Best Straight Long Drill Bits in 2026

WELL-EQUIPPED BITS SIZE - 20 piece hex driver/ allen drill precise bits in the following size: 10 PC SAE of 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16" and 10 PC Metric of 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm

INDUSTRIAL GRADE QUALITY - The hex drill bits are made from S2 steel material in a matt rust-resistant finish with labeled size marks & magnetic tips. Two portable rubble strips store in a durable plastic case: one packs bits in SAE, another packs bits in Metric

EXPERIMENT TESTS - The bits have experienced torsion and hardness test. The results of tests show that the maximum torsion force of bits are 180-200N and the hardness of bits are 57-59HRC. The high torsion and proper hardness avoid the bits break and wear

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"

Premium M42 8% Cobalt Steel ,68-70 HRC (Rockwell Hardness Scale) ,Usually Give the Best Heat,Wear and Chip Resistance and Long Tool Life.

3 Steps Desigh for Cutting through Stainless Steel,Hard Metals,Aluminum,Plastic.

This Cobalt Drill Bit is Typically Capable of Running Three to Five Times Faster.Despite the Higher Price,the Cost Per Hole When Using Cobalt Drill Bit Will be the Lowest,Since It Can Produce So Many More Holes.

✅【5% COBALT TWIST DRILL BITS SET】Made from M35 Cobalt Steel with Molybdenum and Cobalt added to form a hardened alloy, can measure up to 67 Rockwell hardness, cut faster, last longer, and last longer than normal HSS drill bits 25 times.

✅【METRIC DIRLL BITS SET】The drill bits include 13pcs metric drills: 1.5mm, 2mm, 2.5mm, 3mm, 3.2mm, 3.5mm, 4mm, 4.5mm, 4.8mm, 5mm, 5.5mm, 6mm, 6.5mm, can meet more needs.

✅【TWIST DESIGN AND PERFORMANCE】Precise 148° SPLIT Point, Gold Oxide Surface and Round Straight Shank. Prevents walking and removes chips and particles faster. Precision fully ground to ensure smooth chip movement.

Material : Diameter Size of Micro HSS Drill Bit Set is 2.5mm.

Package Include: 10 pcs metal drill bits fit for the majority of power drill currently on the market and come with a portable plastic case for easy storage and organization.

Quality Material: Cobalt drill bit set adopts HSS-4341, which is durable, strong and practical, long service life, heat resistant and wear-resistant; The cutting edge of drill bit is hardened and honed, cutting precision, no shaking.

Drill bits include: 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9, 9.5, 10, 10.5, 11, 11.5, 12, 12.5, 13 mm

Quality High Speed Steel M2 provides all drills power cutting, impressive performace and long tool life

Precision fully ground edges and flutes ensure fast drilling, excellent chips moving smoothly and ultimate accuracy

29 Pack Woodworking Chamfer Drilling Tool Kit with a Handy Plastic Case– A Versatile tool set that would make a nice gift for woodworker, Dad, DIY lover, home hobbyist. Ideal for wood, particle board, fiberboard, logs, plastic boards, PVC pipes used on hand drill, bench drill and electric drill.

3 Pcs 1/4" Metric Hex Shank HSS Step Drill Bit Set – With titanium coating, it has great heat/ corrosion/ rust resistance. Specification: 3/16''-1/2'', 1/4''-3/4'', 1/8''-1/2''. Suitable for drilling holes within 0.12 inch (Iron Plate, Copper Plate, Aluminum Plate); within 0.2 inch (Wood, PVC sheet, Insulation Boards). Not recommend for hard and brittle materials such as stainless steel, glass, tile floors, walls etc.

7Pcs 3- Pointed Countersink Bit for Wood – Made of high carbon steel with high hardness & abrasion resistance, large chip flute and five edge chamfers can drain sawdust faster and easier(Size include: 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm). With 1pc hex L-wrench, you could easily remove and adjust counter sleeve depth and drilling depth.

