Best Zinc Jobber Drill Bits in 2026

Titanium Nitride Coated two flute spiral design provides longer life and better chip removal

Split point tip increases speed

Laser engraved numbers increases step visibility

Drill bits are made of M-42 5% Cobalt Alloy Steel high-speed steel for super abrasive resistance in tough metals

135 split point reduces feed pressure for easy penetration without work hardening

Each drill bit has a heavy-duty spiral flute design that produces faster chip ejection

M-35 Cobalt Alloy Steel Construction for Durability in abrasive materials

Jobber drill bits feature 135-Degree Split Point Tips for reduced bit walking

Straight shank works in both keyed and key-less drill chucks

PREMIUM GRADE: KFD Killer Force Jobber Length Drill Bits are manufactured from M2 premium grade, high speed steel with a gold and black surface treated for use with stainless steel and other hard metal drilling

BEST USES: Can be used for most general use applications and compatible for multi material drilling with aluminum, iron, wood, plastic and stainless steel, offering a combination of hardness and toughness for wear resistance

HEAVY DUTY CUTTING: 135 degree split point for self-centering and fast precision drilling; Round shanks allow use with many tool holding systems; When run counterclockwise (right hand cut) spiral fluted tools evacuate chips to reduce clogging

This product is easy to use.

This product is highly durable

This product is manufactured in China.

【10Pcs 1/4" TWIST DRILL BITS】10Pcs - 1/4”(Dia 6.35mm) x 2-3/4”(Flute Length 69.85mm) Metal Drill Bits.This drill bit fits the majority of power drill currently on the market and come with a portable plastic case for easy storage and organization.

【PREMIUM HSS TITANIUM Coating】Industry grade 4341 high speed steel drill bit set, harder than 4241 HSS used in other similar drill bits set. Titanium coating increases wear-resistance and durability.

【FULLY GROUND PROCESS & 135° SPLIT POINT】Fully ground spiral groove design clears particles quickly, decreases friction and heat for a faster and cooler drilling performance. 135° Split Point with straight shank prevents walking and makes drilling precise. No center punch is needed.

【M35 Cobalt High Speed Steel】Industry grade M35 high speed steel drill bit set, much harder than HSS used in other similar drill bits set. These drill bits contain 5% Cobalt, which increases wear-resistance and durability.

【Most Commonly-Used 13 Sizes】A complete combo set of 13 jobber length industrial drill bits for metal drilling (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") . They fit the majority of power drill currently on the market and comes with a portable plastic case for easy storage and organization.

【Precise & Efficient Drilling Performance】✔ Fully Ground spiral groove design clears particles quickly, decreases friction and heat for a faster and cooler drilling performance. ✔ 135° Split Point with round straight shank prevents walking and makes drilling precise and faster. No center punch is needed.

M35 COBALT HIGH SPEED STEEL: 3/8" drill bits for metal made from M35 Cobalt High Speed Steel and contain 5% Cobalt, which increases wear-resistance, durability and extra longer life span, so that the drill bits last through multiple uses.

135° SPLIT POINT: 135°quick-cut pilot split points are self-centering and can penetrate quickly with less pressure. Straight shank allows for firmly holding and accurate centering and makes drilling precise and faster.

FULLY GROUND PROCESS: Fully ground spiral groove design clears particles quickly, decreases friction and heat for faster drilling performance.

1/8" drill bits for metal is made of M35 cobalt high-speed steel, containing 5% cobalt, which increases wear resistance and durability, and enhances its use efficiency

135°Quick cut flow point, precise positioning, lower pressure, fast penetration. Equipped with a straight shank to prevent walking, making drilling more precise and fast

Fully ground spiral groove design clears particles quickly,decreases friction and heat for faster drilling performance

Features: Cutting Edge Diameter : 6.5mm / 0.26"; Shank Diameter : 6.5mm / 0.26"; Cutting Edge Length: 62mm / 2.44"; Total Length : 100mm / 3.94"; 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 : 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.

