De China al por mayor de cabeza plana tornillos de perforación fábrica

  • tornillos de cabeza plana de perforación
  • tornillos de cabeza plana de perforación
Los tornillos autoperforantes
  • 7-35 días
  • 5000 toneladas

Nombre del producto: Autoperforantes Tornillo
Estándar: ASME B18.6.4 y SAE J78 DIN7504K, DIN7504P, DIN7504N
Tamaño: No. 4 (2,8) -1/2"
Material: acero al carbono, aleación de acero, acero inoxidable
Longitud: 10-180mm (3 / 8” - 7” )
Head tipo: hex, plano, Pan, braguero, Ronda, arandela hexagonal, oval, enmarcado Pan, Clarín, Fillister
tipo Drive: Phil, ranurado, Phil y combinación con ranuras, casquillo hexagonal, Pozi
tipo de tornillo: BSD , CSD
Acabado: liso, chapado en zinc (Claro / azul / amarillo / Negro), óxido de Negro, níquel, cromo, HDG

Self Drilling Screws

pan head drilling screws

Product Parameters


ASME B18.6, DIN7504K DIN7504PDIN7504N




Carbon Steel, Alloy Steel, Stainless Steel


10-180mm (3/8”- 7”)

Head type:

hex , flat, pan, truss, round, hex washer, Oval, pan framing, bugle, fillister

Drive type:

Phil, slotted, Phil & slotted combination, hex socket

Screw type:



Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G


bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand


Structural Steel; Metal Buliding; Oil&Gas; Tower&Pole; Wind Energy; Mechanical Machine; Automobile: Home Decorating


Caliper, Go&No-go gauge, Tensile test machine, Hardness tester, Salt spraying tester, H.D.G thickness tester, 3D detector, Projector, Magnetic flaw detecter

Supply Ability:

5000 tons per month


500kgs for each specification

Trade Term:


Our advantage:

One-stop shopping; 
High quality; 
Competitive price; 
Timely delivery; 
Technical support; 
Supply Material and Test Reports; 

Samples for free


Please lets know the Size, quantity, Material or Grade, surface, If it is special and Non-standard products, please supply the Drawing or Photos or Samples to us

The tail of the self-drilling screw is drilled or pointed, and no auxiliary processing is required. It can directly drill, tap and lock on the fixed and basic materials, greatly saving construction time. Compared with ordinary screws, it has high toughness and holding force, and the combined length will not loosen after a long time. It's easy to punch and tap safely with one shot.

Material and model: The material is carbon steel and stainless steel, of which stainless steel is divided into various materials.

Models are: Φ4.2 / Φ4.8 / Φ5.5 / Φ6.3mm, the specific length can be agreed upon according to requirements. According to the different types of drill tails, it can be divided into: round head rice / cross / plum, countersunk head (flat head) / rice / cross / plum, hexagonal Huashi, round head Huasi (large flat head), trumpet head and so on.

Uses: It is a kind of screw. It is mainly used for the fixing of steel steel tile and steel plate for simple construction. It cannot be used for metal to metal bonding.

Performance standard

When using self-drilling screws, if you can understand the mechanical properties of the screws first, then you can use the screws better. Different types of screws have different mechanical properties and different mechanical properties, which leads to different situations in which the screws are used.


Product name

Self Drilling Screws

Place of origin


Brand Name



Qingdao or according to requirement

Delivery time

Normally in 7-35 days, according to quantity


500kgs for each specification


According to customer’s requirement



Who We are


NEW STARWDH INDUSTRIAL CO.,LTD supplies the best fastener product solutions and quality fastener productsOur core products cover ASME/ANSI, DIN, JIS, ISO, GB and other standard products, relying on the company's strong technical team, equipment, resource integration capabilities, including: Bolts, Nuts, Machine screws, Self tapping screws , Self drilling screws, Thread rod, Washers, Anchor bolts and other products. We welcome the customization of our products and have a complete customized production system to meet the different needs of different customers for fastener products.

Quality control


our company strictly complies with ISO9001 system. All our products are subjected to strict test and inspection in each process by the workers periodically, starting from the raw materials delivered to the factory.

Test Report  

If you need, the test report form the third part is available

pan head drilling screws


Packaging Details:


30,40,50CTNS/PALLET 15KGS/CTN0.35
36,48CTNS/PALLET  (10-22)KGS/CTN0.36

B. According to customer special demand.

pan head drilling screws

We also accept customization order according to your samples and drawings

If you have other questions or concerns, please feel free to contact us.

diagrama de flujo de producción
diagrama de flujo de producción
Detalles del empaque
Detalles del empaque
Empaquetado y entrega
Empaquetado y entrega
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