Best Cmt Long Length Drill Bits in 2026

【𝐇𝐢𝐠𝐡 𝐐𝐮𝐚𝐥𝐢𝐭𝐲 𝐒𝟐 𝐒𝐭𝐞𝐞𝐥】Security torx bits are made of excellent industrial grade S2 steel material for superior hardness which it's reaches 61RCH, the surface of security torx bit set be Nickel plating treatment, for good anti-rust and anti-corrosion funcitons. It will not be rust and keep the gloss even if it exposed to the air for a long time, which is more stronger and durable than others.

【𝐓𝐚𝐦𝐩𝐞𝐫 𝐑𝐞𝐬𝐢𝐬𝐭𝐚𝐧𝐭 𝐃𝐞𝐬𝐢𝐠𝐧】All torx bits are security tamper proof type, the hole in the center in each bit causes it to be tamper resistant, suitable for torx screws or security torx screws, with powerful functions, security bit sets are packed in bit holder organizer and blister packaging, for convenient to store and carry.

【𝐂𝐨𝐨𝐥 𝐆𝐚𝐝𝐠𝐞𝐭 𝐆𝐢𝐟𝐭𝐬 𝐟𝐨𝐫 𝐌𝐞𝐧】This torx bit set can be gifts to your loved ones as it reflects a fresh trend with fun & practical with funcionality. It's an amazing gift for men when working in construction, dayli-use or DIY projects, makes for a beautiful unique gift on various occasions like Christmas, Father's Day, Birthday or anniversary Valentines Day Gifts for Him. Help him to get work done more easily and faster.

【Size】Diameter: 1.6" , Length: 9". The size of this auger drill bit is about 1.6×9"

【Wide Application】Package includes an appreciate size auger drill bit, suitable for different planting requirements.

【Easy to Use】This bulb augers set will compatible with chucked drill, 18V or greater drill recommended.

1/2" Diameter X 12" Long Auger Drill Bit with a 3/8" Hex Shank

Made of Carbon Steel. Solid Center Design for extra rigidity while boring.

Perfect for drilling into soft and hardwood, MDF, Plywood, Lumber, Railroad Ties, Landscape Timber, Invisible Floating Shelf Bracket Installation, tree stump boring, for up to 10” deep hole. Easy to bore into tree stump, lumber, landscape timber and railroad ties.

The item is Bosch Daredevil DSBE1012 12-inch drill bit extension

Used for power tool accessories, drill bits & accessories

The product is manufactured in China

MULTI-PURPOSE: The GrayBunny earth auger bit is ideal for digging holes in the ground to plant bulbs and tree saplings in your garden. Simplifies drilling tasks such as planting umbrellas or posts, termite bait stations, taking soil samples, boring plant holes or erecting fences. Also works great for mixing tasks like tilling soil, mixing seed with soil and fertilizer, and mixing batches of mortar mix or paint.

PREMIUM QUALITY: 24 inches (61 cm) long, 8 mm diameter hexagonal metal shank/shaft with 1.75 inch (4.5 cm) wide helix for maximum holding power. Heavy duty and long lasting even under the toughest conditions.

CONVENIENT: Designed to help you to easily dig to deeper depths. Built to penetrate the ground quickly and well-suited for tough soils. Digging becomes an easy task. Hexagonal shank / shaft offers a secure grip and doesn't "spin".

Our auger drill bit for planting designed with widen spirals for more applications, you will get planting holes widen to 4inch diameter, and the hole depth up to 12inch if you needed. Except the 4x12inch garden auger, you will also get a free 1.6” diameter by 9inch length auger drill bit for planting smaller plants.

Garden auger spiral drill bit made of heavy-duty steel with black paint coated for long service time. With our garden auger drill bit, your planting efficiency will be improved a lot. You have more time enjoy the planting beautiful season.

The garden auger drill bit designed to prevent you from back strain, don’t need to bend over so much to dig holes like the traditional way using a shovel. Just use with a cordless drill 18V or greater, hundreds of planting holes will be made in few minutes. We suggest using electric drill with adjustable drill chuck to fit any augers.

Premium High Quality - Short length drill bit is made from superior HSS M2 material with evenly distributed carbides for long lasting strength and durability. The drill bit is always sharp at each use.

