Top 10 Drill Bits for Hardened Steel – Jobber Drill Bits

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1. Owl Tools


Perfect Drill Bits for Metal, and More!, Hardened & Stainless Steel, Cast Iron, 13 Piece M35 Cobalt Drill Bits with Storage Case, Cobalt Drill Bit Set

Owl Tools #ad - Set of 13 cobalt drill bits - in the following imperial sizes 1/4", 7/32", 3/32", 11/64", 1/8", 13/64", 9/64", 5/64", 7/64", 5/32", 15/64", 3/16", 1/16". Cobalt drill bits are the perfect drill bits for metal - As well as other hard materials such as Stainless Steel, Titanium, Bronze, Hardened Steel, Cast Iron, and More!.

M35, 135° split point - our drill bits contain 5% cobalt, fully ground, are fully Grounded for a Precision Drilling Diameter. We try our best to ensure each product is in perfect condition before you get it, but if something is not up to your satisfaction, please contact us for a full refund or replacement.

Lifetime guarantee - here at owl tools usa based company we only care about your satisfaction. 135° split point design makes it Easier to Drill Repeated Holes in Harder Materials. Plastic storage case included - incredibly Tough and Durable Plastic Case. Perfect for keeping Your Cobalt Drill Bits Neatly Organized and Safe.
BrandOwl Tools #ad
ManufacturerOwl Tools #ad
Part NumberCobalt-Drill-Bits-13-Imperial



DEWALT Titanium Drill Bit Set, 21-Piece DW1361, Pilot Point

DEWALT #ad - Dewalt drill bit set has connectable accessory storage system to optimize storage space. Clip latch for secure closing. Patented web taper increases the rigidity of the bit to decrease potential for bit breakage.

Ideal for metal, wood, and plastic. Clear lid of the titanium drill bit set allows you to easily see contents at glance. Small bulk storage size fits inside the Small and Medium ToughCase plus sold separately - Ideal for organizing loose bits. Proprietary pilot point tip delivers speed and clear, burr-free holes which help reduce bit walking. Patented bit-bar design of the drill bits set allows easy removal of bits and customizable placement.
BrandDEWALT #ad
ManufacturerDewalt #ad
Height1.38 Inches
Length8.75 Inches
Weight3 Pounds
Width8.75 Inches
Part NumberDW1361
Warranty30 Day Money Back Guarantee



BOSCH CO14B 14 Pc. Cobalt M42 Drill Bit Set

BOSCH #ad - High-heat resistant bits – withstand high-temperature applications for extended periods of time. Standard bits. Enhanced m42 alloy material – contains 8% Cobalt alloy that delivers 10x life vs. Surface-hardened tip – penetrates tough abrasive materials. Cobalt m42 drill bit – provides upgraded m42 cobalt jobber-length bits designed for durability, titanium, cast iron, high heat resistance and Hardened surface for stainless steel, light-gauge metal and aluminum. Thick web-helix design – provides additional stability in tough applications.
BrandBOSCH #ad
ManufacturerBosch #ad
Part NumberCO14B
WarrantyProduct Defects Only



Stainless Steel, COMOWARE Cobalt Drill Bit Set- 15Pcs M35 High Speed Steel Twist Jobber Length for Hardened Metal, 1/16"-3/8", Cast Iron and Wood Plastic with Indexed Storage Case

COMOWARE #ad - Professional & widely use: m35 cobalt hss is more suitable for hardened material. Size included: 15pcs jobber length drill bit set with plastic storage case including sizes:1/16" 2pc, 7/32" 1pc, 7/64" 1pc, 5/16" 1pc, 9/64" 1pc, 5/32" 1pc, 5/64" 1pc, 1/4" 1pc, 3/32" 2pc, 3/16" 1pc, 1/8" 2pc, 3/8" 1pc.

100% satisfaction guarantee: if you are not 100% satisfied with your purchase for any reason whatsoever simply please feel free to contact us. Prevent walking, clear chips and particles faster. Produced by precision fully ground which ensures chips move smoothly. High quality material: 5% cobalt high Speed Steel M35 provide extended tool life compared to ordinary drill bits.

Particularly successful in cutting through hard metals such as stainless steel, titanium alloy, high temperature alloy, cast iron, hard plastics and woods, and also can be used for softer materials. Durable and strong. Twist design & performance: precise 135°split point, gold oxide finish and round straight shanks.
ManufacturerCOMOWARE #ad

5. Viking Drill & Tool


Viking Drill and Tool 44150 SP-29 Type 240-UB 135 Degree Split Point Magnum Super Premium Jobber Drill Set 29 Piece

Viking Drill & Tool #ad - Set premium high speed steel heavy Duty NAS 907B 135-Degree Split Point. 135-degree split point, 1/16 - 1/2 by 64ths. Special hi-molybdenum tool steel/ Gold Oxide. Nas 907b heavy Duty Jobber. 29 pc. Precision ground point, body, flutes, clearance and drill diameter for ultimate accuracy and performance.
BrandViking Drill & Tool #ad
ManufacturerViking #ad
Height1.88 Inches
Length7.13 Inches
Width4.25 Inches
Part Number44150



Cast Iron, Plastic and Wood with Indexed Storage Case, HIDOTOL Cobalt Drill Bit Set 15 PCS, M35 High Speed Steel Twist Jobber Length Drill Bits for Hardened Metal, 1/16"-3/8", Stainless Steel

HIDOTOL #ad - Fully ground twist design helps clear particles faster, decreases friction and heat for a cooler drilling performance. Particularly successful in cutting harden metals, titanium alloy, high temperature alloy, such as stainless steel, and it also can be used for softer materials.

