Self Drilling Screw

Self drilling screws are a type of self-tapping screw that features a self-tapping thread. However, these screws differ from regular self-tapping screws in their design. Instead of having a pointed tail, self drilling screws have a drill bit at the tail end. This allows for easier and more efficient drilling into materials, making them a popular choice for a variety of applications. Whether you're building furniture, constructing a metal frame, or working on a DIY project, self drilling screws can provide the strength and durability you need.

The categorization of self-drilling screws is pretty straightforward. It is primarily based on the type of head, which includes: cross-recessed countersunk head, cross-recessed pan head, pan head slotted, flat head slotted, hex washer head, and so on. By tweaking the text, we can come up with unique variations that are still informative.

Self-drilling screws, like other screws, adhere to certain standards for their design and functionality. The two widely recognized standards for self-drilling screws are DIN (Deutsches Institut für Normung) and ASME (American Society of Mechanical Engineers). These standards categorize self-drilling screws based on their specific characteristics and applications. Notable examples include DIN7504K, DIN7504P, and DIN7504N. These standards ensure uniformity and compatibility in the manufacturing and usage of self-drilling screws, promoting efficiency and reliability in various industries. So, when it comes to self-drilling screws, adherence to DIN and ASME standards guarantees quality and compatibility.

There is a scarcity of stainless steel hex self drilling screws in the current market as most of the available options are made of carbon steel. However, if you require such screws, you can reach out to Jiangsu Jinrui Metal Products Co., Ltd. Their products offer excellent value for money, as they provide high-quality screws with economical pricing and packaging options. Don't hesitate to consult them if you have a demand for stainless steel hex self drilling screws.

Self-drilling screw is a kind of screw with a drill bit. It is constructed by special electric tools. Drilling, tapping, fixing and locking are completed at one time. Because of this feature, hex self-drilling screws are mainly used for the connection and connection of some thinner plates, fixing, such as the connection between color steel plate and color steel plate, the connection between color steel plate and wall beam, etc.

Inquiry

There are two types of fasteners. One is standard parts, such as DIN7504K hex head self drilling screw. The other is self drilling screws. non-standard parts. If you want standard pieces, you can tell the standard, size, grade (material), coating and quantity. For example, you want to buy DIN7504K, M3.5x25 , zinc plated and 20000pcs. If you want non-standard parts, you can show us samples, drawings or detailed instructions. Then our engineers will make technical drawings for you.

Price and payemnt

The price can be price/piece, or price/kg. We can quote EXW, FOB, CFR ,CIF with T/T, L/C, Western Union,etc. Or other ways agreed with customers.

Order

After checking, if the price and lead time are both ok, We will start to produce after advance payment according the requirements we promise.

Quality Insurance

We buy PICC PRODUCTS LIABILITY INSURANCE every year. We can agree in the contract that we will replace the goods or refund the money if there are some quality issues after you get our products. If quality problems happen after use, we will track the goods to deal the problems. And our insurance policy can cover your lost.

Q1: Are you a factory or trading company?

A: We are manufacturer of hex bolts and nut for more than 20 years . We have two factories, one in Shanghai and the other in Jiangsu. Our production capacity can be 20000 + tons per year. We can customize our products according to customers' requirements, drawings and samples.

Q2: How many years you do foreign trade?

A: We have more than 20 years experience in exporting products to worldwide countries with our best quality. Now we have exported more than 40 countries, such as Spain, Germany, Italy, Belgium, United Kingdom, Lithuania, USA, Canada, Australia, Singapore,Japan, Thailand, Malaysia, South Korea,Indonesia, Egypt, Philippines and so on.

Q3: Do you have enough outputs?

A: We have enough stock in warehouses with abundant capital. We offer 24-hour services. For most common standards, we have them on stock, such as hex bolts, hex nuts, etc.

Q4: How to ensure that every process's quality?

A: First, we have technical drawings for each product when producing.

Second, our workers most have more than 10-years experience of doing hex bolts.

Third, our QC people will do inspection every 2 hours. If finding the bad parts, they will stop the porduction immediately.

Then,the finished parts will be checked again before shipment which insures every product's quality.

Q5: How to ensure the safety of long-distance transportation?

A: We pack into cartons first, and then pack cartons on pallets. The pallet is very easy to lift by Forklift wihch will protect the cartons from damage. Professional packing teams which keep every packing safely.

Q6: What products can you customize?

A:One is standard parts, such as DIN933, hex bolts. The other is Non-standard parts. If you want standard parts, you can tell the standard, size, grade(material) ,coating and quantity. For example, you want to buy DIN933, M12X60,grade 8.8, zinc plated and 20000pcs.

If you want non-standard parts, you can show us samples, drawings or detail descriptions. Then our engineer will do the technical drawings for you.

There are many, such as hexagon bolts, flange bolts, round head square neck bolts, as well as track bolts, U-bolts, T-bolts, flat head hexagon bolts, hex nuts, hex flange nuts .

Q7: Can you provide some sample?

A: Samples can be provided as your requirements.

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