Product Description

We are a state owned tire factory in China, we produce high quality truck tire, car tire, light truck tire, bus tire, trailer tire, car tire, tubes. 

My name is Emma Fu, and I am the sales manager of SPORTRAK TIRE GROUP LIMITED. I have more than 6 years of tire export experience. Welcome to inquire.

 

 

1.Product display

SPORTRAK 265/70R19.5 TBR Tire Radial Truck Tire

 

1. Our Truck Tyre advantages

• Complete certifications show that our tyre quality has reached international standards:
ISO , CCC , DOT , ECE , REACH , EU-LABEL , GCC , SONCAP , SNI , SGS etc.
• Over 10 years’ experience, we are the expert in tyre filed and our brands have gained a high Market awareness.

2. TBR factory with Japan Technology 
• Strict quality control from raw material to technology
• Steel Wire : BEKAERT
• Carbon Black: CABOT
• Equipment: Imported from U.S., Germany etc.
· USA spindle room of RJS;
· Cutting machine from Germany KARL EUGEN FISCHER;
· X-ray detection machine from Germany Koeman & YXLON;
· USA Atomic absorption spectrum instrument of THERMO;
· Unique 5 meters drum giant fetal endurance testing machine in China
• Technology from YOKOHAMA

3. Competitive price and first-class quality
 · Factory price with strict quality control
· The world’s first-class technology from YOKOHAMA
· 7 – 15 days prompt delivery guaranteed
· International standard export packing: in bulk or plastic belts

4. Comprehensive Truck Tyre Sizes
Tube Tyres/Tires:
8.25R16 8.25R20 900R20 1000R20 1100R20 1200R20 1200R24 etc.
Tubeless Tyres/Tires:
11R22.5 12R22.5 13R22.5 295/80R22.5 315/80R22.5 385/65R22.5 etc.

5. World-class truck tyre supplier, we are your best choice
Relying on science and technology strength and keeping in step with world first class level. We will constantly research and develop new products. Meanwhile, we serve clients with high quality products and superior service and endeavor to leading the tire industry.

6. Good feedback from customers
 The quality is the life of an enterprise. Our tires have been sold to over 120 countries and regions. At present, the rate of equipment availability and qualification of tyre products have both reached 99.8%. Meanwhile, our tires also gained a high reputation from customers from home and abroad.

7. Shipping company support, we provide prompt and safe delivery
We cooperates with several shipping companies and agents, which will guarantee a competitive freight cost,  the prompt, safe and on-time delivery.

8. Our Warranty
 · TBR: 100,000 kilometers guaranteed

9. Excellent after-sale service
· Provide specification technical guidance;
· Ensuring for adequate logistic capability;
· Satisfying customer order needs;
· Working to reduce reserves;
· Improving communication way;
· Optimize after-sale service procedure according to customer feedback
With our 10 years’ manufacturing and exporting experience, and boasting of our perfect quality, reasonable price, on-time delivery and excellent after-sale service system, our company and our tyre products have gained high trust and reputation from customers.

In Conclusion:
1. We are TBR , PCR, OTR tyres factory with over 10 years experience and knowledge.
2. ISO , CCC , DOT , ECE , S-MARK , EU-LABEL , REACH , GCC , SNI , SONCAP, etc.
3. Production capacity: TBR (3,600,000 sets) / PCR (5,000,000 sets).
4. Truck tyre sizes: 385/65R22.5 / 315/80R22.5 / 315/70R22.5 / 295/80R22.5 / 295/75R22.5 / 285/70R19.5 / 235/75R17.5 / 13R22.5 / 11R24.5 / 11R24.5 / 1200R24 / 1200R20 / 1100R20 / 1000R20 / 825R16 / 750R16 etc.
If you have any question or inquiry, please contact us by phone or leaving your message below.
Our sales team will get back to you within 12hours.
 