Widely used - m35 cobalt high speed steel is more suitable for tough, hard plastics and woods, cast iron, high tensile strength material. Specifications - set of 15pcs jobber length drill bits includes: 1/16" 2pcs, 9/64" 1pc, 3/16" 1pc, 5/16" 1pc, 3/32" 2pcs, 1/8" 1pc, 5/64" 2pcs, 7/64" 1pc, 5/32" 1pc, 11/64" 1pc, 1/4" 1pc, 3/8" 1pc. 100% satisfaction guarantee - if you are not fully satisfied with our product for any reason, please feel free to contact us, we will try our best to serve you.

Characteristics - 135° split point with round straight shank, self-centering prevent walking, make drilling precise and faster. High quality material - high speed steel M35 Cobalt 5% provide extended tool life compared to ordinary drill bits when drilling hard materials.
BrandHIDOTOL #ad
ManufacturerHIDOTOL #ad
Height1.77 Inches
Length5.9 Inches
Weight0.67 Pounds
Width4.13 Inches
Part NumberLZ-COBALT-79968



DEWALT Titanium Drill Bit Set, 21-Piece DW1342

DEWALT #ad - Speed tip Reduces Walking. Bit case may differ from what is shown. No spin shanks. Ideal for drilling in metal, wood, and plastics. Titanium Coating for Longer Life. Includes tough case container to keep bits organized.
BrandDEWALT #ad
ManufacturerDewalt #ad
Height8.8 Inches
Length8.8 Inches
Weight1.06 Pounds
Width1.8 Inches
Part NumberDW1342
Warranty30 Day Money Back Guarantee



3 4 5 6 7 8 9 10 11 12 13.5 14 15mm, for Stainless Steel Copper Aluminum Zinc Alloy, Metal Drill YG Alloy Blade, JIUWU 13pcs Tungsten Steel Cemented Carbide Twist Drill Bits

JIUWU #ad - In the process of opening holes to continue to add water for cooling. Material: yg cemented Carbide + Chrome Vanadium Steel. Size: 3mm 4mm 5mm 6mm 7mm 8mm 9mm 10mm 11mm 12mm 13. 5mm 14mm 15mm. High toughness, abrasion resistance, high-speed cutting for the high hardness. Ideal for drilling in tough metal, including heavy-duty abrasive alloy metal drilling on hardened steel.
BrandJIUWU #ad
ManufacturerJiuWu #ad
Weight0.04 Pounds
Part NumberFYRHZT080

9. Drill America


KFD Series, Drill America, 1/2" x 64ths, KFD29J-PC 29 Piece Heavy Duty High Speed Steel Drill Bit Set with Black and Gold Finish in Round Case 1/16"

Drill America #ad - Black and gold oxide finish resists corrosion and increases the hardness of the drill bit. Self-centering 135-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging. Assortment of 29 jobber length drill bits includes inch sizes 1/16" to 1/2" in 1/64" increments. Comes in a plastic storage case. High-speed steel HSS provides hardness for wear resistance.
BrandDrill America #ad
ManufacturerDrill America #ad
Height3.5 Inches
Length7 Inches
Weight2.08 Pounds
Width3.25 Inches
Part NumberKFD29J-PC

10. Mars-Tool


2/Pack Solid Carbide Drill Bit for Hardened Steel Hard Ness HRa 91.3 Aerospace Standard K20 Tungsten Carbide Jobber Length Twist Drill for Metal 118 Degree Four Facet Point Fractional Size 3/32"

Mars-Tool #ad - Specs tungsten carbide grade iso: k20 / hardness: 91. 3 hra / binder: %8 cobalt / uncoated / flute length: 1 inch, Overall Length: 2 inch, Drill Size: 3/32 inch. 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.

Premium bright finish 2/pack multi-purpose solid carbide drill bits provide better rigidity than high speed steel bits. It is a very hard material being a 9 on the Mohs scale where diamond is a 10, quartz a 7 and hard steel around 4. 5. Spiral flutes are constructed with a higher flute angle to remove chips more easily. Smooth finish on the bits increases chip flow. Important, please read before buying tungsten carbide or cemented carbide is a composite material, although it looks like a metal, it is a composite of Tungsten carbide powder mixed with cobalt as a binder metal and the resulting material is more like a ceramic than a metal.

It is extremely heat resistant and used for high speed applications. 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. Due to its hardness, it will chew down into most anything But that hardness makes them brittle on side lo.
BrandMars-Tool #ad
ManufacturerMars-Tool #ad
Part NumberMT332SCD