All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier

Metric drill bit set

(2647 products available)

About metric drill bit set

Types of Metric Drill Bit Set

Metric drill bit sets come in diverse types to cater to multiple drilling requirements. Be it in construction, manufacturing, or any other domain, understanding these types ensures that business buyers select the most appropriate set for their needs. This decision directly impacts efficiency and productivity.

Twist Drill Bits

Twist drill bits are among the most commonly used bits. They have a helical shape that enables the removal of metal shavings (or swarf) from the holes being drilled. This makes them suitable for deep, narrow holes. In most cases, these drill bits are manufactured using high-speed steel (HSS) or cobalt steel to enhance their sharpness and strength. Therefore, a metric drill bit set with a twist drill bit is ideal for basic metal and wood drilling tasks.

Straight Shank Drill Bits

Straight shank drill bits have cylindrical shanks that perfectly fit into a drill chuck. These bits are suitable for light to medium drilling in metal, wood, and plastic. In most cases, they are manufactured using HSS. A straight shank drill bit is ideal for businesses that require basic, non-intensive drilling tasks.

Jobber Drill Bits

These are general-purpose drill bits that can be used for multiple tasks. They have a standard length and are often suitable for medium-depth drilling. Thus, a metric jobber drill bit set is ideal for drilling into metal, wood, and plastic. Also, it performs well in mild steel and aluminum.

Spade Drill Bits

Spade drill bits are also known as paddle bits. These bits are especially designed for drilling into wood. Due to their flat blades, they remove substantial wood material quickly. Therefore, a bit set with spade bits is perfect for businesses that frequently drill large-diameter holes in wooden materials.

Tapered Drill Bits

The drill bits, as their name says, gradually decrease in diameter toward the tip. They are mainly used to create a tight-fitting hole. Tapered bits are ideal for shaping purposes. This means a tapered drill bit set is useful for businesses working with materials that require precise hole dimensions for dowels or fittings.

Material of Metric Drill Bit Set

Businesses should consider the materials of metric drill bit sets to guarantee long-lasting drilling solutions. The material affects hardness, sharpness retention, and corrosion resistance, which are crucial for varied drilling tasks.

High-Speed Steel (HSS)

HSS drill bits, as the name says, are fabricated from a high-speed steel alloy. They are widely used for general-purpose drilling. They can withstand high temperatures without losing their hardness. HSS bits are suitable for drilling into metal, wood, and plastic. They offer a great balance between hardness and durability. Also, they retain sharpness for extended use. This makes them a preferred choice for businesses in mechanical repairs or woodworking.

Cobalt Steel Alloys

Cobalt steel bits are popular in the category of metal materials. The cobalt content makes them extremely hard and heat-resistant. These bits are especially effective when drilling into tough materials like stainless steel and titanium. They also have high wear resistance. Therefore, a cobalt drill bit set is ideal for businesses in aerospace, automotive, or heavy machinery manufacturing. They require bits that can endure long drilling sessions without dulling.

Carbide-Tipped

Carbide-tipped drill bits come with tips made from carbide, which is one of the hardest materials available. The parts are fused onto a steel bit, providing a sharp, wear-resistant edge. These bits are most suitable for drilling into hard materials. These materials include concrete, glass, and hardened steel. In addition, carbide-tipped bits maintain sharpness longer than HSS or cobalt bits.

High-Carbon Steel

High-carbon steel bits are fabricated from steel that has a high carbon content. This makes the steel hard but less heat-resistant. These bits are suitable for lightweight applications, mainly in wood. Businesses should use these bits in low-heat environments. This is because high-carbon steel can become brittle when exposed to high temperatures for long.

Brazed Diamonds

Brazed diamond bits are commonly required by businesses in the construction and mining industry. This is because they provide the ability to drill through very hard materials. They are called razor bits because finely edged diamonds are brazed onto the tip. These bits are ideal for drilling into concrete, asphalt, and various stone types.

Scenarios of Metric Drill Bit Set

To make the right choice, businesses must consider the various scenarios in which metric drill bit sets are used. Understanding these contexts helps to ensure the selected set meets operational demands effectively. Below are common contexts that require metric drill bit sets.

Machine and Equipment Maintenance

These sets are essential for many machine maintenance tasks. The machines have parts with imperial-threaded holes. Wrongly using the drill bits leads to costly mistakes. That is why drill bit sets that have metric sizes should be in mechanical repair shops. They handle foreign machinery and equipment. Companies in aerospace and technology also depend on them to keep complex systems functioning effectively.

Construction Projects

Metric drill bit sets are regularly used in construction projects as they are in many other uses. The construction industry frequently requires precision and the ability to drill into various materials. In particular concrete and metal. These sets work well for drilling anchor holes in concrete or installing fixtures in metric-sized metal components. If construction companies get drill bits sets that have metric sizes, they will achieve high precision.

