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Low-air-pressure DTH Drill Bit

A "low-air-pressure DTH drill bit" is a type of drill bit utilized in Down-the-Hole (DTH) drilling operations, specifically engineered to operate efficiently under relatively low air pressure. Compared to standard DTH bits, it is better suited for drilling through softer rock formations or for use in working environments where high air pressure is not readily available. This drill bit typically features an optimized design aimed at maximizing impact energy while utilizing lower air pressure—a high-efficiency performance often achieved through the incorporation of specific valve mechanisms.
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Low-pressure DTH (Down-the-Hole) drill bits are specifically engineered for particular application scenarios. Available in diameters ranging from 56 mm to 300 mm, these bits are designed for use with low-pressure air systems. In addition to standard models, customers have the option to request custom-made bits based on their own technical drawings or physical samples; however, this customization may result in a slight increase in cost compared to standard offerings.


This specific type of drill bit typically offers significant advantages in terms of both operational efficiency and versatility.


These drill bits must be paired with corresponding low-pressure DTH hammers and are precision-engineered to suit specific rock formation conditions. The primary advantages of low-pressure drill bits include: Reduced Operational Costs—one of their core benefits lies in their lower air consumption, which helps minimize energy usage and operating expenses, thereby making these bits a more economically viable choice in many drilling scenarios. Exceptional Performance in Soft to Medium-Hard Rock Formations—these bits perform particularly well in soft to medium-hard rock strata, delivering precisely calibrated and tailored impact energy that effectively prevents issues such as excessive penetration or over-fragmentation of the rock caused by overly powerful impacts.


Technical Parameters

Is there a minimum order quantity (MOQ)?

Yes, the minimum is 5 units.

Do you accept pre-order testing?

Yes; however, the customer is responsible for the cost of samples and shipping fees. The minimum order for samples is 5 units.

Do you accept customization?

Yes; this requires either technical drawings or physical samples.

Can colors and logos be customized?

Yes. If no specific requirements are provided, the standard color is black. Laser engraving for logos is available for orders of 10 units or more.

What is the typical lead time?

We maintain ample stock, so the standard lead time is typically 2 days. In the event that items are out of stock, batch production requires 10–15 days.

Do you hold any relevant quality certifications?

Yes, we hold both BV and CE certifications.


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Since 1998, FIRIP has grown from a passionate team in Putian, Fujian, into a leading supplier of high-end rock drilling tools.
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