DHD series high-pressure down-the-hole drill bit
DHD3.5 high air pressure down-the-hole drill bit is a flat-type drill bit. This drill bit is made of alloy steel and advanced heat-treated high-quality alloy steel to ensure good drilling performance and long service life. It is widely used by customers all over the world.
DHD3.5 drill face characteristics
- Flat type
This flat head is suitable for drilling very hard rock formations and corrosive rock formations under high wind pressure. The drilling speed is faster and the drill body wears less.
DHD3.5 drill bit alloy tooth profile selection
- Bullet teeth
Application: The middle tooth of the down-the-hole drill bit is suitable for rocks with medium abrasiveness and medium hardness. Edge teeth can also be used when the rock is relatively soft.
- Button teeth
Application: DTH drill bit side teeth, suitable for abrasive and very hard rock.
DHD3.5 drill bit introduction
DHD3.5 down-the-hole drill bits use high-quality steel and best-level alloy steel as raw materials, use special heat treatment technology and advanced cemented carbide inlay technology, so that the drill bit can perform well even on hard rock formations, and at the same time Can save energy.
DHD3.5 drill bit technical parameters
DHD3.5 DTH drill bit features advantages
Long bit life
This type of down-the-hole drill is made of alloy steel material, and its quality is effectively guaranteed. Its service life is long, and it is higher than similar products, and its durability is better.
High drilling efficiency
This type of drill uses impact and shear to break rocks. The drill teeth are wear-resistant, so that the drill bit can always remain sharp, thus greatly improving the speed of the tooth.
Good compliance effect
The drill bit of this model has strong wear resistance and excellent gauge performance, which can make the cutting teeth efficiently used.
Wide range of use
The drill bit is suitable for drilling in soft, medium-hard and hard formations. Compared with ordinary drill bits, especially for drilling 6-8 rock formations, the effect is particularly significant.
DHD series products are widely used in water well drilling and hard rock formation protection. In the past 20 years, we have exported this drill bit to many countries, and the feedback is good. You are welcome to contact us, if you need, we can provide all series of drilling equipment and drilling tools.