Twist Design - Full ground processing and 135 degrees split point clears chips & particles faster, it also delivers powerful penetration against the metal , plastic, wood and other hard surfaces.

Quick Change - 1/4” hex shank fits into all power tools more easily and securely, it is suitable for quick change drill chunks for fast and easy swapping.

[High-quality material]-This drill extension kit is made of high-quality raw materials, industrial-grade heavy-duty chrome vanadium steel, durable, high-pressure resistance, and can be used for a long time.

[Value-for-money drill extension kit]--This set of drill extension kit 9PCS, including 1*flexible drill extension, 3 pieces of 1/4 3/8 1/2" universal socket adapter kit, 3*quick release magnetic drill extension Pieces, 1* screwdriver bit set, 1*105° right-angle drill bit extension, a complete match to meet daily needs.

[Flexible drill extension]--105 degree right-angle drill extension and bendable drill extension can be twisted and rotated at different angles. It can be connected to a drill, rechargeable drill or manual wrench to extend it to inaccessible narrow places and twist Screws, nuts and more to help you get the job done quickly

【No Need to Squat】Our auger drill for planting has been upgraded to extended length with seven spiral blades,longer than the old version on market.This extended length auger drill bit allows you to stand and dig. No need to squat and protect your back and knee.It can save much effort for you in massive digging.If your height is above 5.7 ft (175 cm), the 32 inches drill bit should be a better choice for you.

【Premium Quality】100% Solid Barrel,Bulb auger for cordless drill made of heavy duty steel with premium paint coated for long service time. A professional landscapers’ choice for dramatically increasing efficiency when planting bulbs, potted plants, vegetables, flowers, tilling soil or planter boxes, mixing seed, soil, fertilizer, paint, or batches of mortar mix for hardscapes; Effortlessly dig post holes.

【Specification】Size: 0.3 inch steel shaft with non-slip hex drive 0.3 inch；2 inch diameter x 32 inch length.7 laps spiral blades.Will work with any 3/8-inch or larger drill on low (slow) speed; 18V or greater drill recommended; For cordless drills a 14V drill minimum is recommended.Triangle drill bit designed for breaking the soil in a fast way even on hard soil.

Drilling with forstner bits to achieve a flat bottom hole or to start a deep hole turning project like a large vase or vessel can be very challenging with a standard length forstner bit. Worse yet, even with a standard length extension you’ll probably only add about 3” of depth to your bit. This is often not enough of a depth for many of your projects and it can get quite frustrating without the proper tools.

With the 10” long forstner bit extension you can now add over 8” of extra drilling depth to your current forstner bits! That alone makes this extension especially ideal for woodturners when having to hollow out large vessels or objects like salt and pepper shakers. The extension also works great for rustic furniture, joining wide timbers, wooden beverage mugs and even works great on things like turned kaleidoscopes.

Can be used with hand drill as well. The 10” Forstner Bit Extensions are made from heavy duty solid machined steel and feature a 3/16” thick socket wall to firmly hold the bits in place. The bits are secured with two hex socket set screws using a hex key wrench which is included. The extensions will work with hex shank or round shank forstner bits.

Package includes: you will get 2 pieces 1/4 spade drill bit extension hex shanks and 2 pieces hex keys, which are helpful for wood spade bit extension; 2 Sizes for length, namely 6 inches and 12 inches, provide nice operability; Suitable for hard-to-reach bolts and screws, allowing you to complete your work better and faster

Fits for most 1/4 inches bits: wood bit extension sets are suitable for most 1/4 inches drill bit extension hex shank insert and power bits, which can be applied for all of your needs screws, nuts, drills, handheld drivers, tool box and construction; With that extra-long extension, you’ll be able to reach almost everywhere; Please confirm the size before buying

Reliable material: the spade drill bit extension is made of high-carbon steel, safe and durable to use; It not only can hold bits securely in place to make sure that your bits keep in place and never wobble while in use, but also give you maximum control and accuracy when drilling and driving; Besides, the durable high-carbon steel construction makes it to has nice rust resistance, and suitable for use with wood spade bits

Faster drilling: Self Feeding Coarse screw point designed for faster drilling.

Specification: 1/2" Diameter x 12" Long Auger Drill Bit with a 3/8" Hex Shank.

High-strength: Made of carbon steel, high quality steel, high-strength, impact-resistant, strong structure, reliable performance.