Manufacturing

Manufacturing industries also need these drill bit sets for various tasks. They use them to fabricate metal parts, assemble equipment, and create machinery. In most cases, they drillers use jobber drill bits when working on average tasks. For heavy-duty drilling, tapered bits are the go-to options. Businesses that manufacture products in bulk also want these drill bits. It is because they ensure consistency in creating multiple products.

Woodworking

The woodworking industry uses other types of drill bit sets differently. For instance, spade bits are used when creating large holes in wood. High-speed steel bits, on the other hand, are suitable for precision drilling in finer woodworking tasks. Woodworking businesses drill wood with varying diameters. Getting metric drill bit sets will ensure that all their tasks are done smoothly.

Metalworking

Metalworking industries also use these bit sets, just like other industries. They use them when drilling, tapping, and machining metal components. In this industry, cobalt steel drill bits work well. They last and drill hard metals without losing their edge. Also, they are perfect for jobs that require high heat. The fact that they can survive long heat exposure means they are suitable for machining parts.

Specification & Maintenance of Metric Drill Bit Set

For the effectiveness of any drill bit set to be guaranteed, businesses must adhere to the right specifications and maintenance practices. These factors impact durability, precision, and overall drilling performance. Below is detailed info on the various specifications and maintenance practices of drill bit sets.

Material Quality

It plays a pivotal role in the performance of a metric drill bit set. High-speed steel, cobalt, or carbide-tipped bits offer different advantages depending on the drilling application. Cobalt bits are ideal for tough materials. In contrast, carbide-tipped bits work best for hard substances like concrete and glass. Therefore, businesses should consider the drilling needs of their customers before settling on a specific material.

Bit Size

A metric drill bit set comes in various sizes. Usually, they range from 1mm to 13mm. Smaller bits are used for delicate tasks like electronics or thin metal drilling. On the other hand, larger bits are for substantial tasks like wooden blocks or concrete slabs. To achieve effective drilling, businesses must have a diverse range of sizes in stock.

Tapered Bits

These bits gradually decrease in diameter, making them ideal for creating tapered holes. Business owners should look for bits with a smooth taper to ensure precision in producing dowel or hinge seats. In most cases, tapered drill bits are measured in degrees of taper. Hence, the drill bits that have a gentle taper are preferred for softwoods. At the same time, those with a steep taper are recommended for hardwoods.

Regular Cleaning

It is ideal for the maintenance of metric drill bit sets. After every use, users should clean the bits to remove debris and residue. They should use a wire brush or compressed air for this task. It should not be forgotten that this cleaning should happen every time before and after using the bits so they do not get damaged. This will also ensure that the bits are always ready for use.

Lubrication

Lubrication is another effective practice for maintaining these drill bits. The drill bits should be lubricated at least once a week with cutting oil. This practice reduces friction when drilling. It also helps prevent overheating. Businesses that use their drill bits frequently should increase the rate of oiling to daily or even more often.

Proper Storage

The metric drill bits should be stored in a dry area to avoid rust. In addition, storing the bits in a protective case or holder prevents them from getting damaged. It also ensures that their sharp edges remain intact. In most cases, drill bit sets are packaged in cases that make it easy for woods workers to keep them organized and easy to transport.

Regular Inspection

Drillers should regularly check the sharpness and integrity of the drill bits. Users should look out for any signs of wear, chipping, or rust. It is good practice to replace worn bits to ensure quality drilling. This helps avoid accidents caused by inoperable bits.

Q & A

Q. What are metric drill bits used for?

These mill bits are generally used for boring holes in the materials. Their metric sizes make them suitable for working with equipment that measures in millimeters. Often, these drill bits are employed in mechanical tasks, metalworking, woodworking, and construction projects. In these projects, there is a need for precision, particularly when dealing with European or Asian materials and machinery.

Q. How does one maintain drill bits of a metric drill bit set?

There are several effective ways to maintain these drill bits. The practices include regular cleaning, lubrication, and storage in protective cases. Conducting regular inspections to check for wear and tear also ensures that the bits remain effective. They should be replaced as soon as they show signs of damage to avoid accidents.

Q. Are more expensive metric drill bit Sets worth it?

Yes, up there are buyers who do prefer premium drill bits. They are often made of high-quality materials like cobalt or carbide. These bits offer better durability and performance, especially for rigorous tasks. Buyers should also consider the drilling conditions and materials. If the projects frequently involve hard substances, investing in high-performing bits will be beneficial in the long run.

Q. How are metric drill bits different from imperial drill bits?

The main difference between these two bits lies in their sizes. It is the mills that use metric drill bits that measure in millimeters. On the hand, imperial bits measure in inches. Another difference is that metric drill bits work best for projects that require precise spacing and smaller hole diameters. Businesses must consider these differences to select the right bits.

Q. What drill bit materials are ideal for concrete?

The material of drill bits that are used determines their effectiveness in boreholes. Concrete is a hard substance that requires durable bits to drill it. That is why drills like carbide-tipped and diamond-tipped bits are the most suitable for this material. These bits can withstand the friction and impact generated when penetrating strong surfaces.