Stainless Steel 304 A2-70 Slotted Countersunk Head Tapping Screws
Product Description
Slotted Countersunk Head Tapping Screws
Goshen's screw in boat are made of 304 stainless steel, which has a bright color, less corrosion and a lot of size.Secondly,hex bolt full thread dimensions is also complete.
Material
| 304 Chemical Composition(%) | ||||||||
| Grade | C≤ | Mn≤ | Si≤ | S≤ | P≤ | Cr | Ni | N≤ | 
| 0.08 | 2 | 0.75 | 0.03 | 0.045 | 18.0-20.0 | 8.0-10.5 | 0.1 | |
| 304 Mechanical property | |||
| σb≥ | σ0.2≥ | δ5 (%)≥ | Hardness(HB)(kgf/mm2)] | 
| 520(Mpa) | 205(Mpa) | 40% | ≤187 HRB≤90 HV ≤200 |