7 Pieces of Plain Center Drill Bits Set range in size 1.0 1.5 2.0 2.5 3.0 4.0 5.0 to meet different needs

Accurate: A 60-Degree Angle center drill is very useful in drilling accurate center holes, 60-degree countersink holes or starter holes for bigger drill bits in metal-working

High Quality: Our center drill bits made of high quality M2 High speed steel, solid and high temperature wear resistant

Fitment Bolt Tube Size：8mm -28mm. Effective on Stainless Steel, Hardened Steel, Mild Steel, Copper, Brass, Aluminum, Fiberglass, Wood, Plastic, no matter it is with or without screw thread.

Exotic Super Hard Steel：made of high speed steel with three shaving teeth,has the feature of high strength and hardness for durability.

The operation is simple, using the lowest speed on the drill bit, and then slightly applying pressure to remove the burr.

13 PACK OF 1/4" COBALT DRILL BITS - 1/4" Diameter with a Flute Length of 2-3/4" and Total length of 4"

M35, FULLY GROUND, 135° SPLIT POINT - Our Drill Bits Contain 5% Cobalt, Are Fully Grounded for a Precision Drilling Diameter. 135° Split Point Design Makes it Easier to Drill Repeated Holes in Harder Materials.

PLASTIC STORAGE CASE INCLUDED - Incredibly Tough and Durable Plastic Case. Perfect for Keeping Your Cobalt Drill Bits Neatly Organized and Safe.

High Quality Material - High Speed Steel M2 Black and Gold, resists corrosion, ensures outstanding durability, sharpness and capability, reduces the friction and runs cooler.

Black and Gold Oxide Finish - Premium gold titanium and black nitride dual coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant than the regular black surface.

135-degree & Split Point - Increases cutting speed with self-centering and prevents walking, clears chips and particles faster. The split point tip can increase the wear resistance. 135-degree penetrates hard material without a pilot hole and produces small chips to reduce clogging.

2 pc 8-32 Combination Drill and Tap Multi Use Deburr Countersink Hex Bit

Made of high speed M2 steel. For use with: steel, copper, brass, aluminum. drill, tap and deburr in one operation.

Drill, tap and deburr in one operation. Tapered tap design prevents thread damage from over-drilling.

【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

[PREMIUM QUALITY] TICONN drill bits are made from premium quality titanium coated high speed steel (HSS). These bits will stay sharper, last longer, and can drill at higher speeds than uncoated and oxide-coated drill bits. Double U shape flutes design clear chips effectively

[WIDE APPLICATION] 135° point angle drill bits keep centered without a pilot hole. These jobber self-centering drill bits have the rigidity and length for most applications of corded or cordless hand drills and drill presses. Ideal for drilling mild steel, aluminum, copper, soft alloy steel, wood, and plastic

[SIZE LIST] 19 different sizes including 32PCS 3/64", 30PCS 1/16", 30PCS 5/64", 30PCS 3/32", 20PCS 1/8", 20PCS 9/64", 12PCS 5/32", 12PCS 11/64", 12PCS 3/16", 8PCS 7/32", 4PCS 15/64", 6PCS 1/4", 4PCS 9/32", 2PCS 19/64", 3PCS 5/16", 2PCS 21/64", 1PC 23/64", 1PC 3/8", and 1PC 1/2"

[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. High speed steel is designed to ensure sharp, fast execution and withholds strength and efficiency. Each tap drill is engraved with a size making, which is convenient for you to choose the size that suits you

[Quick Change] 1/4 inch Hex Shank fits into all power tools more easily and securely, especially for locking into quick change chuck. Convenient ¼” hex shank features a tapered end to prevent over-tapping and includes a quick-change adapter for easy size change

DRILL AND TAP 2 IN 1 - Drilling holes and taping threads in one bit and one operation to save time, money and effort

HSS-CO AND TIAIN FINISH - Made of M35 grade cobalt steel and coated with Titanium Aluminum Nitride(TiAIN), exceptionally oxidation resistant and hard, to easily penetrate hard metals.

SELF-CENTERING - Pilot X-shape self-centering split point provides excellent drilling accuracy and precision; High quality hex shank to ensure strong connection to drill chuck

DRILL HOLES EASILY – Push down the handle to rotate the bit and when stopped the bit springs back counterclockwise – essentially self-clearing

RETRO TOOL – This non-electric and environmentally friendly drilling option will bring some sentimental feelings while performing small job ideally

8 DOUBLE FLUTED BITS – Conveniently store inside the handle and includes sizes 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, and 11/64 inch

High Speed Steel tool - 26mm cutting diameter. Good for most general purpose applications, featuring a combination of hardness and toughness for wear resistance

Reduced Shank - Expanding the size range capacity of a portable drill chuck. Common flute and overall length for minimal adjustment during tool changes

Black Oxide Finish - Black oxide treatment adds lubricity. Small pockets on the surface of the tool that act to hold coolant near the cutting edge