Diamond Welded Tip for Greater life and Durability

Reverse Spiral Thread Delivers Continuous Water Feed for Longer Life and Increased Speed

Core Ejection Slot Removes Plug for Repetitious Holes

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

135°Split point, straight shank, sharp spiral groove, coffee bronze coating.

3/16" inch Diameter 4.8mm for reference. Real exact size is 4.76mm. 3/16" equals to 4.7625mm, this drill bit diameter is almost real 3/16".

Flute length 2 1/16"(52mm), total length 3 7/16"(86mm).

★【Premium Bright Finish 2/Pack】 multi-purpose solid carbide drill bits provide better rigidity than high speed steel bits. It is extremely heat resistant and used for high speed applications. Our tungsten carbide (WC) bits has the advantage of cutting metal either "wet" or "dry" and they provide solutions for many businesses such as aerospace drilling jobs for aircraft mechanics, precision machining, hobby supply, etc.

★【Recommended For Use On】 aircraft metals chrome titanium inconel stainless steel Alloys Steel Low-Medium-High Carbon Steel Aluminum Copper Glass Plastics Composite Materials Cast Iron -- Our Carbide drills stay sharp many times longer than traditional steel bits making them ideal for the toughest of applications!

★【Optimal Design for Metal Work】 118° four facet point angle minimizes drill wander and assures accurately sized holes. Our jobber length, precision ground carbide drills are designed for high feed rates with good chip disposal. smooth finish on the bits increases chip flow. Spiral flutes are constructed with a higher flute angle to remove chips more easily.

【5Pcs 3/8" Cobalt Drill Bits】5Pcs - 3/8”(Dia 9.26mm) x3-5/8”(Flute Length 92.08 mm) Metal Drill Bits.This drill bit fits the majority of power drill currently on the market and come with a portable plastic case for easy storage and organization.

【M35 Cobalt High Speed Steel】Industry grade 6542 high speed steel drill bit set, harder than 4241 HSS used in other similar drill bits set. These drill bits also contain 5% Cobalt, which increases wear-resistance and durability.

【Fully Ground Process & 135° Split Point】Fully ground spiral groove design clears particles quickly, decreases friction and heat for a faster and cooler drilling performance. 135° split point with straight shank prevents walking and makes drilling precise and faster. No center punch is needed.

Great product and very good quality. Made from M35 Hight-speed Steel and 5% Cobalt.Size:7.0mm,Total lengh:4.33inch,Work lengh:2.75inch

The blades are very sharp and they drill into metal fast.Including Steels,Cast Iron ,Copper,Galvanized Pipe,Aluminum Alloy,Wood, Plastic and Other Hard Metals.If drilling hard metal, Highly recommended use drilling press and control RPM.Not for Glass or Ceramic Materials.

Full-grinding Nitriding,Good Wear resistance,Durable,Spiral groove design, well chip removal performance.135 Tip & Twist Design,Increases cutting speed with self-centering and prevents walking.

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.

【Titanium Drill Bit Sets】：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", 1/2". This 29 PCS metal drill bit set meets all your needs

【Material】: High-Speed Steel M2 Titanium drill bit set can effectively drill tough and high tensile materials. The metal drill bit is especially suitable for cutting hard metals, such as stainless steel, cast iron, superalloys, titanium alloys, rigid plastics, and wood, It can also be used in soft materials

【Characteristics】: The jobber drill bit is 135°split point with a round straight shank, self-centering prevents walking, makes drilling precise and faster. Spiral design and full grinding process is adopted fully ground process twist design helps clear particles faster, decreases friction and heat for a cooler drilling performance

【Titanium Drill Bit Set】: Include Includes 16pcs 1/16", 16pcs 5/64", 15pcs 3/32", 10pcs 7/64", 10pcs 1/8", 8pcs 9/64", 8pcs 5/32", 3pcs 11/64", 3pcs 3/16", 2pcs 15/64", 2pcs 7/32", 2pcs 1/4", 2pcs 5/16", 2pcs 3/8" Various sizes of drill bits make you fully qualified for various tasks

【Material】: High-Speed Steel Titanium drill bit set can effectively drill tough and high tensile materials. The metal drill bit is especially suitable for cutting hard metals, such as stainless steel, cast iron, superalloys, titanium alloys, rigid plastics, and wood, It can also be used in soft materials

【Characteristics】: The jobber drill bit is 118°split point with a round straight shank, self-centering prevents walking, and makes drilling precise and faster. Spiral design and full grinding process is adopted fully ground process twist design helps clear particles faster, and decreases friction and heat for a cooler 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.