Imperial Wood Bit: 8/17”,16/29",17/27",17/24",26/33"brad point set, 18" extra long drill bits.The top of the tooth head is a guide function, so that the drilling is accurate, simple, quick and easy.

Shank Type: Hex shank fits into all power tools more easily and securely, specially for locking into quick change chuck.The utility model has the advantages of reasonable structural design, smooth and light drilling, high use efficiency, flat hole wall after drilling and smooth discharge of chips.

Titanium Coated HSS: Classic high speed steel construction with titanium coating for proven capability and durability.

【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

Practical Combination: the package comes with 3 sets of spade drill bit sets, each set including 2 pieces of extensions and 2 pieces of wrench keys, practical combination and abundant quantity to meet your daily use and replacement needs

2 Sizes in Length: the drill bit extensions have 2 different sizes, respectively are 6 inches and 12 inches, bringing more conveniences to your work and offering more choices for you, and they are suitable for most 1/4 inches drill bit extension hex shank insert and power bits; Please check the size before purchasing

Sturdy and Long Lasting: these drill bit extenders and wrenches are made of high carbon steel material, which is sturdy and reliable to use, featuring good durability and hard to deform, not easy to bend and break off, rust and erode resistant, suitable for use with wood spade bits

【Swage Drill Bit Set】Size: 1/4'' (6.35mm), 3/8'' (9.5mm), 1/2'' (12.7mm), 5/8'' (15.9mm), 3/4'' (19mm). Total Length: 50/54/57/60/63mm. Shank Diameter: 1/4 inch hex shank.

【Tube Expander】Suitable for【Tube Expander】Suitable for hard and soft copper standardized, easy to braze swaging set. Come with 5 different sizes for your choice to meet your needs. hard and soft copper standardized, easy to braze swaging set. Come with 5 different sizes for your choice to meet your needs.

【Durable For Use】Made of high quality bearing steel for high and uniform hardness and wear resistance. High elastic limit for good performance and long life!

3-Flute design with screw-point tips for easy to start self-feed drilling point. Stubby length allows speed boring which is faster than a paddle or spade bit.

Three cutting spurs for faster chip clearance and cutting. The Shorter length makes these perfect for drilling holes into tight spaces. Suitable for drilling into hawg or timber. electrical wiring into stud frames.

Commonly used standard diameter sizes makes it perfect for many DIY projects. 1/2", 5/8", 3/4",7/8" and 1" diameter sizes included. Each bit is 4" long.

Quick change 1/4" hex shank for power drill, 7/64", 9/64", 11/64", 3/16", 7/32" HSS taper drill bits ideal for installing screws.

Use these countersinks to drill the pilot hole and countersink hole in one step.

4-Flute cutter countersink and tapered drill bit provide superior speed and ideal finish.

Material: Constructed of M2 HSS with strict heat-treatment to enable high hardness and tensile to keep long cutting life to drill vary wood material.

Tip Design: The 135-degree standard tip design not only promises strong sharpness, but also prevents slippage and makes drilling stable and precise. Smaller bits like this are much more rigid, and will not flex like long Bits.

5pcs Short Bit Set Sizes: 3/32, 1/8, 3/16, 1/4, 5/16-inch which meet your different drilling requirement. total length: 2.36”/60mm. Easy to use light, compact and durable.

✅ Fully ground processing and 135 degrees split point clears chips & particles faster, it also delivers powerful penetration against the metal , plastic, wood and other hard surfaces.

✅ Short length drill bit is made from superior HSS M2 material with evenly distributed carbides for long lasting strength and durability. The drill bit is always sharp at each use.

✅ 1/4” hex shank fits into all power tools more easily and securely, it is suitable for quick change drill chunks for fast and easy swapping.

【Parameter】- Cutting Dia: 14mm / 0.55-inch ; Total Length: 230mm / 9.06-inch; Material: HSS; Shank Type: Hex shank.

【Material】- Drill bit is made of hardened high speed steel, which has durable and stable cutting capacity, and has long time service life. It is harder and tougher to extreme loads,not easy to break.

【Feature】- Hex shank base well fits into majority pistol drill and drill press, more easily and securely installation without slippage and shedding.Hex shank avoid the bit sliding off collet. Broad Blades keep the drill bit straight as it bores.

