Specialize in industrial tools and machine tool accessories since 1993


Trade Terms
Supply Ability
Qingdao or any other main port in China
T/T,L/C,Western Union,Moenygram,Paypal,etc
Packaging Detail
plastic case
by air or by sea
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Quantity Needed:
Application Scope
tool accessories produced by PRECO is applied to the following industries.PRECO insists on providing customers with comprehensive solutions based on their actual needs, so as to help them achieve long-term success.
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Product Details
PRECO's tool accessories is exquisite in details.PRECO carefully selects quality raw materials. Production cost and product quality will be strictly controlled. This enables us to produce tool accessories which is more competitive than other products in the industry. It has advantages in internal performance, price, and quality.
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Company Advantages
1. PRECO is fabricated by complying with an array of regulatory and standards. They include electromagnetic compatibility (EMC) and the chemical composition of materials.
2. The product has no impurities, dark spots, or scratches on the surface. The polishing process has removed all of this imperfections.
3. The product is sanitary. It has adopted the strictest standards in cooling to prevent foodborne illnesses caused by bacteria.
4. After many times of QC checking, all delivered are in high quality.

Product Information

DIN351/BSW Hand Taps
SizeCutting LengthOverall Length


Individual size and sets are both packed  in plastic boxes


  • ◪  Used in making threads in a hole to insert a fastener to hold two mating parts together.

Product Message

Company Features
1. Qingdao preco imp. & exp. co., ltd. is a renowned manufacturer of . We mainly provide innovative products for the industry.
2. We manage the global supply of products to our customers worldwide, including notably Japan, the US, and the UK. The international demand for our products demonstrates our ability to meet or exceed the needs of every customer.
3. We strive to build trust with society through our efforts to operate with high values and integrity and to find new ways to expand customers' access to our products and services. Our pledge to our customers is “quality and safety”. From the incoming materials inspection, components inspection, to the piece quality inspection, we promise to do best and offer the desired requirements.
Our Products


Product Description


The quality of PRECO can be guaranteed. It is sent to the reputable third-party quality testing institution which offers certification services for pool and spa component manufacturers in a variety. Sound timbre is significantly enhanced to the maximum extent
PRECO is an outcome of four applicable expertise. Specific knowledge in geology, chemical analysis, and high purity process are used to convert raw materials into high purity and high-value final product. The temperature control system can adjust the output power according to the changes of temperature
The tests for PRECO cover a wide range. It has to undergo tests include raw material testing (e.g. glow wire test, needle flame), chemical hazards testing, and current leakage testing. It can support multiple devices via the interface
The manufacturing process of PRECO covers a few major steps. It goes through board cutting, bending, welding of electric parts, PCB handling, and assembling. The built-in loudspeaker protection circuit protects high volume bursts of audio
PRECO is of scientific design. Important elements are taken into account, including the effects of thermal expansion and contraction, the sway and movement of a building, and thermal efficiency. It is built to be water-resistant thanks to the stainless steel shell
have highly marketable properties such as . Its surface is well processed by a layer of paint to resist rust
Through the cooperation of exceptional technicians, is characterized by its . The product undergoes a series of tests and proves to have high resistance to impact and friction
Compared with , our has the character of . The product is characterized by excellent ultralow frequency protection
Our concentrations on the design of has worked out finally. OEM/ODM service is available for the product to meet demands for color and size
is , it provides a new method to . Its control knob comes with easy adjustment
Using the concept of , Our products strongly show . It delivers different ranges of voice volume without sacrificing audio quality
The product allows for increased production and profit margin. Because it makes fewer mistakes than humans, saving companies' time. The temperature control system can adjust the output power according to the changes of temperature
The product significantly decreases production cycle time. It can work for long in an efficient manner, which finally increases the production rate. Its compact design is ideal for mounting in low clearance location
The use of this product has greatly improved labor efficiency and reduced the intensity of talent work. Therefore, it is considered to be an indispensable product of the manufacturer. It is easy to carry and store due to its compact design
With this product, business owners only need to employ fewer members. It can drastically cut labor costs by bringing the best results. It is easy to carry and store due to its compact design
This product is a good investment for business owners. It not only can increase production efficiency but also reduce fixed costs such as time cost and labor cost. No matter there is a short circuit or long-time full-load working, it can quickly stop working for security
Since this product only requires a low number of workers to finish production tasks, it considerably helps save labor costs. The product undergoes a series of tests and proves to have high resistance to impact and friction
Product Message
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