Best Zinc Jobber Drill Bits in 2026

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.

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

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

High Speed Steel tool - 32mm 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

[SIZE] - 1mm diameter, 11mm length twist drill bit with 0.7mm shank.

[MATERIAL] - Diamond coated high speed steel(HSS) is made by spiral technology, has both toughness and hardness, is not easy to break. The drill bit is sharp, and is easy for chip removal.

[APPLICABLE MACHINE] - Widely used in rotary tool such as hand drills, drill press, flex shafts, bench drill and hanging mill.

Cemented Carbide Tip: 11mm twist drill bits are made of cemented carbide tip for long service life, more sharp and durable than others

Features: Milled U-flutes with deep-cut spiral provides fast material removal. Suitable for drilling in tough metal, including abrasive alloy and hardened steel

Use For: Drilling clean, accurate holes in sheet metal, steel, copper, brass, aluminum, plastic, wood, stainless steel and cast iron

[Specifications]- Twist Drill Bits Diameter: 2.5mm / 0.1-inch; Drill Bit Length:100mm / 3.94-inch; Shank Diameter: 2.5mm / 0.1-inch; Total Length: 160mm / 6.3-inch; 2 x Straight Shank Twist Drill Bit

[Strength and Hardness]- Made of high-speed steel. HSS(High Speed Steel) enables the drill body harder and can keep a longer drilling life.

[Twisted Design]- With the twisted design, it can improve cutting accuracy by centering the tip. It can avoid displacement of the drill bit during work, and at the same time remove debris and particles faster and easier.

Specification: Drill Bit Diameter: 1mm / 0.04-inch, Flute Length: 50mm / 1.97-inch, Shank Diameter: 1mm / 0.04-inch, Total Length: 80mm / 3.15-inch; 10 x Mini Drill Bits

High Speed Steel: Made of high-speed steel, with high hardness, heat resistance, wear resistance, durability and long service life.

Extended Drill：The jobber extended drill is suitable for a wide range of applications, allowing you to access hard-to-reach areas where ordinary drills cannot. High hardness, sharp twist drill bits will make drilling easier and more efficient.

Twist Drill Bits: Drilling Diameter: 2mm / 0.079"; Flute Length: 20mm / 0.79"; Overall Length: 40mm / 1.57"; Cutting Hardness (Max.): HRC45. Spiral chip space design for fast and clean chip removal. Sharp cutting edge provides smooth cutting and no glitches.

Wide Applications: Widely used for drilling non-ferrous metal, cast iron, stainless steel, aluminum, copper, alloy steel, plastic, wood. Designed with the base substrate without any additional coatings, suitable for wide ranges of applications.

Material: Constructed from medium grain C2/K20 tungsten carbide, the drill bit has good toughness, high hardness (HRA89) and wear resistance. With good milling and cutting performance, can ensure high work efficiency. Carbide tool offers faster cutting speeds than other substrates.

Specification: Drill Bit Diameter: 2.5mm / 0.1-inch, Flute Length: 72mm / 2.83-inch, Shank Diameter: 2.5mm / 0.1-inch, Total Length: 120mm / 4.72-inch; 5 x Mini Drill Bits

High Speed Steel: Made of high-speed steel, with high hardness, heat resistance, wear resistance, durability and long service life.

Extended Drill：The jobber extended drill is suitable for a wide range of applications, allowing you to access hard-to-reach areas where ordinary drills cannot. High hardness, sharp twist drill bits will make drilling easier and more efficient.

Twist Drill Bit: Cutting edge diameter: 10.5mm / 0.41", 12.5mm / 0.49", cutting edge length: 88mm / 3.46", 102mm / 4.02". Features high hardness, good toughness, high wear resistance, suitable for most general purpose applications.

Wide Applications: Widely used for drilling stainless steel, aluminum alloy, iron, copper, wood and plastic. Used on electric hand drill, drilling machine and bench drill. Drill metal with high hardness or foreign substance, the rotational speed should be slower than normal drilling.

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.

Specification: Drill Bit Diameter: 9.5mm / 0.37-inch; Flute Length: 160mm / 6.3-inch; Shank Diameter: 9.5mm / 0.37-inch; Total Length: 250mm / 9.84-inch; 1 x Lengthened Drill Bits

High Speed Steel: Made of high-speed steel, with high hardness, heat resistance, wear resistance, durability and long service life.

Extended Drill：The jobber extended drill is suitable for a wide range of applications, allowing you to access hard-to-reach areas where ordinary drills cannot. High hardness, sharp twist drill bits will make drilling easier and more efficient.

Twist Drill Bits: Drilling Diameter: 2mm / 0.079"; Flute Length: 19mm / 0.75"; Overall Length: 38mm / 1.5". Spiral chip space design for fast and clean chip removal. Sharp cutting edge provides smooth cutting and no glitches.

Wide Applications: Used for precision cutting of alloy steel, tool steel, stainless steel, hardened steel and other high-hardness and difficult-to-machine materials. The AlTiSin composite coating has high hardness, high wear resistance and high thermal stability.

Material: Constructed from ultra-fine DIN K45 (ISO P10) tungsten carbide, the drill bit is good toughness, high hardness and wear resistance. With good milling and cutting performance, can ensure high work efficiency. Carbide tool offers faster cutting speeds than other substrates.

