3 4 5 Small DTH Bits for Water Well Drilling Hubei Changyangsheng
- ChangYangSheng
- HuBei
3 Small DTH Bits for Water Well Drilling Hubei Changyangsheng
1. Product Introduction
3.5"-5" High Speed DTH Drill Bits for Water Wells are precision-engineered drilling tools designed specifically to maximize penetration rates in shallow to medium-depth water well projects and geotechnical exploration. At Hubei Changyangsheng Drilling Tools Co., Ltd., we understand that small diameter DTH drill bits require a perfect balance between rotational speed and impact energy transfer. These water well drilling tools feature an optimized button layout that ensures rapid rock fragmentation while maintaining exceptional hole straightness, reducing the risk of deviation in soft to medium-hard formations. Unlike standard rock bits, our 4 inch drill bit series utilizes a specialized air channel design that enhances cuttings removal, preventing clogging even in clay-heavy strata. Whether you are drilling for residential water supply or conducting soil sampling, these small DTH bits from Hubei Changyangsheng deliver the reliability and speed needed to complete projects ahead of schedule. Our commitment to quality ensures that every DTH drill bit undergoes rigorous heat treatment to withstand the abrasive nature of sandstone and limestone, making them the preferred choice for contractors seeking efficiency in water well drilling operations.
To facilitate easy selection for our global clients, here are the detailed technical specifications for our 3.5"-5" series DTH drill bits:
Diameter Range: 3.5 inches (89mm) to 5 inches (127mm).
Button Type: Spherical tungsten carbide buttons (Grade YG11C or YG15).
Body Material: High-strength alloy steel (40CrNiMoA) for superior toughness.
Face Design: Convex or Flat face options available for different rock hardness.
Connection Thread: API Regular or Custom threads compatible with major DTH hammers.
Recommended Air Pressure: 10-17 Bar (145-245 PSI).
Rotation Speed: 40-80 RPM (optimized for high-speed drilling).
Applicable Rock Hardness: Soft to Medium-Hard (f=4-10).
Service Life: 1.5x longer than standard market bits due to advanced carburizing technology.
Manufacturer: Hubei Changyangsheng Drilling Tools Co., Ltd.
The primary advantage of our 3.5"-5" small DTH bits lies in their exceptional versatility for water well drilling. In residential and agricultural projects, time is money; our DTH drill bits are engineered to penetrate unconsolidated overburden and fractured rock faster than competitors. The 4 inch drill bit variant is particularly popular for municipal water projects due to its ability to maintain a vertical hole, which is critical for pump installation. Furthermore, these rock bits feature a self-sharpening button geometry that maintains cutting efficiency throughout the bit's lifespan. For geotechnical engineers, the stability offered by Hubei Changyangsheng's water well drilling tools ensures accurate core recovery and stratigraphic data. Whether used in sandy soils or hard granite layers, these small DTH bits adapt seamlessly, reducing the need for frequent bit changes. Contractors using our DTH drill bits report a 20% reduction in fuel consumption and air usage, highlighting the cost-effectiveness of choosing Hubei Changyangsheng Drilling Tools Co., Ltd. for your mining bits and water well needs.
4. Production Details (产品细节介绍)
Our production process for these DTH drill bits involves state-of-the-art CNC machining centers that guarantee micron-level precision in button placement. Each water well drilling tool undergoes a multi-stage heat treatment process, including carburizing and tempering, to create a hard outer shell with a tough, shock-absorbing core. The tungsten carbide buttons are press-fitted using hydraulic machinery to ensure zero movement during high-impact drilling. Visually, our 4 inch drill bit models feature a distinct polished finish on the gauge area to reduce friction against the borehole wall. The internal air channels are smooth and burr-free, optimized via computational fluid dynamics (CFD) to maximize airflow velocity for efficient cuttings evacuation. At Hubei Changyangsheng, we inspect every small DTH bit under magnification to ensure no micro-cracks exist before shipping. The color coding on the shank helps operators quickly identify the size and type, enhancing on-site safety and efficiency for all rock bits operations.
Trust is built on certification and proven performance. Hubei Changyangsheng Drilling Tools Co., Ltd. holds ISO 9001:2015 certification, ensuring that every DTH drill bit meets international quality standards. Our water well drilling tools have been tested in diverse geological conditions across Africa, Southeast Asia, and South America, receiving consistent positive feedback for durability. We provide a comprehensive quality assurance report with each batch of mining bits, detailing the chemical composition of the steel and the hardness of the carbide buttons. Our R&D team, composed of veteran drilling engineers, continuously innovates to improve the performance of our 4 inch drill bit series. We invite clients to visit our factory to witness the manufacturing of these small DTH bits firsthand or view our production videos showcasing the rigorous testing procedures. Choosing Hubei Changyangsheng means partnering with a leader in DTH drill bits technology who stands behind every product with a solid warranty and dedicated after-sales support.
What's the mainly product your company manufacturing?
Our company is a modern high-tech enterprise, specializing in the manufacturing of rock drilling tools, with precision machining capabilities forvarious down-the-hole (DTH) drill bits.
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