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