screws

Detailed overview

The changes in dimensions caused by the changes in the standards are shown below. For the sake of clarity, the changed values are emphasized. All data in mm.

Hexagon head screws and nuts

New key sizes for

DIN 439, 557, 562, 917, 931, 933, 934, 935, 979, 980, 982, 985, 986, 1587, 6330, 6331, 6923 ISO 4014, 4017, 4032, 4035, 4161, 7040, 7042, 8673, 8675, 10511 EN 1661

massänderung 1

"e"-corner

The changed key sizes means that the corner width "e" has also changed

massänderung 2

Nut height changes

Hexagon thin nuts (regular thread ) DIN 439 - ISO 4035: no alterations

Hexagon nuts DIN 934 - ISO 4032/8673

- = dimensions not defined in relevant standard

massänderung 3

massänderung 4

Prevailing torque type hexagon nuts, low type DIN 980 - ISO 7042

massänderung 5

Prevailing torque type hexagon nuts, non-metallic insert DIN 982 - ISO 7040

massänderung 6

Prevailing torque type hexagon nuts, low type DIN 985 - ISO 10511

massänderung 7

Metric and tapping screws

Changed head dimensions for

Slotted cheese head screws ISO 1207 - DIN 84

massänderung 8

Tapping screws with hexagon head ISO 1479 - DIN 7976

- = dimensions not defined in relevant standard

massänderung 9

Slotted pan head screws

Metric screws ISO 1580 - DIN 85

massänderung 10

Tapping screws ISO 1481 - DIN 7971

massänderung 11

Cross recessed pan head screws

Metric screws ISO 7045, 14583 - DIN 7985

massänderung 12

Tapping screws ISO 7049 - DIN 7981

- = dimensions not defined in relevant standard

massänderung 13

Cross recessed and slotted pan head screws

Metric screws ISO 2009, 2010, 7046, 7047 - DIN 963, 964, 965, 966

massänderung 14

Tapping screws ISO 1482, 1483, 7050, 7051 - DIN 7972, 7973, 7982, 7983

massänderung 15

Socket countersunk screws

Countersunk screws ISO 10642 - DIN 7991

- = dimensions not defined in relevant standard

massänderung 16