Best Cutting Jobber Drill Bits in 2026

DEWALT drill bit set has connectable accessory storage system to optimize storage space

Patented bit-bar design of the drill bits set allows easy removal of bits and customizable placement

Clear lid of the Titanium Nitride Coated drill bit set allows you to easily see contents at glance

DEWALT 21-pack black oxide twist drill bit set is ideal for general-purpose drilling materials like metal, hardwood, softwood, PVC and fiberglass

Parabolic flute design increases chip ejection in metal and wood drilling applications

Black oxide coating helps resist corrosion and increase durability, so your drill bits last longer

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

135 Degree Split point tip design to help reduce walking

High Speed Steel to be used in plastic, wood, and metal

Tapered web design for extreme durability and resisting breakage

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

JOBBER LENGTH: 1/8-inch cutting diameter, 1-5/8-inch flute length, 2-3/4-inch overall length, 135 degree split point, straight shank

MADE FROM HIGH-SPEED STEEL AND 5% COBALT: improve much higher heat resistance because of cobalt steel's high red hardness, provide strong durable performance compared to typical hss drill bits

CAN BE REPEATEDLY SHARPENED AS NEEDED: cobalt drill bit's hardness is uniform throughout the entire material, so that can be repeatedly sharpened without damaging the cutting edge allowing it to drill more than hss drill bits

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

Hex shanks – allows use in impactors and hammer drill/drivers for added versatility

Robust high-quality carbide head – provides fast drilling in materials from masonry to plastic

Sharp ground cutting edges – designed for advanced performance

This product is easy to use.

This product is highly durable

This product is manufactured in China.

Sizes: 1/16 in., 5/64 in., 3/32 in., 7/64 in., 1/8 in., 9/64 in., 5/32 in., 11/64 in., 3/16 in., 13/64 in., 7/32 in., 15/64 in., 1/4 in., 17/64 in., 9/32 in., 19/64 in., 5/16 in., 21/64 in., 11/32 in., 23/64 in., 3/8 in., 25/64 in., 13/32 in., 27/64 in., 7/16 in., 29/64 in., 15/32 in., 31/64 in., 1/2 in.

Enlarge existing holes

Drill through sheet metal, hard steel, acrylics and brass

COBALT STEEL - Manufactured from M35 cobalt steel, with molybdenum and cobalt added to creates a hardened alloy, measuring Rockwell hardness up to 67, extremely heat resistant; for much faster cutting and extra longer life span, with up to twelve times when compared with an average HSS drill bit.

NO CENTER PUNCH NEEDED - The 135° Quick-Cut points are self-centering and penetrate quickly with less pressure. Will not "walk" or "wander". Straight shank allows for firmly holding and accurate centering, fit for standard drill chucks and regular round collet chucks. Must be used and operated at proper RPMs for maximum efficiency

25PC METRIC BITS - The set includes 25pcs of M35 cobalt steel twist drill bits: 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7mm, 7.5mm, 8mm, 8.5mm, 9mm, 9.5mm, 10mm, 10.5mm, 11mm, 11.5mm, 12mm, 12.5mm, 13mm. Well organized in a plastic indexed storage case for easy transport to your worksite.

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.

Premium Material: Manufactured from high speed steel for strength and durability

Storage: Supplied in a plastic storage box for easy storage and transportation

Widely Used: The 135° fast cutting point is automatically centered and penetrates quickly with less pressure,The drill kit meets all your requirements, including all common size specifications for Wood/Cast Iron/Aluminum Alloy/Plastic/Fiberglass

Optimized spurs insure fast and easy cutting of the wood fibers before the hole is drilled

Beveled edge for clean drilling of the diameter without any deviation

For use in soft, hard, exotic, veneered and laminated wood, as well as MDF and acrylic glass

【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.

PRECISION: Features Bosch’s unique product design with a precision tip to help solve any bit wandering or bit walking

QUALITY: This glass and tile set includes a high-quality carbide tip with a reinforced head to reduce stress, prevent bit cracking and the diamond ground cutting edges provide a longer life

VERSATILE: Perfect for common applications such as relief holes for glass cutting, bathroom and shower installs, drilling and fastening mirrors, setting concrete screws in tile and many more

HIGH SPEED STEEL: These metal drill bits for steel are made of high speed stainless steel and is designed to ensure sharp and fast execution in any material leaving clean results. This 8-piece drill-bit set is capable of drilling through plastic, copper, stainless steel, and other surfaces.

LARGE DRILL BIT SET: Heat treated carbon steel with a black enamel coating is durable and can withstand heavy duty operation for a long tool life.

PRECISION DRILLING SET: Bit is precision ground with geometry of 135-degree split point for quick self-centering penetration and an accurate start that prevents walking and clears chips and particles faster.

Premium M42 8% Cobalt Steel ,68-70 HRC (Rockwell Hardness Scale) ,Usually Give the Best Heat,Wear and Chip Resistance and Long Tool Life.