Specification: Drill Bit Diameter: 12mm / 0.47-inch; Flute Length: 155mm / 6.1-inch; Shank Diameter: 12mm / 0.47-inch; Total Length: 250mm / 9.84-inch; 1 x Lengthened Drill Bits

High Speed Steel: Made of high-speed steel, with high hardness, heat resistance, wear resistance, durability and long service life.

Extended Drill：The jobber extended drill is suitable for a wide range of applications, allowing you to access hard-to-reach areas where ordinary drills cannot. High hardness, sharp twist drill bits will make drilling easier and more efficient.

5 Piece & 5 Sizes: 2mm, 2.5mm, 3mm, 4mm, 5mm

Extra-long Length: Provides better stability and balance during fast operation to ensure that the position is intact.

High-speed Steel Material: High strength, good toughness, and long service life.

Size: Bit Diameter: 3.1mm; Flute Length: 28mm / 1.1"; Total Length: 60mm / 2.4"; Shank Diameter: 3.1mm

Feature: After using full grinding process, it has stronger cutting ability and longer service life.

Material: Cobalt-containing high-speed steel drill bit, high wear resistance and toughness, not easy to break, sharp cutting edge, effectively improving drilling speed.

Specification: Drill Bit Diameter: 10mm / 0.39-inch; Flute Length: 126mm / 4.96-inch; Shank Diameter: 10mm / 0.39-inch; Total Length: 200mm / 7.87-inch; 1 x Lengthened Drill Bits

High Speed Steel: Made of high-speed steel, with high hardness, heat resistance, wear resistance, durability and long service life.

Extended Drill：The jobber extended drill is suitable for a wide range of applications, allowing you to access hard-to-reach areas where ordinary drills cannot. High hardness, sharp twist drill bits will make drilling easier and more efficient.

Specification: Drill Bit Diameter: 6.8mm / 0.27-inch; Flute Length: 120mm / 4.72-inch; Shank Diameter: 6.8mm / 0.27-inch; Total Length: 200mm / 7.87-inch; 1 x Lengthened Drill Bits

High Speed Steel: Made of high-speed steel, with high hardness, heat resistance, wear resistance, durability and long service life.

Extended Drill：The jobber extended drill is suitable for a wide range of applications, allowing you to access hard-to-reach areas where ordinary drills cannot. High hardness, sharp twist drill bits will make drilling easier and more efficient.

Specification: Drill Bit Diameter: 1mm / 0.04-inch, Flute Length: 70mm / 2.76-inch, Shank Diameter: 1mm / 0.04-inch, Total Length: 120mm / 4.72-inch; 20 x Mini Drill Bits

High Speed Steel: Made of high-speed steel, with high hardness, heat resistance, wear resistance, durability and long service life.

Extended Drill：The jobber extended drill is suitable for a wide range of applications, allowing you to access hard-to-reach areas where ordinary drills cannot. High hardness, sharp twist drill bits will make drilling easier and more efficient.

99pcs Drill Bits Include: 11pcs of each size( 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/35", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4", 17/64", 9/32", 19/64", 5/16", 21/64", 11/32", 3/64", 3/8", 25/64", 13/32", 27/64", 19/32", 29/64", 15/64", 31/64", 1/2") drilling dia M35 straight round shank twist drills, can accommodate a wide range of drilling needs.

M35 Twist Drill Bit: Made from M35 cobalt material which has the characteristic of high hardness and durability. The cobalt material gives the bit superior wear resistance and overall toughness, making it great for long-term use in a variety of drilling applications.

Quick and Clean Drilling: The external point angle design of this cobalt twist drill bit allows for fast and efficient drilling, with effective chip removal to prevent clogging, perfect for a range of materials including metal, wood, and plastic.

13pcs Drill Bits Include: 1pcs of each size( 1/17", 7/89", 6/61", 11/93", 12/95", 4/29", 14/89", 14/79", 17/90", 13/66", 21/97", 17/72") drilling dia M35 straight hex shank twist drills, can accommodate a wide range of drilling needs.

M35 Twist Drill Bit: Made from M35 cobalt material which has the characteristic of high hardness and durability. The cobalt material gives the bit superior wear resistance and overall toughness, making it great for long-term use in a variety of drilling applications.

Quick and Clean Drilling: The external point angle design of this cobalt twist drill bit allows for fast and efficient drilling, with effective chip removal to prevent clogging, perfect for a range of materials including metal, wood, and plastic.

99pcs Drill Bits Include: 16pcs 1/17", 16pcs 7/89", 15pcs 6/61", 10pcs 11/93", 10pcs 12/95", 8pcs 14/99", 8pcs 14/89", 3pcs 4/79", 3pcs 13/66", 2pcs 21/97", 2pcs 17/72", 2pcs 11/43", 2pcs 23/73", 2pcs 37/94" drilling dia high-speed steel straight shank twist drills, can accommodate a wide range of drilling needs.

Titanium Coated Surface: Made of high-speed steel with titanium nitride coating which can increase the hardness of the twist drill and reduces friction between the bit and the material being drilled. Suitable for use in both handheld drills and drill presses.

High Hardness Drilling Performance: Suitable for hardened materials and hard metals, such as cast iron, malleable iron, aluminum, wood, plastic etc., and also suitable for soft materials. Great replacement for your dull drill bit to improve work efficiency.