Auger bit has a medium-fast screw point for general wood-boring applications

These auger bits have an extra-long twist for boring large poles, construction timbers and more

Each auger drill bit has a hex shank design for use in impact-wrench drills

【High Quality】M35 Cobalt alloy steel drill bit for improved performance, extra durability and long lifetime. Fully grounded for easy particle removal, decrease friction, and precise drilling

【Stubby Sizes】Drill bits measure only 2.36-inch in overall length with 1-inch cutting flute, allowing access to hard-to-reach and tight spaces

【Efficient Design】135° split point two-blades special design drill tip (1/8-inch and larger) for perfect self-centering and fast drilling

6-Piece Stubby Brad Point Short Drill Bits in Imperial Size: 3/32", 1/8", 3/16", 1/4", 5/16", 3/8" , Shank: 1/4" Quick Change Hex

Brad Point Design - The 135-degree standard brad point design delivers powerful for fast cutting against tough wood material.

Quick Change - Each 1/4-inch hex shank is compatible with standard and quick-change chucks and drivers, increasing work efficiency and saving time.

Easier & Faster – 3 in1 Drill Countersink and Counterbore in one step, with this 7 Pcs M2 Countersink Set you can get perfect counterbored holes for #4 #6 #8 #10 #10 #12 #12 screws without changing bits

Meet All the Needs – with popular 82 Degrees Countersink and 3/8” Counterbore Bits - You can either have the head of the screw below the surface then conceal it with matching wood plugs, or fit flush with the surface

Cutting Depth Adjustable – You may need holes for long or short screws; these counterbore Drill Bits with Adjustable Depth Stop to fit the length of your screws; just tighten the pilot drill bit with the hex key (included) to the Countersink / Counterbore sleeve

【Quality Material】 Constructed of M2 HSS with strict heat-treatment to enable high hardness and tensile to keep long cutting life to drill vary wood material.

【Short Drill Bit Set】 The hex drill bit set has 5 sizes of 3/32, 1/8, 3/16, 1/4, 5/16-inch which meet your different drilling requirement. Easy to use light, compact and durable.

【Wide Application】 Suitable for drilling holes on wood and soft metals. Perfect for soft, hard material like wood, fiberboard, particleboard, plywood, plastic, PVC, MDF, etc.

Shank: Hex Shank,for Electric Drill,if fix it on Hammer Drill,please turn off Hammer Mode; Diameter:50mm(2 Inch),Chamfer Angle:Top Angle 60 degree,Total length:73.5mm,Workable length:43.5mm

Application:This is a versatile diamond milling finger bit, designed to Wet or Dry Enlarge, Shape, Polish,Clean,Trim,Finish,Round or Bevel Existing Rough Holes of Marble Ceramic Porcelain Tiles Granite Stone

Features:You can easily produce 0-50mm hole size with just One Standard Diamond Core Bit Plus one Diamond Chamfer Cone Tile Bit, cost-effective

【Good Softness】 it is about 300mm and is soft and flexible. It can be twisted, bent to the narrow or winding place without any difficulty. It can be drilled into a small space, in a variety of gaps, rather than your hand, flexible installation work. Let this flexible drill bit extension tool help you solve more problems quickly,And it will bring more convenience to your life.

【Safety Protection】the screwdriver flexible shaft is designed of flexible shaft and easy to bend. It can adequately prevent being harmed or injured while using the screwdriver drill bit.And Flexible out shield protects your hand while inside shaft rotates

【High Quality】this drill bit made of metal and special plastic, which can make the drill bit more firm and hard-wearing to ensure a long lifetime. so you can use it again and again in everyday life

10 Pieces in this set, including 8 flat wood bits, extension rod and hex key-sizes clearly marked

Each of the bits is 6 inches in length, and has a super sharp tip to bore quickly

Excellent carpentry tool to drill holes for installation of other hardware

✅ Parameter Details: Diameter: 9/16 Inch, Lenght: 12 Inch, Hex Shank Diameter: 3/8 Inch, Thread Length: 8 Inch.

✅ Premium Material: The long drill bit is made of solid carbon steel, which is rigid, durable and not easy to rust.

✅ Practical Design: The tip self feeding coarse thread point is designed for faster drilling. The cutting flute is milled with hollow centers for faster chip clearance.