SIZE	PLY RATE	DEPTH(mm)	STHangZhouRD RIMS	INNER TUBE	LOAD INDEX
7.00R16LT	12PR	10.5	5.50F	TT	115/110
	14PR				118/114
7.50R16LT	12PR	13.5	6.00G	TT	120/116
	14PR				122/118
8.25R16LT	14PR	14.5	6.50H	TT	126/122
	16PR				128/124
8.25R20	14PR	15	6.5	TT	136/134
	16PR				139/137
9.00R20	14PR	15.5	7	TT	141/139
	16PR				144/142
10.00R20	16PR	16	7.5	TT	146/143
	18PR				149/146
11.00R20	16PR	17	8	TT	150/147
	18PR				152/149
12.00R20	18PR	17	8.5	TT	154/151
	20PR				156/153
11R22.5	14PR	17.5	8.25	TL	144/142
	16PR				146/143
12.00R24	18PR	16	8.5	TT	158/155
	20PR				160/157
13R22.5	18PR	16.5	9.75	TL	154/151
315/80R22.5	16PR	17.5	9	TL	151/148
	18PR				154/151
	20PR				156/150

 

  

 

 

2.Factory Profile

Sportrak Tire Group(S.T.G) is an integrated corporation
specializing in developing, manufacturing & selling tires;ZheJiang Energy Group is our headquarter which is among the world TOP 500.
To deal with the situation of limited coal resources that used to be our main producing,now we are prioritizing the development of rubber industry with continued investment and acquisition of 2 large scale tire factories, 1 is a all-steel truck tire factory
(referred to as TBR factory) whose annual output is 3.6 million sets, the other is a semi-steel tire factory (referred to as PCR factory) with 20 million sets annual output. Meanwhile we have invested and built a rubber processing plant in Thailand with an annual output of 200,000 tons so as to secure the stable supply of the rubber raw material and its quality.
With the support of great power and technology, our TBR factory has built the national tire laboratory certified by CNAS and also owned the world advanced and China leading disposable mixing method, which has obtained the national technology award. We also have the advanced VMI molding machine and the professional producing and testing equipments which are imported from Europe and America, moreover we’ve adopted tZheJiang o technology in producing and processing.
Each tire has to go through hundreds of processing procedures before completed and put into the market since the very beginning of raw materials. Currently we have passed the TS16949, DOT, SONCAP ,E-Mark, INMETRO,GCC ,SNI and the ISO9001 quality system certification.The whole set of the tire technology we introduced and adopted is top of Europe; the main members of the technical team have working experience in well-known tire companies both at home and abroad and they are professional in construction design, formulation design and factory management. SPORTRAK tire group takes SPORTRAK as leading brand to explore the domestic and foreign markets and we are engaged in production of green, environmental-protective and energy-saving tires. So far the product series range from entire series to multi-pattern and economical to high-performance, which accounted for 40% and 90% of our products are for export.

 

4.Exhibition

The exhibitions our company participates in are as follows:

China International Tire Expo
HangZhou Tire Show
Canton Fair
North American Tire & Retread Expo
Automechanika Dubai
Latin Tyre Expo
Tyrexpo Asia
Equip Auto Algeria

 

5.Recommend Products

We can provide Truck tire, Bus tire, Trailer tire, Light truck  tire, Car tire, OTR, Butyl Tubes to you. 
Brand: SPORTRAK, SUPERWAY
Contact me: Emma Fu

 

6.Packing&Delivery

We can provide green/ Orange/ Yellow/ Silver different packages. We will meet the packaging needs of different customers. If customers need special stickers, we will customize and print them.

7.FAQ

1. How to ship?
1). FOB,CIF terms, we will effect shipment and furnish the master bill of lading issued by shipping line.
2). FOB items, buyer should nominated shipping line or shipping agency in China.
3). Shipped by train , we will discuss with buyer to get agreement on details.

2. How about the quality?
1). Best quality tires.
2). Best Parterns: Rubber from Malaysia & Thailand top-quality Natural and synthetic rubber.

3. How about the delivery?
If the products you need are all stock available, we will arrange shipment within 3-5 days, once receiving your down payment. If the products you need is out of stock, we will arrange production asap, normally, the shipment will be effected within 15-30 days.

