Qualities: AISI-304 Y AISI-316. Threads depending on ISO 7/1 (DIN 2999).

Manufacturing measures
1/4 3/8 1/2 3/4 1" 1 1/4 1 1/2 2" 2 1/2 3" 4"
L 21 24 26 28 33 38 40 42 50 55 62