DIN 912 hex socket screw with cylindrical head, acid-resistant grade A4-80. Hex screw CH A4 stainless steel (Fortification / Screws with inner hexagon / Cylindrical head socket screws CH). Principal data: thread diameter M14, length 30 mm, indicative package size 50 pcs, nominal thread length 40 mm. Supplied under manufacturer part number 80912140306, EAN 5711160873148, HS code 7318.15, country of origin Germany.