DIN · ISO · EN REFERENCE
Know your fastener,
in any language.
A single, well-structured knowledge base for bolts, nuts, washers and pins — organized by DIN, ISO and EN standards, with dimensions, photos and cross-references between equivalent parts.
Four ways to find a part
However you arrive at a fastener — a code stamped on the part, a spec sheet, or just a photo — the same search gets you there.
By standard number
Type DIN 125, din125 or ISO 7089 — even just 125.
By properties
Choose Nut → Hex → M10 and see every matching standard and size.
By picture
Browse a visual catalog of shapes when you don't know the part's name.
By name, in any language
Search common names — "split pin", "Splint", "اشپیل", "cotter pin".
Browse by category
Nine categories today, from bolts to retaining rings.
Bolts & Screws
Hex bolts, carriage bolts, flange bolts, U-bolts, eye bolts — Socket head cap screws, countersunk screws, set screws, machine screws, self-tapping screws, wood screws
Nuts
Hex nuts, lock nuts (nylon insert), flange nuts, cap/dome nuts, wing nuts, castle nuts, weld nuts
Washers
Plain washers, spring lock washers, serrated/tooth lock washers, fender washers, conical spring washers
Pins & Retaining rings
Split pins / cotter pins, dowel pins, spring (roll) pins, taper pins, clevis pins, R-clips — External and internal circlips, E-clips
Studs & threaded rods
Stud bolts, fully threaded rods
+3 more
Anchors & rivets, Keys, Hardware & accessories
Popular standards
Each entry cross-references its DIN and ISO equivalents, so you can see at a glance what replaced what.
DIN
ISO
PART
CATEGORY
DIN 931
ISO 4014
Hexagon head bolts, partially threaded
Bolts
→
DIN 933
ISO 4017
Hexagon head screws, fully threaded
Bolts
→
DIN 912
ISO 4762
Hexagon socket head cap screws
Screws
→
DIN 7991
ISO 10642
Hexagon socket countersunk head screws
Screws
→
DIN 934
ISO 4032
Hexagon nuts
Nuts
→
DIN 985
ISO 10511
Prevailing torque hexagon thin nuts with non-metallic (nylon) insert
Nuts
→
DIN 125
ISO 7089
Plain washers, form A (without chamfer)
Washers
→
DIN 94
ISO 1234
Split pins (cotter pins)
Pins
→
DIN 6325
ISO 8734
Parallel pins, hardened (tolerance m6)
Pins
→
DIN 1481
ISO 8752
Spring pins (slotted), heavy duty
Pins
→
DIN 471
—
Retaining rings for shafts (external circlips)
Retaining rings
→
DIN 472
—
Retaining rings for bores (internal circlips)
Retaining rings
→
MULTILINGUAL BY DESIGN
Built for engineers, technicians and buyers everywhere.
Every language keeps its own URL prefix. Persian and Arabic get a fully mirrored, right-to-left layout — while standard numbers and thread sizes like M10 × 1.5 stay left-to-right and searchable.
DIN 934 · Hex nut✓ verified
enHexagon nut
deSechskantmutter
faمهره ششگوش