【Multi-Purpose Use】For use on various materials e.g. brick plates (max. thickness 5cm), wood boards (max. thickness 5cm), metal plates (max. thickness 3mm), soft tile, and plastic

【High Quality】Alloy steel, superior heat treatment and hardened drill bits. Special U-type groove slot design for smooth dust removal and fast drilling

【Industrial Grade】Durable Tungsten Carbide drill tip precision ground at special angle with copper welding for strong drilling performance and longer lifetime

✅【5% COBALT TWIST DRILL BITS SET】Made from M35 Cobalt Steel with Molybdenum and Cobalt added to form a hardened alloy, can measure up to 67 Rockwell hardness, cut faster, last longer, and last longer than normal HSS drill bits 12 times.

✅【13PCS SAE DIRLL BITS SET】The set includes 13pcs drill bits. Organized in a sturdy plastic storage case for easy transport to your workplace.

✅【TWIST DESIGN AND PERFORMANCE】Precise 135° SPLIT Point, Gold Oxide Surface and Round Straight Shank. Prevents walking and removes chips and particles faster. Precision fully ground to ensure smooth chip movement.

HIGH SPEED STEEL - Constructed of high-speed steel with strict heat-treatment to enable high hardness and tensile to keep long cutting life to drill various wood material.

BRAD POINT - Brad-point tips allow for very accurate positioning of the hole. They also reduce splintering which results in a very clean hole, due to the spur design of the tip.

SMOOTH SURFACE - Fully ground smooth drill bit body for less effort and higher accuracy. Titanium coating for higher wear resistance, ability to withstand higher temperatures, and increased durability

✅【5% COBALT TWIST DRILL BITS SET】Made from M35 Cobalt Steel with Molybdenum and Cobalt added to form a hardened alloy, can measure up to 67 Rockwell hardness, cut faster, last longer, and last longer than normal HSS drill bits 12 times.

✅【29PCS SAE DIRLL BITS SET】The set 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 and 1/2 inch. Comes in metal indexed storage case for easy storage.

✅【TWIST DESIGN AND PERFORMANCE】Precise 135° SPLIT Point, Gold Oxide Surface and Round Straight Shank. Prevents walking and removes chips and particles faster. Precision fully ground to ensure smooth chip movement.

COPOUIXR High speed steel with cobalt drill bit set for hardened steel 13pcs brocas para metal duro

High speed steel cobalt drill bits for metal 5% cobalt drill bit set steel drill bits for hard metal diamonds are ideal for stainless steel and hard metals

135% self-sharpening impact drill set Drill point with built-in positioning function that requires no additional positioning Easy penetration of hard metals Long torsion bar cutting edge with different drilling depth option

Package Include: The package contains 10 pieces diameter 1.8mm straight shank drill bits, sufficient quantity to meet your various needs. Small bottle packing suitable for a small object processing.

High Quality Material: Manufactured from high quality cobalt HSS with molybdenum and cobalt added to harden alloys up to 67 for faster cutting and long service life, ideal for repetitive drilling in metal working.

Practical Design: Metal bit kits feature a straight shank design that makes them easier to fix and machined accurately, saving time and improving productivity. Suitable for home DIY, workshop or car repair shop use and work.

Total Length: 58mm / 2.3"; Shank Diameter: 2.5mm

Product Name: Twist Drill Bit; Package Content: 10pcs x Twist Drill Bit

Material: HSS, Cobalt; Flute Length: 25mm / 1"

Twist Drill Bits: Drilling Diameter: 3.3mm / 0.13"; Flute Length: 35mm / 1.38";Overall Length: 60mm / 2.36". Spiral chip space design for fast and clean chip removal. Sharp cutting edge provides smooth cutting and no glitches.

Wide Applications: Suitable for precision cutting of stainless steel, alloy steel, carbon steel, tool steel non-ferrous metal, copper, plastics, etc.. Designed for drilling abrasive materials when drilling accuracy must be maintained. Can be used in high temperature drilling applications.

Material: Constructed from YG10X carbide (tungsten steel), the drill bit is hardened up to 91.5HRA, wear resistance, corrosion resistance, heat resistance, and the bending strength is greater than or equal to 2800 N/mm2.