4. How about the warranty?
Any tire with a complete serial number is covered against defects in workmanship and material for 2 YEARS from the date of purchase. After that time, the warranty is terminated.
Notice: The tire age calculated from the date of purchase, If the proof of purchase is not available, the tire date of manufacture will be applied.
 

8.Contact

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Promotion Gifts

Support for Advertising and Consumer Promotions: T-Shirts, Banners, flags, catalogs, paintings, notebooks, clocks, hats, gloves as well as other kinds of advertising support.

 

The Four Basic Components of a Screw Shaft

There are 4 basic components of a screw shaft: the Head, the Thread angle, and the Threaded shank. These components determine the length, shape, and quality of a screw. Understanding how these components work together can make purchasing screws easier. This article will cover these important factors and more. Once you know these, you can select the right type of screw for your project. If you need help choosing the correct type of screw, contact a qualified screw dealer.

Thread angle

The angle of a thread on a screw shaft is the difference between the 2 sides of the thread. Threads that are unified have a 60 degree angle. Screws have 2 parts: a major diameter, also known as the screw’s outside diameter, and a minor diameter, or the screw’s root diameter. A screw or nut has a major diameter and a minor diameter. Each has its own angle, but they all have 1 thing in common – the angle of thread is measured perpendicularly to the screw’s axis.
The pitch of a screw depends on the helix angle of the thread. In a single-start screw, the lead is equal to the pitch, and the thread angle of a multiple-start screw is based on the number of starts. Alternatively, you can use a square-threaded screw. Its square thread minimizes the contact surface between the nut and the screw, which improves efficiency and performance. A square thread requires fewer motors to transfer the same load, making it a good choice for heavy-duty applications.
A screw thread has 4 components. First, there is the pitch. This is the distance between the top and bottom surface of a nut. This is the distance the thread travels in a full revolution of the screw. Next, there is the pitch surface, which is the imaginary cylinder formed by the average of the crest and root height of each tooth. Next, there is the pitch angle, which is the angle between the pitch surface and the gear axis.

Head

There are 3 types of head for screws: flat, round, and hexagonal. They are used in industrial applications and have a flat outer face and a conical interior. Some varieties have a tamper-resistant pin in the head. These are usually used in the fabrication of bicycle parts. Some are lightweight, and can be easily carried from 1 place to another. This article will explain what each type of head is used for, and how to choose the right 1 for your screw.
The major diameter is the largest diameter of the thread. This is the distance between the crest and the root of the thread. The minor diameter is the smaller diameter and is the distance between the major and minor diameters. The minor diameter is half the major diameter. The major diameter is the upper surface of the thread. The minor diameter corresponds to the lower extreme of the thread. The thread angle is proportional to the distance between the major and minor diameters.
Lead screws are a more affordable option. They are easier to manufacture and less expensive than ball screws. They are also more efficient in vertical applications and low-speed operations. Some types of lead screws are also self-locking, and have a high coefficient of friction. Lead screws also have fewer parts. These types of screw shafts are available in various sizes and shapes. If you’re wondering which type of head of screw shaft to buy, this article is for you.

Threaded shank

Wood screws are made up of 2 parts: the head and the shank. The shank is not threaded all the way up. It is only partially threaded and contains the drive. This makes them less likely to overheat. Heads on wood screws include Oval, Round, Hex, Modified Truss, and Flat. Some of these are considered the “top” of the screw.
Screws come in many sizes and thread pitches. An M8 screw has a 1.25-mm thread pitch. The pitch indicates the distance between 2 identical threads. A pitch of 1 is greater than the other. The other is smaller and coarse. In most cases, the pitch of a screw is indicated by the letter M followed by the diameter in millimetres. Unless otherwise stated, the pitch of a screw is greater than its diameter.
Generally, the shank diameter is smaller than the head diameter. A nut with a drilled shank is commonly used. Moreover, a cotter pin nut is similar to a castle nut. Internal threads are usually created using a special tap for very hard metals. This tap must be followed by a regular tap. Slotted machine screws are usually sold packaged with nuts. Lastly, studs are often used in automotive and machine applications.
In general, screws with a metric thread are more difficult to install and remove. Fortunately, there are many different types of screw threads, which make replacing screws a breeze. In addition to these different sizes, many of these screws have safety wire holes to keep them from falling. These are just some of the differences between threaded screw and non-threaded. There are many different types of screw threads, and choosing the right 1 will depend on your needs and your budget.

