China OEM 16L 60L Farming Hybird Pesticide Uav Plant Protection Agricultural Drone Sprayer for Agriculture Orchard Crop with Good quality

Product Description

Product Description




Diagonal Wheelbase




Folded :800*800*700mm

Folded :1050*1080*1350mm

Spreaded :2100*2100*750mm

Spreaded :2300*2300*1350mm







Spray Width



Flight Control systems

Microgram V7-AG 

Dynamic System

Hobbywing X9

Hobbywing X9 MAX High Voltage Version

Spraying System

Pressure Spray

Spraying Flow





Fuel tank capacity



Engine fuel

Gas-electric mixed oil (1:40)


Main Application Scenarios


Product Details

16L                                                                60L


1 HD camera remote control with picture transmission Car servant car antifreeze

Castrol POWER RS TTS 2T Two-stroke oil


Aero aluminum drone special case 6000mah battery Special toolkit

All can be retrofitted with centrifugal nozzles:
High-level configuration (optional):

Product Feature

Standard Configuration

Android ground station, easy to use / PC ground station, full voice broadcast

Router Setting support, Fully Auto Flight operation with A,B Point operation

One Button take-off and landing, More safety and time saving

Contrinue Spraying at Breakpoint, Auto Return when finish liquid and low Battery

Liquid Detection, Break Point record setting

Battery Detection, Low Battery return and Record point setting available

Heigh Control Radar, Stable Altitude setting, Suppoting Imitative Earth function

Flying Layout setting available

Vibration Protection, Lost Contect protective, Drug Cut protection

Motor Sequance Detection and Direction detection Function

Dual Pump Mode

Enhance Configuration

(Pls PM for more info)

Ascent or Descent according to Terrain Imitative Earth

Obstacle avoidance Function, Surrounding Obstacles detection

Cam Recorder, Real-time transmission available

Seed Sowing function, Additional seed Spreader, or ETC…

RTK Precise Positioning



Company Profile

Why Choose Us

1> Our service network is sufficient to guarantee the needs of our customers, a perfect and continuous solution can guarantee the needs of most customers.

2> One-stop sourcing provides you with a perfect supply chain of plant protection products, saving your purchasing cost and time cost with high efficiency and quality. You can also enjoy our long-term technical consulting services.
3> We support OEM/ODM service to meet your special needs.
4> Price, information, quality, program, after-sales, a full range of standardized support services for our agents to win more opportunities and competitiveness, making cooperation so easy and efficient.
5> Based on the absolute advantage of factory network, we have long-term cooperation with logistics, which can make the products delivered faster and more efficiently.
6> We will provide the best after-sales service for our customers. You are welcome to visit our factory and receive after-sales service training. No matter what, we will try our best to meet your requirements.
7> We can provide the certifications you need, or we can help you get through your official certifications.



Haojing International Trade Co., Ltd.

Haojing International Trade Co., Ltd. is a well-known manufacturer in China for many years. Our factory was established in 2003.

Our products include UAV, UGV,UAV parts, etc. Our products have passed ISO certification and CE certification and patent certificates.

Our company iscommitted to providing global customers with high-quality mechanical and electrical products and complete sets of solutions, andproviding one-stop procurement services.
We conforms to market demand, takes technological innovation, customer first, and good quality as our concepts, based on ouractive actions and hard work, opened overseas markets successfully.
At present, we have an extensive sales network with customers all over the world, including the United States, Mexico, Russia,Portugal, Turkey, Pakistan, South Korea, Japan and Indonesia. Our products have covered distributors and agents in all European countries.
Our main manufacturing plant is located in ZheJiang , China, with a stable and highly skilled labor force. We are willing to provide you with unique products that are not only attractive, but also practical and competitive.
We know for a company to develop an enviable reputation,it needs to do much efforts so that favor to the needs of differentclients. We are in trying its best effort to play a pivotal role in this field. Waiting for more cooperation partners to join us.

