Viti a esagono incassato SNSS-BK【Da 1 a 5 pezzi】 (SNSS-M5X25-BK)

● The stainless black surface treatment develops a passive membrane on the stainless steel surface up to 200x than normal to produce a deep black finish.
● Excellent corrosion resistance. 8x more corrosion-resistant than SUS316L and 32x more corrosion-resistant than SUS304.
● The membrane contains no impurities and has extremely low out-gas even in vacuum environments.
● Spectral reflectance is 1.5% or less. For optical instruments, etc., that require anti-reflection