10 bestMetal Drill Bitsof September 2025
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1
Hi-Spec 99pc Complete HSS Mixed Drill Bit Set. 1 to 10mm Titanium Coated High Speed Steel Drill Bits for Metal, Wood & Plastic. All In a Box Case
Hi-Spec
10.0
17% off
2
Hi-Spec 130pc Mixed Multi Drill Bit Set. 1 to 10mm HSS Titanium Coated, Masonry & Brad Point Steel Bits for Metal, Woods, Plastics, Brick and Concrete. Complete in a Box Case
Hi-Spec
10.0
3
Metric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard Metal (1mm-10mm/19pcs)
STROTON
9.9
4
Rennie Tools - Box of 10 x 5mm HSS Gold Cobalt Jobber Drill Bit Set For Stainless Steel, Hard Metals, Aluminium, Cast Iron, Copper. Twist Drill Bit Sets Supplied In A Box. 5mm Drill Bit Set
Rennie Tool Company
9.7
11% off
5
Bosch Professional 18pcs. HSS Twist Drill Bit PointTeQ (for Metal, in ToughBox, Ø 1-10 mm, Accessory Drill)
Bosch
9.5
OtherUp to 64% off
VonHaus HSS Metal Drill Bit Set with Carry Case Organiser - 99 Pcs 1.5-10 mm High Speed Steel Bits Titanium Coated Steel - For Drilling Wood, Masonry and Metal - Accessories Drills and Screwdrivers
Milwaukee 4932352374 Drill, Set 19 Piece 1-10mm
Bosch Professional 2608587014 19-Piece HSS-Cobalt ProBox Metal Drill Bit Set (for Stainless Steel, Accessories for Drill Drivers), Gold, 1mm-10mm
Bosch Professional 25pc. HSS-G ProBox Metal Drill Bit Set (for Steel, Ø 1-13 mm, Accessories Drill Driver and Drill Stand)
6
Bosch Professional 9pc PointTeQ Hex Drill Bit Set (for Metal, Ø: 2-8 mm, Total Length: 60-117 mm, ¼’’ Hex Shank, Accessory for Impact Drivers and Drill Drivers)
Bosch
9.3
12% off
7
3PCS Premium HSS & Cobalt Spiral Step Drill Bit Sets (1/4"-7/8"), TiAlN Coated for Superior Durability, Cone Drill Bit for Sheet Metal, Stainless Steel, Aluminum, Wood, Plastic and DIY Projects
ss shovan
9.1
8
Rennie Tools - Box of 10 x 3mm HSS Gold Cobalt Jobber Drill Bit Set For Stainless Steel, Hard Metals, Aluminium, Cast Iron, Copper. Twist Drill Bit Sets Supplied In A Box. 3mm Drill Bit Set
Rennie Tool Company
8.9
9
Rennie Tools - Box of 10 x 1.6mm (1/16") HSS Gold Cobalt Jobber Drill Bit Set For Stainless Steel, Hard Metals, Aluminium, Cast Iron, Copper. Twist Drill Bit Sets In A Box. 1.6mm Drill Bit Set
Rennie Tool Company
8.7
10
Amazon Basics High Speed Steel Drill Set for Metal, Wood, & Plastic, 14 Pieces, 1.5 - 10mm
Amazon Basics
8.5
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A Guide to Selecting the Best Metal Drill Bits
When selecting metal drill bits, it's important to consider the type of metal you'll be drilling into, as well as the specific requirements of your project. Metal drill bits are designed to cut through various types of metal, and choosing the right one can make your work more efficient and precise. Understanding the key specifications will help you select the best drill bit for your needs, ensuring durability and effectiveness.
Material
The material of the drill bit is crucial because it determines the bit's durability and effectiveness in cutting through metal. Common materials include high-speed steel (HSS), cobalt, and carbide. HSS is suitable for general-purpose drilling in softer metals, while cobalt bits are more heat-resistant and ideal for harder metals like stainless steel. Carbide bits are the hardest and most durable, perfect for heavy-duty drilling in very hard metals. Choose the material based on the hardness of the metal you will be drilling.
Coating
Coatings on drill bits enhance their performance by reducing friction and increasing durability. Common coatings include black oxide, titanium, and nitride. Black oxide provides corrosion resistance and is suitable for general use. Titanium coatings increase the bit's hardness and heat resistance, making them ideal for drilling harder metals. Nitride coatings offer even greater durability and are used for high-performance applications. Consider the coating based on the frequency of use and the type of metal you are working with.
Size
The size of the drill bit is important because it determines the diameter of the hole you will create. Drill bits come in a wide range of sizes, typically measured in inches or millimeters. Smaller bits are used for precision work and creating smaller holes, while larger bits are used for bigger holes. Choose the size based on the specific requirements of your project, ensuring it matches the size of the screws or bolts you plan to use.
Point Angle
The point angle of a drill bit affects how it cuts into the metal. Common point angles are 118 degrees and 135 degrees. A 118-degree angle is suitable for softer metals and general-purpose drilling, providing a sharper point for easier penetration. A 135-degree angle is flatter and more robust, ideal for harder metals as it reduces walking and provides better control. Select the point angle based on the type of metal and the precision required for your project.
Flute Design
The flute design of a drill bit refers to the grooves that spiral around the bit, which help remove chips and debris from the hole. Standard flutes are suitable for most drilling tasks, while parabolic flutes are designed for deep hole drilling, providing better chip removal. Consider the flute design based on the depth of the holes you need to drill and the type of metal, ensuring efficient chip removal and preventing bit clogging.
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