Nice and Complete Combination: you will receive 1 bendable drill bit extension, 3 socket adapters and 3 pieces 360 degree rotatable joint swivel socket (including 1/ 4 inch, 3/ 8 inch and 1/ 2 inch ), 10 short screwdriver bits, 3 magnetic screwdriver bits, 2 pieces 105 degree right angle drill extension (long and short), 1 socket wrench, 1 piece 90 degree right angle screwdriver bits soft shaft and 8 hex shank impact driver socket adapters, such a nice combination kit can satisfy your daily use

Rocket Adapter Set: each set of socket adapters, 360 degree rotatable power drill adapter and power drill sockets adapter comes with 1/ 4 inch, 3/ 8 inch, 1/ 2 inch, and equipped with a 1/ 4 inch hex drill bit, which can be widely applied in the installation of electric screwdriver, manual screwdriver and other installation for the hexagonal tool; Applicable for standard 1/ 4 to 3/ 4 inches and metric 7 to 19 mm/ 0.3 to 0.7 inches screws

Sturdy Screwdriver Bit: made of quality steel, this screwdriver is practical and reliable, high strength and wear resistant; Their Lengths are 60 mm/ 2.36 inches, 100 mm/ 3.94 inches, 150 mm/ 5.91 inches, suitable for electric and pneumatic screwdrivers and other screwdrivers, drill bit extensions

★★★★★These tap drills are made of high speed steel and feature a nitriding surface finish for high hardness and rust resistance for metric thread tap drills long service life.

★★★★★Drill Bit There are a total of 6 pieces of taps in different sizes from M3 to M10 which you can use to tap various threads; Thread: M3, M4, M5, M6, M8, M10; Pitch: 0.5mm, 0.7mm, 0.8mm, 1.0mm, 1.25mm, 1.5mm.

★★★★★Taps are designed with spiral flutes and the chip clearing process would be better. These taps are used on a machine to do the tapping, generally more accurate because human error is eliminated.

Quality high speed steel ensures the bits super hard, sharp and cutting effectively with impressive cutting performance in metal, plastic, and wood etc with long tool life

All drill dimensional & tolerances conform to ASME/ANSI B94.11M drill standards or USCTI - United States Cutting Tool Institute (formerly MCTI)

Fully ground process ensures excellent chips moving, and 135 deg chisel angle with split point provide accuracy start for quick penetration without Walking and less Logging

Combination Drill and Tap Bit: Thread Size: M6 x 1; Hex Shank Size: 1/4". Combination drill and tap bit set can complete hole drilling, tapping, deburring and countersinking. One-step operation greatly saves processing steps and improves working efficiency.

Wide Applications: Suitable for processing blind holes. Used for tapping aluminum, die steel, stainless steel, bronze, hard plastics, etc.. Recommended feed rate: general steel: 6-15m/min; harder steel: 5-10m/min; stainless steel: 2-7m/min; cast iron: 8-10m/min.

Features: Self-centering point, do not need assistant center drilling or center punching. Quick change 1/4-inch hex shank can be used on power tools more easily and securely. A tapered end on hex shank can prevent excessive tapping.

Combination Drill and Tap Bit: Thread Size: M8 x 1.25; Hex Shank Size: 1/4". Combination drill and tap bit set can complete hole drilling, tapping, deburring and countersinking. One-step operation greatly saves processing steps and improves working efficiency.

Wide Applications: Suitable for processing blind holes. Used for tapping aluminum, die steel, stainless steel, bronze, hard plastics, etc.. Recommended feed rate: general steel: 6-15m/min; harder steel: 5-10m/min; stainless steel: 2-7m/min; cast iron: 8-10m/min.

Features: Self-centering point, do not need assistant center drilling or center punching. Quick change 1/4-inch hex shank can be used on power tools more easily and securely. A tapered end on hex shank can prevent excessive tapping.

OUTSTANDING QUALITY

PACKAGE OF 10

Made in the U.K.

TITANIUM | HIGH-SPEED STEEL: Made from 100% High-Speed Steel Construction with Titanium Coating for Proven Capability and Durability. Be equipped with every drill bit size you need in our handy and portable HSS metal drill bit kit. You will find long drill bits as well as small bits inside the metal storage box.

STRENGTH & DURABILITY: Made with HSS , Rockwall Hardness Level. Each of our HSS metric drill has been coated in Titanium as it is well reported to resist heat and friction giving you a quality finish and a longer lasting drill bit. Quality is as good as any major brand such as drill bit set.

