BlueGranite Turbo™ Carbide Hammer Drill Bit Sets | Bosch Professional (2024)

FAQs

What is the toughest drill bit made? ›

Carbide: The hardest and most brittle of the drill bit materials, it's used mostly for production drilling where a high-quality tool holder and equipment is used. It should not be used in hand drills or even drill presses. These bits are designed to drill into the hardest materials.

In summary, the exceptional strength, precision, durability, versatility, and environmental friendliness of carbide drill bits make them a standout choice in the world of drilling tools.

Hardness refers to the surface of the material – essentially, how easy it is to scratch or dull its surface – while brittleness refers to how easy it is to break. So while carbide drill bits are very hard, and can cut through some of the most difficult materials, they're also brittle and can break if not used properly.

Titanium-coated HSS drill bits produce less friction. They're tougher than basic HSS bits and stay sharp longer. They work for drilling wood, metal, fiberglass and PVC. Carbide-tipped drill bits stay sharp much longer than steel, HSS or titanium bits.

Carbide (Carb)

They are ideal for drilling through hard materials, including ceramics, glass, and masonry, as well as hard metals like stainless steel and cast iron. Advantages: This type is incredibly durable, can maintain its sharpness for longer than other drill bit materials, and can handle high-speed drilling.

The strength of carbide makes it an ideal material for tough applications since it is stronger than high-speed steel. There is also no danger of overheating with this product since it is also resistant to high temperatures. Moreover, the effect of this will be to make the cuts clean and smooth.

Carbide drill bits last longer than cobalt drill bits, have higher heat resistance, work at very high speeds to decrease manufacturing speeds, and provide toughness to cut through non-ferrous heavy metals and reinforced plastics.

While it might be tempting to settle for a cheaper drill bit, the long-term advantages of investing in a high-quality version are undeniable. The extended lifespan, improved performance, and enhanced precision all contribute to a more efficient and satisfactory drilling process.

Carbide tends to display a darker grey hue, while HSS comes in a much brighter silver, but the finish on the shanks is reversed: carbide has a glossier, reflective shine while HSS usually has a more muted, matte finish. If your tool tips have been used, the damage on them can also shed light on their material.

Will carbide bits go through concrete? ›

In the concrete industry, carbide is the standard for drilling holes in concrete and masonry because the material offers the robustness to last for a long period of time.

The short spot drill is very rigid, and the spotting motion is unlikely to deflect. However, if you use a carbide drill, or a screw machine length drill, spotting is typically not needed. The carbide itself is rigid compared to HSS, so the drill will go where it is pointed.

Which is harder: cobalt or titanium drill bits? Titanium drill bits are harder than cobalt, but cannot be sharpened as they're coated, not solid titanium,.

Cobalt Drill Bits Pros. As we have seen, both drill bits are made from high-grade materials and perform well. But in terms of strength, solid carbide drill bits are superior, with a hardness of 75 HRC and cobalt's hardness of 65 HRC on a Rockwell scale.

Cobalt: an incredibly strong alloy metal used to drill through tough materials. It can withstand heat and resistance and is the best drill bit for stainless steel. Carbide-tipped: one of the hardest materials on the planet, this drill bit only uses carbide on the tip.

BOSCH Impact Driver Bits

The heat-treated manufacturing process makes each bit stronger and more durable than standard bits, giving users ten times more life than non-impact bits.