In this article we'll
explore the different types of metal drill bits, their uses, and properties.
Whether you need to drill through concrete, metal, or stone, this guide will
help you find the right specialist drill bit for the job. To get started, download
The Home Depot App, and start searching for the products you need quickly.
You'll find the information you need with just one tap. Getting started is as
easy as choosing the size of the drill bit you need.
Drill Bits for Metal
There are different types of specialist drill bits for metal. Hardened steel drill bits are primarily used for drilling stainless steel and other high-carbon steel materials. These drill bits are heat-treated, quenched, and tempered to increase their hardness. Low carbon steel, on the other hand, is naturally hard. This means that it is not as tough as hardened steel but still retains its sharpness. Stainless steel drill bits have a slightly higher price tag.
Socket bits are half
drill bits that can be used for screwdriver applications. They are cylindrical
with a hexagonal socket at one end. Depending on the size, socket bits can be
used for a variety of tasks. For convenience, some specialist drill bits for
metal kits come with additional tools, including a metal ruler, bandoleer, and
gauges. These bits are ideal for tightening bolts and nuts and can be found in
kits, which include a few different types of bits.
Uses of Specialist Drill Bits
Using a specialist drill
bit for a specific job is the best way to ensure a perfect hole. Drilling a
hole with a regular bit can cause a hole to be too shallow or too deep, and it
may poke out of the surface. Specialist drill bits are designed to prevent this
from happening. They are designed to drill precisely through a wide variety of
materials, including wood and some plastics.
Types of Specialist Drill Bits
Drill bits come in many different styles. They can be tungsten carbide, cobalt, or titanium nitride coated. What you need depends on the purpose and the material you're drilling. When selecting drill bits, consider their strength and durability. Also, consider whether you'll be hand-sharpening them. Titanium nitride drill bits will lose their superpowers if you sharpen them yourself.
The point angle is the
angle formed at the tip of the bit. The angle must match the type of material
you're drilling. In general, harder materials require a greater point angle,
while softer materials require a smaller one. The point angle also influences
how much wandering, chatter, and wear the bit will experience. To find the
right angle for your application, you'll need to determine the material type
and density.
Hammer bit: Hammer bits
are typically used for drilling into concrete, glass, or marble. Hammer bits
are ideal for drilling into high temperatures and can create precise holes in
concrete slabs. They are also often used to measure the humidity level of
concrete slabs. Bullet-point bits are designed to drill through wood, plastic,
or metal. They are usually the most expensive type of bit but will yield the
most accurate holes. But they're worth it.
Properties of
Specialist Drill Bits
Among the different types
of drill bits available in the market, cobalt drill bits are made from premium
cobalt and high-speed steel. These bits are more durable and have improved
heat-resistance. They are especially useful for drilling hard materials such as
stainless steel. Moreover, these bits also feature a black oxide coating that
prevents them from corrosion. These bits are also extremely durable and can
withstand extreme temperatures.
Self-centering drill bits
feature a tungsten-tipped tip that centers the bit properly. They can drill
through materials with a diameter of 16 mm or more. You should drill a pilot
hole about 25 percent larger than the reduced shank diameter before using one
of these drill bits. These bits are useful for drilling metals and wood. They
also come with a diamond ground carbide tip that shaves the pilot hole.
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