3 Inch Middle Air Pressure DTH Bits

DTH Drilling Pipe O.D.76mm (No Flat) for Mining

Down-the-hole drilling pipes are used for connecting DTH hammers and drilling bits. Manufactured from seamless steel tubing, they are the key accessories for all types of DTH drilling operation and play a critical role in operation.

DTH Drilling Pipe O.D.76mm for Water Well

The down-the-hole drilling pipe is manufactured from quality materials, with heat treatment performed in an integrated multi-functional furnace. All threads are machined with specialized CNC equipment.

DTH Drilling Pipe O.D.89mm (No Flat) for Mining

DTH drilling pipes are used for connecting DTH hammers and drilling bits. Manufactured from seamless steel tubing, they are the key accessories for all types of DTH drilling operations, playing a critical role in operation.

DTH Drilling Pipe O.D.89mm for Water Well

The down-the-hole drilling pipe is manufactured from quality materials, with heat treatment performed in an integrated multi-functional furnace. All threads are machined with specialized CNC equipment.

Box-Box Adapter For DTH Rig Drilling Pipe

Our Box-Box (Female-to-Female) adapters are essential components for connecting DTH hammers and drill rods. Engineered to ensure a perfect fit, these adapters act as a protective link, significantly reducing thread wear on your drill rods and extending the service life of your entire drilling string. Manufactured from premium-grade alloy steel, our adapters provide superior durability and precise alignment under high-impact conditions. Ideal for water well drilling, mining, and construction, they offer a reliable and cost-effective solution to keep your rigs running longer with minimal maintenance.

Pin-Box Adapter For DTH Rig Drilling Pipe

Our Pin-Box (Male-to-Female) adapters provide a reliable connection between DTH rods and hammers of varying thread sizes. By serving as a precision interface, these adapters effectively absorb operational wear, protecting your drill rods' threads and significantly extending their working life. Crafted from high-grade alloy steel with precision-machined threads, our adapters ensure a leak-proof seal and maximum energy transfer. Whether for water well, mining, or quarrying operations, our adapters offer the versatility and durability required to keep your drilling projects running smoothly and cost-effectively.

Box-Box Adapter For DTH Rig Drilling Pipe

The adapter is connect the DTH hammer and DTH rod. It makes the DTH rod working span life longer.

4 Inch Mission 40 DTH Hammer

Our 4-inch Mission 40 DTH hammer features an optimized piston structure designed to fully leverage air pressure and maximize compressor output. By enhancing the internal airflow system, we direct the majority of air pressure straight to the piston, significantly reducing energy loss and ensuring high-efficiency power utilization. This advanced engineering delivers exceptional impact energy and faster penetration rates even in the toughest rock formations. Built for reliability and easy maintenance, the Mission 40 hammer is your ideal choice for reducing fuel consumption and increasing overall productivity in mining and water well drilling.

BR1, BR3 DTH Hammer

Specialized for small-diameter and specialized drilling, our BR1 and BR3 DTH hammers deliver exceptional performance across a wide range of air pressure conditions. Engineered for reliability and versatility, these hammers are designed to meet the diverse operational demands of the modern mining and construction industries. Our comprehensive selection of BR models provides a true "one-stop solution" for your drilling tool needs. Featuring a simplified internal structure for easy maintenance and superior low-pressure starting capabilities, these hammers ensure maximum uptime and efficient penetration in quarrying, anchoring, and site investigation projects.

Bit	Bit Diameter (mm)	Spline QTY	Gauge
M3	90	8	6×φ14
	100	8	6×φ14
	110	8	6×φ14