METAL STORAGE BOX: Your order comes in a handy metal box with handle for all 99 Pcs bits, each drill bits have its own clearly labelled designated storage spot which makes it the best craftsman drill bit kit.

Twist Drill Bits: Drilling Diameter: 5mm / 0.197"; Flute Length: 35mm / 1.38";Overall Length: 60mm / 2.36". Spiral chip space design for fast and clean chip removal. Sharp cutting edge provides smooth cutting and no glitches.

Wide Applications: Suitable for precision cutting of stainless steel, alloy steel, carbon steel, tool steel non-ferrous metal, copper, plastics, etc.. Designed for drilling abrasive materials when drilling accuracy must be maintained. Can be used in high temperature drilling applications.

Material: Constructed from YG10X carbide (tungsten steel), the drill bit is hardened up to 91.5HRA, wear resistance, corrosion resistance, heat resistance, and the bending strength is greater than or equal to 2800 N/mm2.

Quality high speed steel ensures the bits super hard, sharp and cutting effectively with impressive cutting performance in metal, plastic, and wood etc with long tool life

All drill dimensional & tolerances conform to ASME/ANSI B94.11M drill standards or USCTI - United States Cutting Tool Institute (formerly MCTI)

Fully ground process ensures excellent chips moving, and 135 deg chisel angle with split point provide accuracy start for quick penetration without Walking and less Logging

[Key Parameters]: Shank Dia: 3mm/0.12"; Cutting Edge Dia: 3mm/0.12"; Cutting Edge Length: About 33mm/1.3"; Total Length: 61mm/2.4";

[Product Features]: Made of high-quality 5% cobalt element high-speed steel, five-axis composite machine integrated grinding manufacturing, high dimensional accuracy, after quenching and tempering treatment, the surface is gold-plated titanium treatment, wear-resistant, not easy to stick to the knife, and smooth chip removal"," High strength, good endurance and long service life;

[Scene]: Mainly used for machine power tools, electric drills, drill presses and other equipment main applicable accessories, can be drilled in metal products and non-metal products, steel, stainless steel, copper, aluminum, wood, plastic and other materials, through The effect of hole or counterbore is good;

Designed for easy and effective drilling of metals including the harder alloys

High temperature resistance due to addition of cobalt

Superior hardness due to tungsten and molybdenum base

Combination Drill and Tap Bit: Thread Size: M10 x 1.5; Hex Shank Size: 1/4". Combination drill and tap bit set can complete hole drilling, tapping, deburring and countersinking. One-step operation greatly saves processing steps and improves working efficiency.

Wide Applications: Suitable for processing blind holes. Used for tapping aluminum, die steel, stainless steel, bronze, hard plastics, etc.. Recommended feed rate: general steel: 6-15m/min; harder steel: 5-10m/min; stainless steel: 2-7m/min; cast iron: 8-10m/min.

Features: Self-centering point, do not need assistant center drilling or center punching. Quick change 1/4-inch hex shank can be used on power tools more easily and securely. A tapered end on hex shank can prevent excessive tapping.

Package Contains: 5 x Wood Drill Bits, Drill Diameter: 5mm / 3/16 Inch. Total Length: 85mm / 3.35 Inch. Working Length: 50mm / 1.97 Inch. Brad point drill bits can quickly drill precise holes in wood.

Brad Point Design: The woodworking drill bits are designed with brad point, which can effectively reduce the generation of chips during drilling and improve the efficiency of chip removal, suitable for softwood, hardwood, plywood, acrylic, plastic, beech, walnut, elm, nylon, PU.

Wide Range of Application: Drill wood bit has a pointed head for precise positioning when drilling and can also be used for dowels, ideal for woodworking, DIY crafting enthusiasts to buy and use.

The drill bits are ideal for effective cutting metal, wood, plastic, composite, etc. Imperial sizes, letter sizes, wire gauge or number sizes, and metric sizes are available as request

Quality high speed steel ensures the bits super hard, sharp and cutting effectively with impressive cutting performance in metal, plastic, and wood etc with long tool life

All drill dimensional & tolerances conform to ASME/ANSI B94.11M drill standards or USCTI - United States Cutting Tool Institute (formerly MCTI)