Top 10 Brocas Para Metal Duro – Step Drill Bits

As an Amazon Associate I earn from qualifying purchases.

1. CO-Z


CO-Z HSS 5PCS Titanium Step Drill Bit Set with Automatic Center Punch, 50 Sizes in 5 High Speed Steel Drill Bits Set for Sheet Metal with Aluminum Case, Multiple Hole Stepped Up Bits for DIY Lovers

CO-Z #ad - Hss steel construction - High-speed steel construction for longer cutting edge life even at extreme temperatures. A must-have for handyman or professionals - Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper and many other types of sheet metal.

50 size in 5 - the bits set includes five standard step drill bits that can replace 50 individual drill bits. Titanium coating - coated by titanium, this step drill set performs well in heat, corrosion and rust resistance. Automatic center punch - delivers an automatic, high-impact, spring-loaded strike when pressed against surface, adjustable cap regulates striking force.
BrandCO-Z #ad
ManufacturerCO-Z #ad
Part NumberSDB-2017-06



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

DEWALT #ad - Small bulk storage size fits inside the Small and Medium ToughCase+ sold separately - Ideal for organizing loose bits. Patented bit-bar design of the drill bits set allows easy removal of bits and customizable placement.

Clear lid of the titanium drill bit set allows you to easily see contents at glance. Clip latch for secure closing. Ideal for metal, wood, and plastic. Dewalt drill bit set has connectable accessory storage system to optimize storage space. Proprietary pilot point tip delivers speed and clear, burr-free holes which help reduce bit walking. Patented web taper increases the rigidity of the bit to decrease potential for bit breakage.
BrandDEWALT #ad
ManufacturerDewalt #ad
Height1.38 Inches
Length8.75 Inches
Weight1.05 Pounds
Width8.75 Inches
Part NumberDW1361
Warranty30 Day Money Back Guarantee

3. BeHappy


BeHappy Drill Bit Set 29pcs, High Speed Steel Twist Drill Bit Set for Hardened Metal, M35 Cobalt Drill Bit Set, Cast Iron and Wood Plastic with Indexed Storage Case, Stainless Steel, 1/16"-1/2"

BeHappy #ad - Organized holder: cobalt drill bit set includes a drill stand with size index for easy storage and organization. Hss drill bit set :hss cobalt drill bit set for hardened steel has excellent cutting performance, The cutting edge is hardened and honed for sharpness, drill bit set 29pcs can be used for a long time, with superior sharpness, accurate cutting without shaking.

It can also be used in soft materials. M35 cobalt characteristics : m35 cobalt drills bit set is effective in drilling tough, cast iron, titanium alloy, superalloy, high tensile strength materials,drill bit is especially good at cutting hard metals such as stainless steel, hard plastic and wood. Size included: drill bit set 29pcs include 1/16", 15/64", 3/8", 1/4", 1/2", 11/64", 7/16", 11/32", 27/64", 31/64", 13/32", 9/64", 5/16", 17/64", 9/32", 21/64", 23/64", 15/32", 1/8", 7/64", 3/32", 13/64", 19/64", 25/64", 29/64", 7/32", 3/16", 5/32", 5/64", which can meet more requirements.

135° split point: cobalt drill bit set for hardened steel is 135° split point tip and torsional design to improve cutting speed, prevent walking, self-centering, and faster chip and particle removal. If you have any questions, please feel free to contact us, we will do our best to serve you. Drill bit set is suitable for most brands on the market. Reliable quality and considerate service.
BrandBeHappy #ad
ManufacturerNA #ad
Height2.56 Inches
Length8.27 Inches
Width4.92 Inches
Part NumberGoldmoon Industry
ModelGoldmoon Industry



INTOO Drill Bit Set 13 Piece 1/16"-1/4" Hex Shank Quick Change Impact Driver Bit Set for Metal,Wood and Plastic Titanium Drill Bits Set

INTOO #ad - B>specifications:13pcs titanium drill bits set, 13/64", 11/64", 7/32", 564", 7/64", 3/16", 9/64", 1/8", 15/64", include 1/16", 3/32", 5/32", 1/4" bit set with 1/4 hex shank. B>highlights: special plug hex shank of quick change drill bit is an upgrade version, it shows excellent performace than normal pressed hex shank, avoid drills peeling from the hex shank, effectively keep hex shank locked with drill bits during impact drilling process.

Ideal for diy, plastic, can be widely used in Steel, Wood, home and general building/engineering using. Ideal impact drill bit set and drill bits for metal. B>characteristics: 135° split point not only promises cutting speed, but also prevents slipping when start drilling;Titanium coating increases the ware-resistance and durability, effect long life drilling.