Point

There are 3 types of screw heads with points: cone, oval, and half-dog. Each point is designed for a particular application, which determines its shape and tip. For screw applications, cone, oval, and half-dog points are common. Full dog points are not common, and they are available in a limited number of sizes and lengths. According to ASTM standards, point penetration contributes as much as 15% of the total holding power of the screw, but a cone-shaped point may be more preferred in some circumstances.
There are several types of set screws, each with its own advantage. Flat-head screws reduce indentation and frequent adjustment. Dog-point screws help maintain a secure grip by securing the collar to the screw shaft. Cup-point set screws, on the other hand, provide a slip-resistant connection. The diameter of a cup-point screw is usually half of its shaft diameter. If the screw is too small, it may slack and cause the screw collar to slip.
The UNF series has a larger area for tensile stress than coarse threads and is less prone to stripping. It’s used for external threads, limited engagement, and thinner walls. When using a UNF, always use a standard tap before a specialized tap. For example, a screw with a UNF point is the same size as a type C screw but with a shorter length.

Spacer

A spacer is an insulating material that sits between 2 parts and centers the shaft of a screw or other fastener. Spacers come in different sizes and shapes. Some of them are made of Teflon, which is thin and has a low coefficient of friction. Other materials used for spacers include steel, which is durable and works well in many applications. Plastic spacers are available in various thicknesses, ranging from 4.6 to 8 mm. They’re suitable for mounting gears and other items that require less contact surface.
These devices are used for precision fastening applications and are essential fastener accessories. They create clearance gaps between the 2 joined surfaces or components and enable the screw or bolt to be torqued correctly. Here’s a quick guide to help you choose the right spacer for the job. There are many different spacers available, and you should never be without one. All you need is a little research and common sense. And once you’re satisfied with your purchase, you can make a more informed decision.
A spacer is a component that allows the components to be spaced appropriately along a screw shaft. This tool is used to keep space between 2 objects, such as the spinning wheel and an adjacent metal structure. It also helps ensure that a competition game piece doesn’t rub against an adjacent metal structure. In addition to its common use, spacers can be used in many different situations. The next time you need a spacer, remember to check that the hole in your screw is threaded.

Nut

A nut is a simple device used to secure a screw shaft. The nut is fixed on each end of the screw shaft and rotates along its length. The nut is rotated by a motor, usually a stepper motor, which uses beam coupling to accommodate misalignments in the high-speed movement of the screw. Nuts are used to secure screw shafts to machined parts, and also to mount bearings on adapter sleeves and withdrawal sleeves.
There are several types of nut for screw shafts. Some have radial anti-backlash properties, which prevent unwanted radial clearances. In addition, they are designed to compensate for thread wear. Several nut styles are available, including anti-backlash radial nuts, which have a spring that pushes down on the nut’s flexible fingers. Axial anti-backlash nuts also provide thread-locking properties.
To install a ball nut, you must first align the tangs of the ball and nut. Then, you must place the adjusting nut on the shaft and tighten it against the spacer and spring washer. Then, you need to lubricate the threads, the ball grooves, and the spring washers. Once you’ve installed the nut, you can now install the ball screw assembly.
A nut for screw shaft can be made with either a ball or a socket. These types differ from hex nuts in that they don’t need end support bearings, and are rigidly mounted at the ends. These screws can also have internal cooling mechanisms to improve rigidity. In this way, they are easier to tension than rotating screws. You can also buy hollow stationary screws for rotator nut assemblies. This type is great for applications requiring high heat and wide temperature changes, but you should be sure to follow the manufacturer’s instructions.