Packaging & Shipping




1. Who are we? We are an integrated factory and trading company, with our own factory production and 65 CNC machining centers. Our customers are all over the world, and we have expanded many categories according to their needs.  
2. How can we guarantee quality? We have a special quality inspection department before we leave the factory, and of course it is very important that we will strictly control the quality of each production process throughout the whole production process, so our products can reach a 99.5% pass rate.  
3. What can you buy from us? Professional drones, unmanned vehicles and other devices with high quality.  
4. Why should you buy from us not from other suppliers? We have 20 years of production, R&D and sales experience, and we have a professional after sales team to support you.  
5. What services can we provide? Accepted Delivery Terms: FOB,CIF,EXW,FCA,DDP; Accepted Payment Currency:USD,EUR,CNY; Accepted Payment Type: T/T,L/C,D/P D/A,Credit Card;



Screw Sizes and Their Uses

Screws have different sizes and features. This article will discuss screw sizes and their uses. There are 2 main types: right-handed and left-handed screw shafts. Each screw features a point that drills into the object. Flat tipped screws, on the other hand, need a pre-drilled hole. These screw sizes are determined by the major and minor diameters. To determine which size of screw you need, measure the diameter of the hole and the screw bolt's thread depth.

The major diameter of a screw shaft

The major diameter of a screw shaft is the distance from the outer edge of the thread on 1 side to the tip of the other. The minor diameter is the inner smooth part of the screw shaft. The major diameter of a screw is typically between 2 and 16 inches. A screw with a pointy tip has a smaller major diameter than 1 without. In addition, a screw with a larger major diameter will have a wider head and drive.
The thread of a screw is usually characterized by its pitch and angle of engagement. The pitch is the angle formed by the helix of a thread, while the crest forms the surface of the thread corresponding to the major diameter of the screw. The pitch angle is the angle between the gear axis and the pitch surface. Screws without self-locking threads have multiple starts, or helical threads.
The pitch is a crucial component of a screw's threading system. Pitch is the distance from a given thread point to the corresponding point of the next thread on the same shaft. The pitch line is 1 element of pitch diameter. The pitch line, or lead, is a crucial dimension for the thread of a screw, as it controls the amount of thread that will advance during a single turn.

The pitch diameter of a screw shaft

When choosing the appropriate screw, it is important to know its pitch diameter and pitch line. The pitch line designates the distance between adjacent thread sides. The pitch diameter is also known as the mean area of the screw shaft. Both of these dimensions are important when choosing the correct screw. A screw with a pitch of 1/8 will have a mechanical advantage of 6.3. For more information, consult an application engineer at Roton.
The pitch diameter of a screw shaft is measured as the distance between the crest and the root of the thread. Threads that are too long or too short will not fit together in an assembly. To measure pitch, use a measuring tool with a metric scale. If the pitch is too small, it will cause the screw to loosen or get stuck. Increasing the pitch will prevent this problem. As a result, screw diameter is critical.
The pitch diameter of a screw shaft is measured from the crest of 1 thread to the corresponding point on the next thread. Measurement is made from 1 thread to another, which is then measured using the pitch. Alternatively, the pitch diameter can be approximated by averaging the major and minor diameters. In most cases, the pitch diameter of a screw shaft is equal to the difference between the two.

The thread depth of a screw shaft

Often referred to as the major diameter, the thread depth is the outermost diameter of the screw. To measure the thread depth of a screw, use a steel rule, micrometer, or caliper. In general, the first number in the thread designation indicates the major diameter of the thread. If a section of the screw is worn, the thread depth will be smaller, and vice versa. Therefore, it is good practice to measure the section of the screw that receives the least amount of use.
In screw manufacturing, the thread depth is measured from the crest of the screw to the root. The pitch diameter is halfway between the major and minor diameters. The lead diameter represents the amount of linear distance traveled in 1 revolution. As the lead increases, the load capacity decreases. This measurement is primarily used in the construction of screws. However, it should not be used for precision machines. The thread depth of a screw shaft is essential for achieving accurate screw installation.
To measure the thread depth of a screw shaft, the manufacturer must first determine how much material the thread is exposed to. If the thread is exposed to side loads, it can cause the nut to wedge. Because the nut will be side loaded, its thread flanks will contact the nut. The less clearance between the nut and the screw, the lower the clearance between the nut and the screw. However, if the thread is centralized, there is no risk of the nut wedgeing.

