Best Cmt Long Length Drill Bits in 2026

【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.

High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance

Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge

Round shanks allow use with a wide variety of tool holding systems

Sometimes bigger is better and when it comes to drilling or boring into thick material, bigger is definitely better. Introducing the Fulton high speed steel extra long brad point drill bit set. Each bit measures around 12 inches in total length to provide you with enough drilling length to tackle most any project you can throw at them.

Many times when working around the house or out on the job site, we come across a situation where we need to drill through thicker material like a 6 x 6 or 4 x 4 when building things like an privacy fence or even rough building applications. These Fulton extra long brad point drill bits are perfect for these situations!

Made from high speed steel, these bits are ideal for many different project types and materials. Drill into MDF, 4 x 4’s, 6 x 6’s, PVC, Resin’s, Composites, Plywood and more. Since each bit has a sharp (brad point) tip, it is recommended that you do NOT use these bits to drill into metal objects.

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.

Specification: Cutting edge diameter (CED): 1mm; cutting edge length: 9.5mm; shank diameter: 3mm / 1/8" (approx.) overall length: 38mm / 1-1/2" (approx.)

Long Tool Life: With high hardness, high wear resistance, high strength, resistance to bending, anti-impairment. Made from Tungsten Carbide for precise, easy experience

Spiral Flute Bits: Tip spiral flute drill bits with sharper cutting edge, reduce cutting force and prevent drill broken, improve the drilling accuracy

【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.

High Quailty Material: Manufactured from Industry grade M35 High Speed Steel with 5% Cobalt added, usually giving better Heat, Wear and Chip Resistance and Long Tool Life.

135° Split Point: The 135° fast cutting point is automatically centered and prevents walking, clears chips and particles faster. Making drilling precise, reducing friction and heat for a smooth chip movement.

Professional Drill Bits: gold oxide finish and round straight shanks， fully ground spiral groove design with high grinding accuracy, for cutting stainless steel, steel and cast iron as well as wood, aluminum alloys and other metals.

Specification: Shank Type: Round Shank; Tool Flute Type: Spiral; Twist Drill Bits Diameter: 0.5mm-2.3mm; Shank Diameter: 2.35mm / 0.09-inch; Total Length: 45mm

Material: Made of high-speed steel, with high hardness and stable operation. The drill bit is titanium coated, which has higher wear resistance and lower friction coefficient. Not easy to accumulate chips and long service life.

Cooling: Adapt to several kinds of cooling conditions, for example oil mist, water, oil, air cooling.

✔️【SDS DRILL BIT DIMENSION】:5/32" (Diameter) x 6" ( Overall Length)

✔️【APPLICATION】: SDS Plus Drill Bit Is Ideal for Drilling In Concrete, Masonry, Stone, Bricks and Other Construction Projects

✔️【SDS DRILL CARBIDE TIP】: YG8C Tungsten Carbide Tip Ensure Quick Easy Drilling with Long Cutting Life

PCB Drill Bit: Cutting edge diameter: 1.2mm / 0.047"; shank diameter: 3.175mm / 1/8"; overall length: 38mm / 1-1/2". High hardness, good toughness, wear resistance, high strength, resistance to bending.

Wide Applications: Suitable for drilling PCB, acrylic, plastics, fiberglass, wood, aluminium, soft metals. Used on PCB drilling machines, engraving machine, CNC lathes, machining center. Use vertically and take good control of your CNC speed.

Sharp Cutting Edge: Sharp cutting edge provides smooth cutting, reduces cutting force, prevents drill broken, and improves the drilling accuracy. Spiral chip space design for fast and clean chip removal. The tool set can work quickly and cleanly, no glitches or scrap left.

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.

【Size & Package】Shank diameter: 2mm / 0.08" (approx.); Drill bit diameter: 2mm / 0.08" (approx.); Overall Length: 160mm / 6.3" (approx.); Package includes 2pcs 2mm straight shank drill bit.

【High Speed Steel】Made of HSS material, the extra long drill bit is hard enough, anti-bending and will not fracture easily. The surface coating can better protect the drill bit sets from corrosion and expand their longlife.

【Straight Shank】The round and straight shank is suitable for a wide variety of toolholding systems. Universal flute and overall length allow minimal adjustment during work.

