These are fasteners characterized by non-magnetism. Both the A2-100 and A4 series have a stable permeability of 1.01 to 1.03μ, meeting consistent non-magnetism requirements.
The A2-100 hexagon socket head screws use SUS304CUN from Daido Special Steel with a tensile strength of 1,000 MPa, boasting stress corrosion resistance equivalent to SUS316 and non-magnetism.
They also exhibit excellent heat resistance, with no carbon precipitation occurring even at 500 to 700°C.
Various products of the A4 series (SUS316L) are also available for stock sales, with particular emphasis on screws with a tensile strength of 700 MPa, offering superior strength, corrosion resistance, and non-magnetism.