The lead of a screw shaft

Pitch and lead are 2 measurements of a screw's linear distance per turn. They're often used interchangeably, but their definitions are not the same. The difference between them lies in the axial distance between adjacent threads. For single-start screws, the pitch is equal to the lead, while the lead of a multi-start screw is greater than the pitch. This difference is often referred to as backlash.
There are 2 ways to calculate the pitch and lead of a screw. For single-start screws, the lead and pitch are equal. Multiple-start screws, on the other hand, have multiple starts. The pitch of a multiple-start screw is the same as its lead, but with 2 or more threads running the length of the screw shaft. A square-thread screw is a better choice in applications requiring high load-bearing capacity and minimal friction losses.
The PV curve defines the safe operating limits of lead screw assemblies. It describes the inverse relationship between contact surface pressure and sliding velocity. As the load increases, the lead screw assembly must slow down in order to prevent irreversible damage from frictional heat. Furthermore, a lead screw assembly with a polymer nut must reduce rpm as the load increases. The more speed, the lower the load capacity. But, the PV factor must be below the maximum allowed value of the material used to make the screw shaft.

The thread angle of a screw shaft

The angle between the axes of a thread and the helix of a thread is called the thread angle. A unified thread has a 60-degree angle in all directions. Screws can have either a tapped hole or a captive screw. The screw pitch is measured in millimeters (mm) and is usually equal to the screw major diameter. In most cases, the thread angle will be equal to 60-degrees.
Screws with different angles have various degrees of thread. Originally, this was a problem because of the inconsistency in the threading. However, Sellers's thread was easier to manufacture and was soon adopted as a standard throughout the United States. The United States government began to adopt this thread standard in the mid-1800s, and several influential corporations in the railroad industry endorsed it. The resulting standard is called the United States Standard thread, and it became part of the ASA's Vol. 1 publication.
There are 2 types of screw threads: coarse and fine. The latter is easier to tighten and achieves tension at lower torques. On the other hand, the coarse thread is deeper than the fine one, making it easier to apply torque to the screw. The thread angle of a screw shaft will vary from bolt to bolt, but they will both fit in the same screw. This makes it easier to select the correct screw.

The tapped hole (or nut) into which the screw fits

A screw can be re-threaded without having to replace it altogether. The process is different than that of a standard bolt, because it requires threading and tapping. The size of a screw is typically specified by its major and minor diameters, which is the inside distance between threads. The thread pitch, which is the distance between each thread, is also specified. Thread pitch is often expressed in threads per inch.
Screws and bolts have different thread pitches. A coarse thread has fewer threads per inch and a longer distance between threads. It is therefore larger in diameter and longer than the material it is screwed into. A coarse thread is often designated with an "A" or "B" letter. The latter is generally used in smaller-scale metalworking applications. The class of threading is called a "threaded hole" and is designated by a letter.
A tapped hole is often a complication. There is a wide range of variations between the sizes of threaded holes and nut threads, so the tapped hole is a critical dimension in many applications. However, even if you choose a threaded screw that meets the requisite tolerance, there may be a mismatch in the thread pitch. This can prevent the screw from freely rotating.

China OEM 16L 60L Farming Hybird Pesticide Uav Plant Protection Agricultural Drone Sprayer for Agriculture Orchard Crop     with Good qualityChina OEM 16L 60L Farming Hybird Pesticide Uav Plant Protection Agricultural Drone Sprayer for Agriculture Orchard Crop     with Good quality