BS ISO 1891:2009
Current
The latest, up-to-date edition.
Fasteners. Terminology
Hardcopy , PDF
English
31-03-2009
Foreword
1 Scope
2 Screw threads
3 Features of externally threaded fasteners
3.1 Head shapes
3.2 Forms of shank
3.3 Ends of externally threaded fasteners
3.4 Driving features
4 Externally threaded fasteners
4.1 Bolts and screws with ISO metric thread
4.1.1 Bolts and screws with external driving feature
4.1.2 Bolts and screws with internal driving feature
4.1.3 Slotted head screws
4.1.4 Cross recessed head screws
4.1.5 Screws with captive components (screw and
washer assemblies)
4.1.6 Round head bolts
4.1.7 Countersunk head bolts
4.1.8 Miscellaneous bolts and screws
4.2 Tapping screws
4.3 Tapping screws with captive components (tapping screw
and washer assemblies)
4.4 Drilling screws
4.5 Thread rolling (thread forming) screws
4.6 Thread cutting screws
4.7 Wood screws
4.8 Studs
4.9 Set screws and headless screws
4.10 Screw plugs
5 Nuts
5.1 Nuts with external driving feature
5.2 Prevailing torque-type nuts
5.3 Weld nuts
5.4 Round nuts
5.5 Miscellaneous nuts
6 Washers
6.1 Plain washers
6.2 Taper washers
6.3 Spring washers
6.4 Lock washers
6.5 Tab washers
7 Pins
7.1 Parallel pins
7.2 Clevis pins
7.3 Taper pins
7.4 Grooved pins
7.5 Spring-type straight pins
7.6 Split pins
8 Blind rivets
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