Phase 1 — reference & identification only. No shop, no accounts.

Fasteners

Browse by part, not by number: 10 categories, each split into product types.

BoltsHex bolts, carriage bolts, flange bolts, U-bolts, eye bolts.50 standards · 15 types ScrewsSocket head cap screws, countersunk screws, set screws, machine screws, self-tapping screws, wood screws.111 standards · 15 types NutsHex nuts, lock nuts (nylon insert), flange nuts, cap/dome nuts, wing nuts, castle nuts, weld nuts.61 standards · 17 types WashersPlain washers, spring lock washers, serrated/tooth lock washers, fender washers, conical spring washers.51 standards · 14 types PinsSplit pins / cotter pins, dowel pins, spring (roll) pins, taper pins, clevis pins, R-clips.44 standards · 7 types Retaining ringsExternal and internal circlips, E-clips.10 standards · 5 types Studs & threaded rodsStud bolts, fully threaded rods.6 standards · 2 types Anchors & rivetsBlind rivets, solid rivets, expansion anchors.19 standards · 5 types KeysParallel keys, Woodruff keys.3 standards · 3 types Hardware & accessoriesTurnbuckles, hose clamps, wire rope clips, thimbles, grease nipples, thread inserts, hex keys, handles.30 standards · 11 types

Help verify the next 50 standards.

Every dimension needs a traceable source. Contribute photos, drawings or verified data.