300 series stainless is also known as 18-8 stainless steel because it typically consists of 18% chromium and 8% nickel. 300 series stainless steel has excellent corrosion resistance and is generally non-magnetic. It is an excellent material to use for general outdoor purposes. It can withstand standard environmental conditions without corroding. It is a far superior material to use compared to steel products when it is exposed to the elements. The 300 series stainless properties is as follows:

 

Cr 

Ni 

Max C 

MaxMn 

Max P 

Max S 

Mo 

Max Si 

302 stainless 

17-19% 

8-10% 

0.15% 

2% 

0.045% 

0.03% 

 

1% 

303 stainless 

17-19% 

8-10% 

0.15% 

2% 

0.02% 

0.15% min 

0.6% max 

1% 

304 stainless 

18-20% 

8-10.5% 

0.08% 

2% 

0.45% 

0.03% 

 

1%

 

Hex nuts are a 6 sided nut with threads in the middle that are meant to mate with a threaded bolt with similar threads. We carry hex nuts in a variety of styles. We also carry the metric equivalent in 300 series stainless steel in metric which is A2 stainless. It includes:

  • Finished hex nuts
  • Machine screws (regular and small pattern)
  • Heavy hex nuts
  • All metal lock nuts
  • Nylon lock nuts
  • Serrated flange lock nuts