3.5 mm drilling screw


Drill and Tail Screws are versatile and reliable fastening solutions for a wide range of applications, whether it’s a construction project, carpentry job or DIY application.

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Product Description

1. Simplified Installation: Drilling screws are designed for easy and efficient installation. These screws feature a self-drilling point or a drill bit at the tip, eliminating the need for pre-drilling pilot holes. This saves time and effort during the installation process, making drilling screws a convenient choice for various applications.

2. Versatile Fastening Solution: Drilling screws offer versatility in their applications. They can be used in a wide range of materials, including wood, metal, plastic, and composite materials. Whether you’re working on construction projects, carpentry, or DIY applications, drilling screws provide a reliable and versatile fastening solution.

3. Increased Efficiency: The self-drilling feature of these screws enhances installation efficiency. The drill point or drill bit at the tip allows for quick penetration into the material, reducing the time required for installation. This increased efficiency can result in higher productivity and cost savings, especially for large-scale projects or high-volume applications.

4. Secure and Reliable Fastening: Drilling screws provide a secure and reliable fastening solution. The self-drilling feature ensures that the screw threads engage properly with the material, creating a tight and secure connection. This minimizes the risk of loosening or pullout, ensuring a long-lasting and durable fastening solution.

5. Time and Labor Savings: By eliminating the need for separate drilling operations, drilling screws save both time and labor. This reduces the number of steps required for installation, streamlining the overall process. The time and labor savings associated with drilling screws can contribute to increased project efficiency and cost-effectiveness.

6. Broad Range of Applications: HOTEK offers drilling screws in various sizes, lengths, and materials to cater to a wide range of applications. Whether you need to fasten roofing sheets, metal profiles, wooden structures, or plastic components, HOTEK’s drilling screws provide a reliable and versatile solution.

7. High-Quality Materials: HOTEK’s drilling screws are manufactured from high-quality materials, such as corrosion-resistant stainless steel or coated carbon steel. This ensures their durability and longevity, even in demanding environments or exposure to the elements. The use of premium materials enhances the overall performance and reliability of the screws.

8. Resistance to Pullout and Loosening: Drilling screws are designed to resist pullout and loosening over time. The combination of the self-drilling point and the screw threads ensures a secure grip within the material, minimizing the risk of screws coming loose due to vibration or external forces. This provides added stability and reliability to the fastened components.

Product Details

1. Standards: DIN, ASME, ISO, BS, GB 

2. Materials option: Stainless Steel, carbon steel, brass, alloys, titanium, ect.

3. Finish: plain, zinc plated, black, blue-white zinc, Dacromet, ect.

4. Size:Custom

5. Delivery time: 15 days, based on the order

6. If your products are non-standard, please send me your drawings.


material 1. Stainless Steel: SUS302, SUS304, SUS316,SUS201,etc
2. Carbon Steel: 1018, 1022 etc
3. Alloy Steel : Titanium Alloy, 10B21, 435, 402Cr etc
4. Aluminum or Aluminum Alloy
5. Brass
Surface TreatmentZinc plated, Nickle plated, Chrome plated, Passivation, Oxidation, Anodization, Black Oxide, Phosphatizing, Power Coating and Eletrophoresis, etc
Processing Equipmentcold heading machine, threading machine, CNC machining center, CNC lathe, automatic lathe machine, conventional lathe machine, milling machine, drilling machine, grinding machine, etc
MOQDepending on the situation, please send inquiry.
StandardDIN, GB, ISO, ANSI, BS, JIS etc
Non-standard:OEM is available, but you should give us samples or drawing.
SampleWe could provide samples for free, if we have the stock. Buyers pay freight, and could choose which one you want. We will send Deppon Express for no express delivery.
Terms of TradeFOB, CIF
Lead Time15-20 days after order confirmed or as you request
PackingSingle poly bag, bubble bags, wooden case, carton box, or as you request
LogoWe will print our logo and brand, of course, without additional requirements.

If you want, we could print your logo or your brand.

After-sales ServiceWe will follow up every customer and solve all problems for you.
Certification:ISO 9001:2015, SGS

Our Company

Hotek (XiaMen) Technology Co., Ltd. is a provider of reliable, safe and stable “industrial meters” fasteners for all industries. In addition to selling standard fasteners such as hexagon bolts, hexagon nuts, Flange nuts, flat washers, spring washers, etc.), and customized non-standard products (such as T-bolts, drill screws, wood screws, double-end bolts, etc.) according to customer needs. At present, our main sales customers are photovoltaic, machinery, shipbuilding, automobile, medical and other industries. The main brands are AOzhan Industry Co., LTD. ‘s AOfeng SUS304 fasteners, carbon steel bolts, other excellent suppliers to provide quality products and non-standard customized products. Our company is committed to the development and contribution of all walks of life, later will continue to supplement the product series to meet the different needs of customers.

My company is located in the beautiful xiamen, the company address is located in xiamen jimei district almond shaped, 7-4 light road, one of our company since it was founded in 2015, has been adhering to the constant, sheng, the spirit of the day and the management idea, namely, perserve, enthusiastic service, client is greater than the days of business philosophy, with professional service, excellent quality to win the market reputation!

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Customer Review

Packaging & shipping


How is quality ensured?

 All our processes strictly adhere to ISO9001:2008 procedures. We have strict quality controlfrom producing to delivery.Our company had strong technology support, We have cultivated agroup of managers who are familiar with product quality , good at modern concept of management

You can send the pictures/photos and drawings of the products you need by email , we wilcheck if we have them. We develop new models every month, Or you can send us samples byDHL/TNT, then we can develop the new model especially for you.

By T/T, for samples 100% with the order; for production, 30% paid for deposit by T/T beforeproduction arrangement, the balance to be paid before shipment.

Standard parts: 7-15days
Non-standard parts:15-25days
We will make the delivery as soon as possible with the quarantee quality.

 lf you have a new product drawing or a sample, please send to us, and we can custom-madethe hardware as your required. We will also provide our professional advices of the products tomake the design to be more realized & maximize the performance.

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