AISI 316 Stainless Steel Self Tapping Screw Cross Recessed Flat Head Fastener
Flat head Stainless Steel screws with cross recess are made of 18-8 stainless steel grade 316 with high tensile strength which are capable of heavy load .
| Tensile strength σb (MPa) |
535 |
| Yield Strength σs (MPa) |
210 |
| Elongation δ5 (%) |
50 |
| Reduction of area ψ (%) |
65 |
| Density g/cm3) |
7.93 |
General Features
● No burrs
● Bright surface
● Excellent corrosion resistance
● Precise dimensions
● Superior 18-8 stainless steel
Specification
Our specifications for 18-8 stainless steel screws embody M1.0 to M8 and we are able to provide custom manufactured beyond M8 .we take the most advanced technology and machines to ensure screws quality , your satisfaction is always our aim .
DIN7982
| d1 |
2.2 |
2.9 |
3.5 |
3.9 |
4.2 |
4.8 |
5.5 |
6.3 |
| k |
1.3 |
1.7 |
2.1 |
2.3 |
2.5 |
3 |
3.4 |
3.8 |
| d2 |
4.3 |
5.5 |
6.8 |
7.5 |
8.1 |
9.5 |
10.8 |
12.4 |
Unit : mm
Note : Length of screws are confirmed according standard or your customizaiton .
Finish
For a service with long time , self tapping screws are plated in finishing , stainless steel screws can be not plated sometimes .
1 , Zinc
This is popular finish and various colors for choice . The resistance of rust is good and eco-friendly .
2 , Nickel
Nickel finish makes the surface of the screws will more bright and hardened and the performance of screws will be improved .
3 ,Passivation
Most stainless steel screws will be passive after forming so that to stop screws to be rusted .
4 , Tin
It is very perfect to be anti-rust , and widely used to components .
5 , Brass finish
Available for stainless steel screws and carbon steel screws .
6 , Dacromet
Be used for screws with big sizes and can stop screws to be rusted long time even under bad surroundings .
7 , Polishing
Improve roughness of surface .
Material
Except stainless steel 18-8 material for self tapping screws , we are also providing more different material for various applications .
Stainless steel :
SUS 201 , SUS303 , SUS 304 ,SUS 316 , SUS 416 ,SUS 430 and SUS 420 .
Carbon steel :
1008 , 1010 , 1018 , 1022 , 1035 , 1045 , SCM 435 and 40CRO
Aluminum :
2024 , 6061 and 7075
Brass :
CuZn35 , CuZn37 , CuZn40 , CuZn37Pb1 and CuZn39Pb1
Applications
★ Stainless steel screws are widely used for various fields
★ Aviation : aerospace ,satellite ,rocket and airplane
★ Building and bridge
★ Furniture
★ Machinery
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