Introduction to tapered drill rods Taper bits(pneumatic drill bit,air drill bits), especially Tapered button bits are the most popular tapered drill bits with a wide selection of head diameters from 26mm to 48mm. With carbide buttons hot pressed on the bit skirts, Pneumatic rock drill bits(tapered button bits) have a good drilling performance and are excellent in longevity. Features Bit bodies manufactured from high grade steel and processed using state-of-the-art CNC machinery and heat treatment Alloy buttons are hot mounted into the drill bit, ensuring the bit good accuracy and durability; Reliability ensured by premium drill bit materials and premium alloy button; Different types designed for different drilling scenarios and rock conditions; Cost-effective, with competitive and reasonable price, our products offer 82%-92% lifespan of their famous branded counterparts. Application Taper drill bits are connected to taper dril rods for driling duties, suitable for tunneling, construction, mining.quarrying, etc.

Drill Rod Coupling Sleeve Technical Specifications Drill rod coupling sleeves are tubular drilling components with internal threading designed for secure connections between shank adapters and drill rods, or between drill rods. Our product range includes three specialized types to accommodate diverse drilling requirements. 1. Standard Coupling Sleeve (Semi-Bridge Type) Featuring a non-threaded bridge section at mid-body, this design prevents over-insertion of drill rod threads. The thread termination tightly interfaces with the sleeve's bridge zone, making it ideal for high-torque drilling rigs. As the most widely adopted solution, it primarily serves R-thread (rope thread) and T-thread (trapezoidal thread) systems. 2. Full-Bridge Coupling Sleeve Incorporating continuous threading architecture, this variant eliminates connection loosening risks. Particularly effective in surface mining operations, it offers: - Enhanced disassembly efficiency - Superior connection rigidity - Anti-jamming performance 3. Crossover Coupling Sleeves Engineered for reliable transitions between different threading systems or dimensional specifications: - Thread type conversion…

Diesel reciprocating mining piston air compressor Double Air Tank Diesel Portable Best-Selling Engine Oil Piston Air Compressors are mainly used to supply stable and clean compressed air to pneumatic tools and keep them working smoothly and efficiently. Feature 1. Valve plate and spring strip: made of special steel from Sweden and after special treatment;  highly efficient and reliable2.Piston ring:special design;integral casting;excellent flexibility;lowest lubricating oil consumption3. Cylinder: made of boron cast iron; wear-resistant; especially suitable for dusty condition4. Cylinder cover: extrusion process adopted; streamlined external appearance; good heat emission performance5. Simple structure lightweight easy to move6. Energy saving Low cost7. Easy operating and maintenance

A screw air compressor is a type of positive displacement compressor that uses helical screws (rotors) to compress air. It is widely used for its efficiency, reliability, and suitability for continuous operation. Below is a structured breakdown of its components, working principles, types, applications, and considerations. Working Principle Air Intake: Ambient air enters through an inlet filter. Compression: Two intermeshing rotors (male and female) rotate in opposite directions within a housing. As the rotors turn, air is trapped in the decreasing volume between the rotors and the housing, compressing it progressively. Discharge: Compressed air exits through the discharge port into the system. Feature Water cooling engine coupling drive Huge air intake filters which are easily accessible for maintenance or replacing Fuel filter with sigh glass for easy identification. LCD control panel Twin air outlet Ease of servicing with easy access parts Lockable panels with pneumatic support Battery isolator switch Isolating…

Utilizes an electric motor to drive a piston within a cylinder, compressing air via reciprocating motion.  Intake Stroke: Piston descends, creating a vacuum that opens the intake valve, drawing in air. Compression Stroke: Piston ascends, compressing air, which is then discharged into a storage tank via a check valve. Key Components:   Electric Motor: Typically induction motors (single or three-phase) for durability. Direct drive (compact) or belt-driven (quieter, adjustable). Piston/Cylinder Assembly: Single-stage (one compression step) for lower pressure (≤150 PSI) or two-stage (higher pressure, ~200 PSI). Storage Tank: Steel (durable) or aluminum (lightweight). Sizes range from 1-80+ gallons. Pressure Switch: Automatically cycles motor on/off to maintain tank pressure. Safety Features: Pressure relief valve, thermal overload protection, unloader valve (reduces restart strain). Performance Specifications:   Horsepower (HP): 1–15 HP; higher HP for industrial use. CFM (Cubic Feet per Minute): Critical for tool compatibility (e.g., 5 CFM at 90 PSI for nail guns).…

This series shaft sinking machine for mining are mainly used for mine shaft and inclined shaft to life coal, ore, waste rock as well as lifting personal, materials, tools and equipment. The principle axis unit used split or integral type flexible struction drum and the drum suffers force uniformly with big strength. Disc brakes of underground mining safety equipment are rear mounted fuel tank with flexible action. The hydraulic can delay secondary brake, and it can be automatically released in wellhead. Double-drum hoisting machine has rope-adjusting cluth with radial teeth. Transmission parts can be equipped with planetary reducer or parallel axis hardened reducer. Electrical parts of underground mining winch has necessary protection and interlock device, and user can choose PLC electrical controller and frequency speed-changing electrical controller. Dynamic braking of underground mining winch is also available on request. JTP type underground mining winch features: 1.Loading weight from 3 tons to…

Introduction Tunnel Explosion Proof Scraper Rock Loader We are manufacture of mining equipment include mining locomotive, mining winch, scraper loader, scraper conveyor and other mining equipment. P-15B Tunnel Scraper Loader is widely used for small coal mines and mining area of roadway with MGC1.1 fixed box type mine car or skip loading rock, coal rock with suitable height greater than 1.9 meters, the net section is 4.5 meters above the roadway. P-15B Tunnel Scraper Loader also can be used in coal rock or rock roadway, which can be used for drift can also be used on the downhill driving face rock loading, such as adding a tail wheel two, can be carried out on rock tunneling processes between parallel operation in the corners of roadway. P-15B Tunnel Scraper Loader can be used not only in the drift, but also in the angle of less than 30 degrees inclined or turning…

KL8M is a illuminating lamp for mining workers wearing with a easy way when do underground jobs. It adopts small size type with light weight, Li-ion battery andLED double light sources to let customers get a long using life lamp.

KL5M is a illuminating lamp for mining workers wearing with a easy way when do underground jobs. It adopts small size type with light weight, Li-ion battery and  LED double light sources to let customers get a long using life lamp.