B>quick change: 1/4 inch hex shank of hex bit set well fits all power tools, especially for locking into quick change chucks, suitable for makita drill and makita impact driver, dewalt drill bits set, milwaukee drill bit set, effects quick change more easily and securely. Non-disposable packing makes sure the drills well stored. B>widely used: industry grade high speed steel drill bit sets with high hardness, etc.
BrandINTOO #ad
ManufacturerLinrui Tools #ad
Height3.15 Inches
Length3.94 Inches
Width0.59 Inches



Size from 1/16" up to 3/8", Anti-Walking 135° Tip High Speed Steel, 99 Pieces Titanium Twist Drill Bit Set, with Hard Storage, Ideal for Wood/Steel/Aluminum/Zinc Alloy

HURRICANE #ad - Process treatment: titanium coated surface prevent rusting, which increase the hardness of the drill bit and reduces heat buildup, make the twist drill bit more wear-resisting for longer life.

Premium material: Manufactured from high speed steel for strength and durability. Storage: supplied in a plastic storage box for easy storage and transportation. Includes:1/16" 16 piece,5/64" 16 piece,3/32" 15 piece, 7/64" 10 piece,1/8" 10 piece,9/64" 8 piece,5/32" 8 piece,11/64" 3 piece,3/16" 3 piece,13/64 2 piece,7/32" 2 piece,1/4" 2 piece,5/16" 2 piece,3/8" 2 piece. Widely used: the 135° fast cutting point is automatically centered and penetrates quickly with less pressure, wood, including all common size specifications for metal, The drill kit meets all your requirements, plastic.
ManufacturerJiangsu Sainty Sumex Tools Corp Ltd #ad
Part NumberTE-NT4G-MY3C



Metric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard Metal 1mm-10mm/19pcs

STROTON #ad - 3 steps desigh for cutting through Stainless Steel, Hard Metals, Aluminum, Plastic.19pcs 135 degree split point drill bits includes :1mmlength:3. 4cm\1. 5mm\2mm\2. 5mm\3mm\3.

5mm\4mm\4. 5mm\5mmlength:8. 5cm\5. 5mm\6mmlength:9cm\6. 5mm\7mm\7. 5mm\8mmlength:11. 5cm\8. 5mm\9mm\9. 5mm\10mmlength:13cm DIA 05mm Increments. Premium m42 8% cobalt steel, 68-70 hrc rockwell Hardness Scale, usually give the best heat, Wear and Chip Resistance and Long Tool Life. 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. The sufficiently sharp bit edge can cut the metal Material into Long Strips of Iron Chips rather than Slowly Grinding Throng the Material with a Blunt Drill Bit.
BrandSTROTON #ad
ManufacturerSTROTON Ltd #ad
Part NumberM42 Cobalt-8(19pcs)

7. Drill America


Drill America, 1/2" x 64ths, KFD Series, 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 - Assortment of 29 jobber length drill bits includes inch sizes 1/16" to 1/2" in 1/64" increments. High-speed steel HSS provides hardness for wear resistance. Comes in a plastic storage case. 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.
BrandDrill America #ad
ManufacturerDrill America #ad
Weight2.08 Pounds
Part NumberKFD29J-PC



Short Length Drill Bits Set of 5 pcs, COMOWARE Step Drill Bit Set & Automatic Center Punch- Unibit, Double Cutting Blades, High Speed Steel, Total 50 Sizes with Aluminum Case, Titanium Coated

COMOWARE #ad - Suitable for home diy, you can process different kinds of diameter holes, and General Building/Engineering Use. Hss titanium coating - high speed steel along with titanium coating ensures outstanding durability and sharpness, can reduces the friction, runs cooler.

Set includes - the drill bits set includes five common sizes for versatility, can fit the majority of brands currently on the market. Easy organizing - a drill bits holder with size index is included in the metal kit for easy storage and organizing without fear of it falling out.

Design - the split point tip is at 118 degrees to increase the wear resistance. Meet your demands - with the step drill bits we offered, which greatly saves you a lot of trouble. Great for metal/wood/plastic countersunk. The two flute design provides a smoother cutting, allows the material particles escape easily for a much more clean drilling operation.
ManufacturerCOMOWARE #ad

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



MOHOO 5PCS 16-30MM HSS Drill Bit Hole Saws Set Stainless High Speed Steel Metal Alloy

MOHOO #ad - Special heat treatment: through a special heat treatment, the mohoo hole saw drill bit set with sharp edge, high strength. Material of mohoo hole drill bit: Mohoo 5pcs drill bit hole saw set is made of HSShigh speed steel.

Hole saw kits can drill about 7/9" depth for the wood, mild steel, iron, aluminum plate, alloy plate, round holes in stainless steel, plastic sheet, copper, and 1/5" for the stainless steel. Wide application: hole saw kit set is suitable for hand-held electric drill, vertical electric drill and mobile belt magnetic drilling machine. Size of 5 hole saw drill bit: 16mm/062", 20mm/078", 25mm/098", 18. 5mm/072", 30mm/1. 18". Precise and efficient: the carbide teeth of mohoo hole saw kit is able to cut clean, brass and etc.
BrandMOHOO #ad
ManufacturerGruory #ad
Height0.1 Inches
Length0.1 Inches
Weight0.1 Pounds
Width0.1 Inches
Part NumberMOHOOYceKnGH4x*1