Extra-length, for deeper holes

118-degree conventional point angles good for general drilling applications

Round shanks can be used with a variety of tool-holding systems

[High Speed Spiral Design]: This twist drill bits adopts a high speed spiral design, the drilling speed is significantly faster than standard drill bits, and the flutes help reduce friction and heat

[Make Drilling More Labor Saving]: The cutting edge of this spiral drill bit is hardened and polished to achieve the purpose of sharpness, the longer size allows you to drill more labor saving

[5 Popular Sizes]: This HSS drill bit set includes 5 most popular drill bits with diameters of 2mm, 3mm, 3.5mm, 4mm, 5mm, and lengths of 150mm to 160mm

HSS MATERIAL: The drill bit set uses high speed steel material, this material is durable, strong and practical, with a long service life, heat and abrasion resistance.

TWIST DESIGN: Fully ground spiral groove design clears particles quickly, decreases friction and heat for a faster and cooler drilling performance. They can clear chips and particles more quickly and easily.

EXTRA LONG: The extra long cutting edge allows you to use these bits to drill deep holes. Twisted drill bits will make the drilling easier and more effortless.

Drill Bits: Cutting edge diameter: 2.8mm / 0.11"; cutting edge length: 55mm / 2.17"; shank diameter: 2.8mm / 0.11"; overall length: 100mm / 3.94"; cutting hardness (max.): HRC55. Sharp cutting edge provides smooth cutting and no glitches.

Wide Applications: Suitable for drilling materials below HRC55, such as stainless steel, alloy steel, tool steel, carbon steel, aluminum alloy, etc.. Used on machining centers, drilling machines, CNC lathes, CNC engraving and milling machines.

Carbide Material: Made of super fine grain carbide, it has high hardness (HRC92-94), wear resistance, heat resistance, and high bending strength. With good milling and cutting performance, carbide can run at higher speed than high-speed steel.

Long drill bit - 8 pcs drill bit, The length of the drill bit is about 200mm (about 7.874 inches), The proper length of the fuselage provides better stability and balance during fast operation, ensures that the position is intact, and allows you to enter hard-to-reach areas.

High speed steel - The classic high-speed steel structure is heat treated, and the sharp spiral drill bit will make drilling easier, durable and not easy to bend. It has 4/4.2/4.5/5/5.2/6/8/10mm size standards Round shank torsion drill bit, easier and safer to install all power tools.

Twisted design - The bifurcated tip and twisted design increase the cutting speed, help remove chips and debris on the drill bit, reduce friction and heat, and achieve a faster and easier drilling process

【High Efficiency】: It adopts double spiral fan blades and an X-blade design, which can effectively reduce the resistance of the ice auger and can remove ice quickly, saving you time. This ice drill comes with a positioning tip that prevents the drill from moving around, making it easy for you to use.

【Sturdy & Durable】: This ice drill is made of aluminum, nylon, stainless steel, and iron, giving it the characteristics of not easily damaged and strong corrosion resistance. It allows you to use it for a long time.

【Portable】: Its moderate weight (6.17lbs) and wireless design make it a highly portable ice drill. It provides strong power for your outdoor fishing anywhere.

Set Included; Mulwark cobalt drill bit set features 15 pieces of 1/8-inch drill bits. With a straight shank, these drill bits are designed for easy handling and stability during drilling tasks. The spiral grooves design enhances chip removal efficiency, allowing for smoother and faster drilling. The drill bits are fully grounded, ensuring improved durability and precision in various drilling applications.

Durability; The metal drill bits feature M35 high-speed steel and 5% cobalt construction, making them exceptionally hard and heat resistant. They are further enhanced with a titanium nitride coating, which improves durability, and hardness, and reduces friction for efficient drilling performance.

Jobber Length; The cobalt drill bits in this set have a cutting diameter of 1/8 inch and a flute length of 1-5/8 inches. With an overall length of 2-3/4 inches, they are versatile for various drilling tasks. The 135-degree split point ensures precise and efficient drilling, making them an ideal choice for accurate and clean holes.

【Special Design】- Fully ground spiral groove design clears particles quickly;decreases friction and heat for faster drilling performance

【Feature】 - Nitrogen Oxidation and Heat Treatment can increase the hardness and corrosion resistant of twist drill bit

【Application】- Perfect for stainless steel; copper; aluminum alloy;as well suit for wood;plastic

Size - Drill Bit Diameter: 6mm / 0.24-inch; Flute Length: 127mm / 5-inch; Shank Diameter: 6mm / 0.24-inch; Total Length: 200mm / 7.87-inch.

Material - It is made of 6542 HSS (high speed steel) steel, which has good toughness and hardness, is not easy to break, and is easy to remove chips. Black oxide surface treatment, good rust resistance long durability.

Feature - The spiral groove design can avoid the displacement of the drill bit during the working process, and at the same time, the debris can be removed more quickly and easily. Sharp cutting edges provide smooth cutting without burrs.