DIN 912 hex socket screw with cylindrical head in acid-resistant A4-80 stainless steel. Hex screw CH A4 stainless steel (Fortification / Screws with inner hexagon / Cylindrical head socket screws CH). Principal data: thread diameter M12, length 110 mm, indicative package size 25 pcs, nominal thread length 36 mm. Supplied under manufacturer part number 80912121106, EAN 5711160873032, HS code 7318.15, country of origin Germany.