Supply mushroom head self tapping screw sale quotes
- NEWSTARWDH
- CHINA
- 7-35 DAYS
- 1000 TONS
The round head self-tapping screws are made of carbon steel, with high surface hardness and good core toughness. This is a major feature of the performance requirements of the self-tapping screws of the round head, and the surface has been treated with electroplating protection to effectively guarantee its quality. Process production, high thread quality.
Product Parameters
Round Head Self Tapping Screws | |
Standard: | ASME B18.6.3 |
Size: | #4(2.8)-1/2" |
Length: | 10-180mm (3/8”- 7”) |
Head type: | round |
Drive type: | Phil, slotted, Phil & slotted combination, hex socket |
Screw type: | AB, B, BP, BF, BT, C, D, F, G, T, U |
Material: | Carbon steel C1018, C1022, CH22A |
Thread: | M, UNC, UNF |
Finish: | Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G |
Packing: | bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand |
Application: | Structural Steel; Metal Buliding; Oil&Gas; Tower&Pole; Wind Energy; Mechanical Machine; Automobile: Home Decorating |
Equipments: | 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: | 1000 tons per month |
MinimumOrder: | 500kgs for each specification |
Trade Term: | FOB/CIF/CFR/CNF/EXW/DDU/DDP |
Our advantage: | One-stop shopping; High quality; Competitive price; Timely delivery; Technical support; Supply Material and Test Reports; OEM Samples for free |
Notice: | 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 |
Detailed Images
Description
Product name | Round Head Self Tapping Screws |
Place of origin | China(Mainland) |
Brand Name | NEWSTARWDH |
Port | Qingdao or according to requirement |
Delivery time | Normally in 7-35 days, according to quantity |
MOQ | 500kgs for each specification |
Mark | According to customer’s requirement |
OEM | Available |
What is the difference between a round head tapping screw and a normal screw?
The round head self-tapping screws can be drilled directly without the use of eyes. Ordinary screws should be used with the nut.
details as follows:
The thread is divided into a male thread and a female thread. Generally, the thread on the bolt is a male thread, and the thread on the nut is a female thread.
Round head self-tapping screws: Refers to nuts that do not require a female thread, and they have a female thread drilled into the material while screwing in.
Ordinary screws: The thread on the ordinary screw is a male thread, and the thread on the nut is a female thread.
"Self-attack": means that you can "attack" into it.
Round head self-tapping screws are used for non-metallic or soft metal, without low hole and tapping; self-tapping screws are pointed, so that they can be "self-tapping"; ordinary screws are flat, and the thickness is the same. Self-tapping The screw is said: the hole of the drill is a hole without tapping. The screw used is different from the general one. The head is pointed and the tooth distance is relatively large. It is similar to the chipless tapping. It can be screwed directly into the metal without tapping. This method is usually used with plastics. It can "tapping-drilling, squeezing, pressing" the corresponding threads on the consolidated material by its own thread to make it fit closely to each other.
Packaging Details:
A. Bulk in cartons(≤25KG)on wood pallet 36CTN/wood Pallet
B. Box + Carton + wood pallet , carton≤ 18kg , 48CTN/wood Pallet
C. According to customer special demand.
We also accept customization order according to your samples and drawings
If you have other questions or concerns, please feel free to contact us.