3 Steps Desigh for Cutting through Stainless Steel,Hard Metals,Aluminum,Plastic.

This Cobalt Drill Bit is Typically Capable of Running Three to Five Times Faster.Despite the Higher Price,the Cost Per Hole When Using Cobalt Drill Bit Will be the Lowest,Since It Can Produce So Many More Holes.

diameter 6mm 1/4 Inch,diamond length 8mm,Round shank

Multi-purpose drilling for granite & marble, masonry, concrete, tile/ceramic, glass, hard plastic,All-Purpose Drilling

Wax inside for cooling,our Diamond Tipped Drill Bits have wax cores built-in for Cooling and Lubrication.Special Designed with Hole and Groove in the Side of Drill Bit for Removing Stone Chips

Bright finish: Classic M2 High Speed Steel construction with Bright Finish for proven capability and durability.

Strength & Hardness: Made with HSS M2 steel, Rock wall Hardness Level HRC 62-63.

Package & Size: 12 Pieces in a plastic bag, Diameter 5/16 inch, Total length 4 inch, Working length 2-3/4 inch.

Titanium Nitride coating resists heat and friction, extending the cutting edge life up to 6 times that of other high-speed step drill bits

Made from premium high-speed steel for increased durability

135-degree split-point tip starts drilling immediately with less force and eliminates "walking" across the work surface

DRILL BITS SIZE: Jefe Hex 115 pcs set includes 29 pcs fractional sizes from 1/16" to 1/2" by 64ths increments; 26 pcs letter sizes from A To Z; 60 pcs wire sizes from #1 to #60. Almost cover all sizes you would use.

COBALT JOBBER DRILL BITS:115 pcs high speed steel with 5% cobalt drill bit set can resist high heat abrasion while drilling. M35 cobalt HSS twist drill bits is more suitable for hardened working material. Particularly adapt to drilling stainless steel, cast iron, high temperature alloy, titanium alloy and even hard plastics, and woods. Can also be used for soft materials.

TWIST DRILL BITS: Premium HSS with 5% Cobalt and 135° split point drill tip design guarantee 115 pcs drill bit keeping sharpness while drilling hard materials and prevent tips walking on the working surface. Proper twist and flute design clears chips and particles fast.

Cobalt drill bits: Classic 5% Cobalt M35 High Speed Steel construction with Titanium Coating for proven capability and durability.

Hardness: 5% Cobalt drill bits’ Rock wall Hardness Level HRC 65-66.

Package & Size: 10 Pieces drill bits in a plastic bag, Diameter 9/64 inch, Total length 2-7/8 inch, Working length 1-3/4 inch.

Single-flute cutting edges for greater control through steps

3-flatted shanks prevents slipping in drill chuck

Non-skid self-starting tips eliminate skidding and the need for center punching

Premium 6% Cobalt Steel ,66-69 HRC (Rockwell Hardness Scale) ,Usually Give the Best Heat,Wear and Chip Resistance and Long Tool Life.

Grinding the Cutting Edge Three Times,with the High HRC and Heat Resistance of the Material,Desigh for Cutting through Stainless steel , Iron plate, Aluminum,Ducts,Wood,PVC and Plastic.

This Cobalt Drill Bit is Typically Capable of Running Two to Three Times Faster.Despite the Higher Price,the Cost Per Hole When Using Cobalt Drill Bit Will be the Lowest,Since It Can Produce So Many More Holes.

JOBBER LENGTH: 5/32-inch cutting diameter, 2-inch flute length, 3-1/8-inch overall length, 135 degree split point, straight shank

MADE FROM PREMIUM M2 HIGH-SPEED STEEL: perform better because of its well-balanced toughness

TITANIUM NITRIDE COATING: add lubricity and hardness, enhancing chip flow, finish hole quality and drill life

1.Cutting edge is made of Top-class HSS (High Speed Steel).

2.Through special heat treatment, the cutting edge is sharp with high intensity.

3.Good cutting effect of ferrous and non-ferrous metals, be able to process stainless steel plates below 3mm

【M35 COBALT HIGH SPEED STEEL】1/8" 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 of this cobalt steel drill bit 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

Specification - 10Pcs 4mm cobalt drill bits, each kit contains a total of ten drill bits in the same size, Blade length: 43mm/1.7inch, 118 degree point, straight shank.

Material - HSS Cobalt high speed steel for super abrasive resistance in tough metals, improve much higher heat resistance because of cobalt steel's high red hardness.

Durable - HSS Cobalt Drill Bit provide strong durable performance compared to typical hss drill bits.

The flutes of a Fisch Pen Makers Bit are noticeably different from conventional style drill bits

This product is easy to use easy to install and highly durable

The cutting edge geometry of this bit guides it straight through tough end grain and guarantees a clean entrance and exit hole