China countersunk screws customized quotes
- NEWSTARWDH
- CHINA
- 7-35 DAYS
- 3000 TONS
The inner hexagonal countersunk head is rounded with a concave hexagon in the middle, and the countersunk screw is the common hexagonal side of the screw head. Hexagon socket head screws are often used on machinery, mainly for easy fastening, disassembly, and not easy to slip.
Countersunk Screws
Product Parameters
Standard: | ASME/ANSI B18.6,DIN964,DIN965,D7991,JIS B 1111,ISO7046 |
Size: | #5 - 3/4"; M3 – M20 |
Material: | Carbon Steel, Alloy Steel, Stainless Steel, |
Length: | 10-180mm (3/8”- 7”) |
Head type: | Flat Countersunk head |
Drive type: | Phil, slotted, Phil & slotted combination, hex socket, Pozl |
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: | 3000 tons per month |
MinimumOrder: | 500kgs for each specification |
Trade Term: | FOB/CIF/CFR/CNF/EXW/DDU/DDP |
Our advantage: | One-stop shopping; OEM |
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 |
Description
Product name | Countersunk 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 |
The difference between countersunk head screws and flat head screws
Difference in contact surface
1. Flat head screw: The contact surface of the flat head screw and the workpiece is a plane.
2. countersunk head screw: countersunk head screw and workpiece contact surface cone surface.
Different force
1. Flat head screws: Flat head screws are subject to large forces.
2. Countersunk head screws: The countersunk screws are less stressed.
Different combinations
1. flat head screws: can be used in combination with flat gaskets.
2. countersunk screws: can only be used in combination with tapered gaskets.
Different ways of use
1. Flat head screw: It can be deep inside the counterbore or exposed to the outside.
2. countersunk head screw: only inside the counterbore.
Packaging Details:
A.
| SIZE | KGS/CTN | KGS/CTN |
| 24CTNS/PALLET | (11-22)KGS/CTN | 0.47 |
| 48CTNS/PALLET | (11-17)KGS/CTN | 0.35 |
| 36CTNS/PALLET | 15KGS/CTN | 0.33 |
| 30,40,50CTNS/PALLET | 15KGS/CTN | 0.35 |
| 36，48CTNS/PALLET | (10-22)KGS/CTN | 0.36 |
| 1CTN/PALLET | 803KGS/CTN | 4.55 |
| BAG | 25KGS/BAG |
B. 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.
