Best Cmt Long Length Drill Bits in 2026

Effective in drilling tough, high tensile strength materials like stainless steel, inconel and titanium

135° split point tip prevents drill from walking

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

VERSATILE: For carbon steel, light gauge metal and hardwood applications

PREMIUM: Provides 2X life over standard impact drill bits

UNIVERSAL FIT: The TI9IM titanium drill bit set universally fits 90% of current drill/drivers including Bosch, Dewalt, Hitachi, Makita, Milwaukee, Metabo, Skil, Porter-Cable, and Craftsman

Effective in drilling tough, high tensile strength materials like stainless steel, inconel and titanium

135° split point tip prevents drill from walking

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

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.

✔️【 COBALT DRILL BIT DIMENSION】:1/8"(Diameter) x 1-5/8"( Flute Length) x 12"(Overall Length)

✔️【 COBALT MATERIAL】: HSS(M35) Cobalt Steel is the premium material with high hardness and red hardness to enable long drilling life and fast drilling performance.

✔️【 SURFACE TREATMENT】: The Gold Oxide Ember finished surface treatment strongthen the hardness of drill bit body  to ensure the long drilling life and better drilling performance.

✔️【 COBALT DRILL BIT DIMENSION】:1/8"(Diameter) x 1-5/8"( Flute Length) x 6"(Overall Length)

✔️【 COBALT MATERIAL】: HSS(M35) Cobalt Steel is the premium material with high hardness and red hardness to enable long drilling life and fast drilling performance.

✔️【 SURFACE TREATMENT】: The Gold Oxide Ember finished surface treatment strongthen the hardness of drill bit body  to ensure the long drilling life and better drilling performance.

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.

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.

Specification: Shank Type: Round Shank; Tool Flute Type: Spiral; Twist Drill Bits Diameter: 0.6mm-2.2mm; 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.

Parabolic flute design offers enhanced chip removal, coolant flow to the drill point, and heat dissipation

Long length drill bits, also called taper length, have longer flutes and overall lengths than jobber drill bits

135-degree radius split-point is self-centering, reduces walking, good for hard material, and reduces pressure on cutting edges

[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;

Blade diameter:6mm;shank diameter:6mm;Overall Length:50mm;90 Degree point angle,2 Flute

Material:solid tungsten steel,Long tool life.

Most suitable for copper,iron,aluminium alloys,titanium alloy,mold steels under 55HRC(HRA78).etc.

29pcs HSS Jobber Length Titanium Coated Twist Drill Bits Set in Metal Case

Size: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"

High Quality Material- High Speed Steel

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.

Drill Bits: Cutting edge diameter: 2.4mm / 0.094"; cutting edge length: 60mm / 2.36"; shank diameter: 2.4mm / 0.094"; 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.

Parabolic flute design offers enhanced chip removal, coolant flow to the drill point, and heat dissipation

Taper-length, for deeper holes

135-degree radius split-point is self-centering, reduces walking, good for hard material, and reduces pressure on cutting edges

Parabolic jobber length drill bit has a long reach for deep drilling applications

High-speed steel (HSS) provides hardness for wear resistance

Titanium carbon nitride (TiCN) coating is harder than TiN for better wear resistance and is recommended when drilling ferrous and nonferrous materials

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.