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.

Material: Made of alloy steel, it provides a combination of hardness and toughness to improve wear resistance, and undertakes complex drilling tasks in places where accuracy is crucial.

Function: All-grinding spiral groove design can quickly remove particles, reduce friction and heat, and thus improve drilling performance.

No center punch needed: The 135° fast cutting points is self-centering, and it can quickly penetrate with less pressure.

Most durable, fastest holes

A dual spiral flute combined with the Rapid Strike Tip delivers up to 2X faster holes than competitive impact step bits

With an OPTIMIZED SHOCKZONE and a titanium aluminum nitride coating, these bits last 5X longer than competitive impact step bits

【SELF CENTERING】Would you feel trouble by reason that the drill could not precise position easily during working? No worries! Designed with 135° split point, BOEN drill bit set features the characteristics of preventing walking and cuts stainless steel more fasterly. The handle is straight and round, which means that the high-speed drill can be compatible with all kinds of equipment.

【Convenient Spiral Groove】 A spiral groove design of drill bit set can quickly remove particles while working, reduce friction and heat, thereby improving drilling performance. With it, your powerful machine can easily do DIY, home maintenance, repairs, and more.

【Superior Material】M35 high-speed drill is durable, safe and eco-friendly. The 5% cobalt content extends the tool life and ensures higher heat resistance of the drill. Compared with ordinary drill, it is not only for good performance but also for more important thing--high efficiency!

【20PCS 1/4" Cobalt Drill Bits】20PCS - 1/4"(Drilling Diameter) x2-3/4"(Flute Length)x4"(Overall Length) Metal Drill Bits. This drill bit fits the majority of power drill currently on the market.

【M35 Cobalt High Speed Steel】Industry grade M35 high speed steel drill bit set, harder than 4241 HSS used in other similar drill bits set. These drill bits also contain 5% Cobalt, which increases wear-resistance and durability.

【Fully Ground Process & 135° Split Point】Fully ground spiral groove design clears particles quickly, decreases friction and heat for a faster and cooler drilling performance. 135° split point with straight shank prevents walking and makes drilling precise and faster. No center punch is needed.

115 pc Set High Speed Steel Bright Finish Jobber - General Purpose 118-Degree Point

1/16 - 1/2 by 64ths, #1 - #60, A - Z 118-Degree Point

High speed steel provides good wear resistance, can be used in general purpose applications for ferrous and nonferrous materials

6 Most Common Size - 3mm, 4mm, 5mm, 6mm, 6.5mm, 8mm, to satisfy all your needs. This drill bits set fits the majority of power drill currently on the market.

Premium Quality - Made of HSS Material with Titanium Coated, the drill bits edge sharp, faster with less effort. Provides 2X life over standard impact drill bits.

Fully Ground Spiral Groove Design - Quickly decreases friction and heat for a faster and cooler drilling performance. 135° Split Point with straight shank prevents walking and makes drilling precise and faster.

[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.

【Size】Cutting Edge Diameter : 14mm / 0.55"; Shank Diameter : 10mm / 0.39"; Cutting Edge Length: 56mm / 2.2"; Total Length : 150mm / 6"

【Hard & Durable】 Made of tungsten steel material, the twist drill bits are hard enough, anti-bending and will not fracture easily. The surface coating can better protect the drill bit sets from corrosion and espand their longlife.

【Sharper & Quicker】The sharp cutting edge and spiral flutes promote faster as well as preciser drilling. Helping you work more efficiently and get rid of glitches or scrap.