Specialize in industrial tools and machine tool accessories since 1993


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PRECO drill step drill set factory price for factory

PRECO drill step drill set factory price for factory

PRECO drill step drill set factory price for factory

Trade Terms
Supply Ability
Any main ports in China
T/T,L/C.Western Union,Paypal,Moneygram,Payment for online orders
Packaging Detail
1pc packed in 1 palstic tube
By sea or by air
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Quantity Needed:
Enterprise Strength
  • PRECO puts customers first and makes effort to provide quality services based on customer demand.
Product Details
In the production, PRECO believes that detail determines result and quality creates brand. This is the reason that we strive for excellence in every product detail.cutting tool, manufactured based on high-quality materials and advanced technology, has reasonable structure, excellent performance, stable quality, and long-lasting durability. It is a reliable product which is widely recognized in the market.
  • PRECO drill step drill set factory price for factory-industrial tools, cutting tool, tool accessorie
Company Advantages
1. step drill set has reasonable structure and step down drill bit , and is more suitable for popularization and application.
2. step drill set has many superior benefits, such as the step down drill bit .
3. Among all kinds of step drill set , step down drill bit has widely found its applications in industry because of its fine properties.
4. This product can avoid people the waiting time because it is able to emit full brightness without delay even one second.
5. The product has already used in residences, offices, and industries. Thanks to its low energy consumption, it helps cut down many energy costs.

Product Information

Step Drills
Individual Size

SizeStepShankTotal LengthItem No. 


  In WoodenIn MetalIn Plastic 
34-12mm(9 steps)354-5030354-5039354-5034
 4-20mm(9 steps)   
 4-30mm(14 steps)   
34-12mm(5 steps)354-5035354-5032354-5044
 6-20mm(8 steps)   
 6-30mm(13 steps)   

Product Message

Company Features
1. Since the establishment, Qingdao preco imp. & exp. co., ltd. has accumulated many years of experience in the design and manufacturing of step down drill bit .
2. Qingdao preco imp. & exp. co., ltd. adopts high-end technology and implement strict measures to control quality of step drill set .
3. Qingdao preco imp. & exp. co., ltd. insists on green development to build a better world together with our customers. Get more info! Based on our main business, PRECO endeavor to improve the competitiveness in step bit industry. Get more info! Our aim is to produce step drill bit set with the best quality and reasonable price, along with the best after-sales service. Get more info!
PRECO step down drill bit covers a wide range of manufacturing processes. These processes are fabric sourcing, pattern designing & making, sampling, mass production, and quality control.
The industry-related tests for PRECO step drill bit set must be conducted. These tests include perforation resistance testing, water absorption testing, vapor permeability testing, and cut resistance testing.
Many considerations are taken when designing PRECO step drill set. They are durability, high-abrasion resistance (less prone to scuffing), flexibility, and so forth.
During the design phase, several factors of PRECO step down drill bit have been taken into account. They include structural&visual balance, symmetry, unity, variety, hierarchy, scale, and proportion.
In the manufacture of PRECO step drill set], strict safety requirements for furniture have been complied with. The product has been compulsorily tested in terms of structural stability, materials content, and toxicity, as well as other safety concerns.
This product is treasured for its consistent performance.
The inspection of each process of the product is a guarantee of its outstanding performance.
Its user-friendly performance is ensured under any circumstance.
The product has advantages of long service life and excellent performance.
step drill bit set is located in the high-end market.
The product can be easily installed in the open, such as on rooftops, parking lots, or ground-floor open spaces.
The product is popular mainly due to its good thermal conductivity, heat dissipation, fast heating capacity, as well as high-strength metal structure.
The product is perfect for all skin types. Women with oily or sensitive skin can also use it and never have to worry about worsening their skin condition.
The product is very versatile due to its strong resistance, which makes it a popular solution in solving the industrial and commercial problems.
The product is an excellent way to make people's immune system stronger, by introducing a controlled use of hot and cold stimulation.
Product Message
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