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Fastener Standards & Information
The chart below gives a cross reference for the DIN, ISO and BS Standards for various fastener types.
FASTENER STANDARDS CROSS REFERENCE CHART
| BRITISH STANDARD | DIN STANDARD | ISO STANDARD | TYPE OF FASTENER |
|---|---|---|---|
| BS EN ISO4026 | DIN913 | ISO4026 | Hex Socket Setscrew Flat point |
| BS EN ISO4027 | DIN914 | ISO4027 | Hex Socket Setscrew Cone point |
| BS EN ISO4028 | DIN915 | ISO4028 | Hex Socket Setscrew Dog point |
| BS EN ISO4029 | DIN916 | ISO4029 | Hex Socket Setscrew Plain Cup point |
| BS3692 | DIN931 | ISO4014 | Hexagon head bolt - part threaded |
| BS3692 | DIN933 | ISO4017 | Hexagon head setscrew - fully threaded |
| BS3692 | DIN934 | ISO4032 | Hexagon Full Nut |
| BS3692 | DIN439/936 | ISO4035 | Hexagon Lock Nut |
| BS4168 | DIN912 | ISO4762 | Hex Socket Cap |
| BS4168 | N/A | ISO7380 | Hex Socket Button |
| BS4168 | DIN7991 | ISO10642 | Hex Socket Countersunk |
| BS4174 AB | DIN7981CZ | ISO7049CZ | Self tapping pan recess pointed |
| BS4174 AB | DIN7982CZ | ISO7050CZ | Self tapping csk recess pointed |
| BS4174 AB | DIN7983CZ | ISO7051CZ | Self tapping raised csk recess pointed |
| BS4174 AB | N/A | N/A | Self tapping Flange recess pointed |
| BS4174 B | DIN7981FZ | ISO7049FZ | Self tapping pan recess blunt |
| BS4174 B | DIN7982FZ | ISO7050FZ | Self tapping csk recess blunt |
| BS4174 B | N/A | N/A | Self tapping Flange recess blunt |
| BS4174 B | DIN7971F | ISO1481F | Self tapping pan slotted blunt |
| BS4174 B | DIN7972F | ISO1482F | Self tapping csk slotted blunt |
| BS4174AB | DIN7971C | ISO1481C | Self tapping pan slotted pointed |
| BS4174AB | DIN7972C | ISO1482C | Self tapping csk slotted pointed |
| BS4174AB | DIN7983C | ISO1483C | Self tapping raised csk slotted pointed |
| BS4183 | DIN7985 | ISO7045 | Pan recess machine screw |
| BS4183 | DIN85 | ISO1580 | Pan slotted machine screw |
| BS4183 | DIN965 | ISO7046 | Countersunk recess machine screw |
| BS4183 | DIN963 | ISO2009 | Countersunk slotted machine screw |
| BS4183 | DIN84 | ISO1207 | Cheese Slotted machine screw |
| BS4183 | DIN966 | ISO7047 | Raised Csk Recess machine screw |
| BS4183 | DIN964 | ISO2010 | Raised Csk Slotted machine screw |
| BS4464A | DIN7980 | N/A | Square sect. single coil spring washer |
| BS4464B | DIN127 | N/A | Rectangular sect. single coil spring washer |
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