Engineering Tools
Reference data for specifying and sourcing fasteners correctly — the numbers a procurement or design engineer actually needs.
DIN / ISO standard datasheets
Dimensional reference for every fastener standard we support in the Weight Calculator. Standards marked approximated use a derived formula rather than an exact published table — see each page for detail.
Bolts & screws
Hexagon head bolt, full thread
ISO 4017 · IS 1364
Hexagon head bolt, partial thread
ISO 4014 · IS 1364
Socket head cap screw (Allen bolt)
ISO 4762 · IS 2269
Countersunk socket screw
ISO 10642
Grub / set screw (cup point)
ISO 4029
Threaded rod / stud
ISO 8991
Pan head machine screw (cross recess)
ISO 7045
Countersunk head machine screw (cross recess)
ISO 7046
Grub screw, flat point
ISO 4026
Grub screw, cone point
ISO 4027
Grub screw, dog point
ISO 4028
Carriage bolt
ISO 8677
Flange bolt
ISO 4162
Button head socket screw
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Nuts
Hexagon nut
ISO 4032 · IS 1364 (Pt.3)
Thin / jam nut
ISO 4035
Square nut
ISO 4034
Dome cap / acorn nut
ISO 4032 (domed variant)
Nylon insert lock nut (nyloc)
ISO 10511
Flange nut
ISO 4161
Washers
Flat washer
ISO 7089 · IS 2016
Large series flat washer
ISO 7093
Spring washer
ISO 7980 · IS 3063
Retaining Rings
External retaining ring (shaft circlip)
ISO 464
Internal retaining ring (bore circlip)
ISO 463
Key Stock & Rod
Parallel key (key stock)
ISO 773
Steel round bar (drill rod stock)
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