Product Description
| DIN7981 SUS 304 A2 Grade Pan Head Cross Slot Self Tapping Screws |
| 1 |
Standard |
DIN7981 |
| 2 |
Size |
ST1.7-ST6.3 |
| 3 |
Material |
Stainless Steel A2-70 etc |
| 4 |
Applications |
Building, Industrial, Furniture... |
| 5 |
Finish |
Plain |
| 6 |
Payment |
TT,Western Union ,Paypal |
| 7 |
Package |
PE bag+ Carton box + Pallet |
| 8 |
Delivery Term |
FOB,EXW |
| 9 |
MOQ |
10000pcs |
| 10 |
HS code |
7318140090 |
Self-drilling self-tapping screw processing method
1, self-drilling self-tapping screw is a kind of screw with drill, through the construction of special power tools, drilling, tapping, fixing, locking once completed, self-drilling self-tapping screw is mainly used for some of the more thin plate connection and fixing, such as the connection of color steel plate and color steel plate, color steel plate and purlin, wall beam connection, its penetration capacity generally does not exceed 6mm, large not more than 12mm;
2, self-drilling self-tapping screws are often exposed to the outdoors, and have strong corrosion resistance; The rubber sealing ring can ensure that the screw does not seep water and has good corrosion resistance;
3, self-drilling self-tapping screws are suitable for the use of wood materials, that is, we often say wood screws, generally manual operation, due to manpower limitations, this kind of screws are generally very small, the scope of use is relatively narrow;
4, self-drilling self-tapping screw is the tap and bolt combined, the front is the tap, the back is the thread, in the general soft material, drill a good empty can be directly screwed into, tap out of the thread, followed by the bolt thread eat, if the screw diameter is small, the material is soft, even without first drilling holes, such as screwing into the wood;
5, self-drilling self-tapping screws are usually described by three parameters: screw diameter series, number of threads per inch length and screw length. There are 10 and 12 screw diameter classes, and the corresponding screw diameters are 4.87mm and 5.43mm respectively. The number of threads per inch length has 14, 16, 24 three levels, the more the number of threads per inch length, the stronger its self-drilling ability.
Company Profile
Quality control devices
Certifications
Packaging & Shipping
Exhibitions
Our Advantages
- Free mold opening
- Free drawing
- Fast delivery
- Non-standard customization
- Adequate inventory
- Quality guarantee
FAQ
1) Are you a trade company or factory ?
Re:We are a factory
2) What is your delivery time ?
Re: For samples order we need 1-3 working days ,bulk order we need 7-15 working days after your payment
3) How to do ODM order ?
Re:Just sending the picture ,technical drawing or as well as prototype you have ,then our engineers will estimate it and let you know asap
4)How about your quality control system ?
Re:we have completed quality control system ,and will check the products one by one before shipment
5)What is the main market ?
Re : We are mainly on Europe,Asia and North America market
6)Can i get free samples ?what are the rules of samples in your company ?
Re: Yes ,Samples can be free for standard item ,qty 10-20pcs but customer pay for the freight ,for Non-standard item,customer has to pay for mold fee and freight
Audited Supplier 
Audited Supplier 
){kind=link}
){kind=link}