DIN 908 is Internal drive screw plugs with collar - Cylindrical thread
DIN 908 stainless steel material, M 16 thread tightening torque data and ISO equivalent.

DIN 908 standard specifies dimensions, masses and technical delivery conditions for screw plugs which are intended to be screwed into holes with parallel thread as specified in DIN 13-5, DIN 13-6 or DIN 13-7, and DIN EN ISO 228-1.
Such plugs may be used together with seal rings as specified in DIN 7603, the type and material of which are to be selected as a function of the operating conditions (e.g. the fluid with which the threaded parts are in contact, temperature, pressure, etc.).
Standard references as follow:
DIN 13-7 : 1999 ISO GENERAL PURPOSE METRIC SCREW THREADS - PART 7: NOMINAL SIZES FOR 2 MM FINE PITCH THREADS - NOMINAL DIAMETER FROM 17 MM TO 300 MM
DIN EN 10087 : 1999 FREE-CUTTING STEELS - TECHNICAL DELIVERY CONDITIONS FOR SEMI-FINISHED PRODUCTS, HOT ROLLED BARS AND RODS
DIN 5586 : 1989 COMPRESSED AIR EQUIPMENT FOR RAIL VEHICLES - LOCKING SCREWS WITH COLLAR AND VENT
DIN ISO 8992 : 2005 FASTENERS; GENERAL REQUIREMENTS FOR BOLTS, SCREWS, STUDS AND NUTS
DIN EN 10277-3 : 2008 BRIGHT STEEL PRODUCTS - TECHNICAL DELIVERY CONDITIONS - PART 3: FREE-CUTTING STEELS
DIN EN 28839 : 1991 MECHANICAL PROPERTIES OF FASTENERS - BOLTS, SCREWS STUDS AND NUTS MADE OF NON-FERROUS METALS
DIN EN ISO 3269 : 2000 FASTENERS - ACCEPTANCE INSPECTION
DIN EN ISO 4759-1 : 2001 TOLERANCES FOR FASTENERS - PART 1: BOLTS, SCREWS, STUDS AND NUTS - PRODUCT GRADES A, B AND C
DIN 909 : 2012 HEXAGON HEAD PIPE PLUGS - CONICAL THREAD
DIN EN 26157-3 : 1991 FASTENERS - SURFACE DISCONTINUITIES - BOLTS, SCREWS AND STUDS SUBJECT FOR SPECIAL REQUIREMENTS
DIN 7603 : 2001 SEALING RINGS
DIN 3852-1 : 2014 STUD ENDS AND PORTS OF FITTINGS, VALVES AND PLUG SCREWS - PART 1: DIMENSIONS FOR METRIC FINE PITCH THREAD
DIN 13-5 : 1999 ISO GENERAL PURPOSE METRIC SCREW THREADS - PART 5: NOMINAL SIZES FOR 1 MM AND 1,25 MM FINE PITCH THREADS - NOMINAL DIAMETER FROM 7,5 MM TO 200 MM
DIN EN ISO 3506-1 : 2010 MECHANICAL PROPERTIES OF CORROSION-RESISTANT STAINLESS STEEL FASTENERS - PART 1: BOLTS, SCREWS AND STUDS
DIN EN ISO 3506-3 : 2010 MECHANICAL PROPERTIES OF CORROSION-RESISTANT STAINLESS STEEL FASTENERS - PART 3: SET SCREW AND SIMILAR FASTENERS NOT UNDER TENSILE STRESS
ISO 9974-4 : 2016 CONNECTIONS FOR GENERAL USE AND FLUID POWER - PORTS AND STUD ENDS WITH ISO 261 THREADS WITH ELASTOMERIC OR METAL-TO-METAL SEALING - PART 4: DIMENSIONS, DESIGN, TEST METHODS AND REQUIREMENTS FOR EXTERNAL HEX AND INTERNAL HEX PORT PLUGS
DIN EN ISO 225 : 2011 FASTENERS - BOLTS, SCREWS, STUDS AND NUTS - SYMBOLS AND DESCRIPTIONS OF DIMENSIONS
DIN 267-2 : 2016 FASTENERS - TECHNICAL SPECIFICATION, SURFACE ROUGHNESS FOR PRODUCT CLASSES A AND B
DIN EN ISO 10664 : 2015 HEXALOBULAR INTERNAL DRIVING FEATURE FOR BOLTS AND SCREWS (ISO 10664:2014)
DIN EN ISO 228-1 : 2003 PIPE THREADS WHERE PRESSURE-TIGHT JOINTS ARE NOT MADE ON THE THREADS - PART 1: DIMENSIONS, TOLERANCES AND DESIGNATION
DIN 910 : 2012 HEXAGON HEAD SCREW PLUGS WITH COLLAR - CYLINDRICAL THREAD
DIN EN ISO 3506-2 : 2010 MECHANICAL PROPERTIES OF CORROSION-RESISTANT STAINLESS STEEL FASTENERS - PART 2: NUTS
DIN ISO 965-1 : 2017 ISO GENERAL PURPOSE METRIC SCREW THREADS - TOLERANCES - PART 1: PRINCIPLES AND BASIC DATA (ISO 965-1:2013)
DIN ISO 2768-1 : 1991 GENERAL TOLERANCES - TOLERANCES FOR LINEAR AND ANGULAR DIMENSIONS WITHOUT INDIVIDUAL TOLERANCE INDICATIONS
DIN EN 10263-2 : 2014 STEEL ROD, BARS AND WIRE FOR COLD HEADING AND COLD EXTRUSION - PART 2: TECHNICAL DELIVERY CONDITIONS FOR STEELS NOT INTENDED FOR HEAT TREATMENT AFTER COLD WORKING
DIN EN ISO 4042 : 2001 FASTENERS - ELECTROPLATED COATINGS
DIN 962 : 2013 BOLTS, SCREWS, STUDS AND NUTS - DESIGNATIONS, TYPES AND FINISHES
DIN 7604 : 2016 HEXAGON HEAD SCREW PLUGS - LIGHT TYPE - CYLINDRICAL THREAD
DIN EN ISO 10683 : 2016 FASTENERS - NON-ELECTROLYTICALLY APPLIED ZINC FLAKE COATINGS (ISO 10683:2014)
DIN 13-6 : 1999 ISO GENERAL PURPOSE METRIC SCREW THREADS - PART 6: NOMINAL SIZES FOR 1,5 MM FINE PITCH THREADS - NOMINAL DIAMETER FROM 12 MM TO 300 MM
DIN 3852-2 : 2014 STUD ENDS AND PORTS OF FITTINGS, VALVES AND PLUG SCREWS - PART 2: DIMENSIONS FOR PIPE THREAD
DIN 34824 : 2007 12 POINT SOCKET FOR BOLTS AND SCREWS
DIN 906 : 2012 INTERNAL DRIVE PIPE PLUGS - CONICAL THREAD






