Stem GN 717-8-M12-A-ST Z018396

Galvanized steel. AISI 303 stainless steel. The suggested hole cooperating with the mandrel should be made to the tolerance +0,06/+0,08. Galvanized steel. Threaded body Stem Lock nut Stainless steel. High-resilience polyamide based (PA) technopolymer, black color, matte finish. Resistant to solvents, oils, greases and other chemical agents. - Execution A: with extraction ring, without lock nut. - Type AK: with extraction ring and lock nut. - Execution B: with knob, without lock nut. - Execution BK: with knob, with lock nut.