Aeronautical standard fasteners

Fasteners and attachment parts with hexagonal head

– Standard, without locking hole: NFL 22 208, EN2887, EN2938
– Standard, with locking hole: NFL 22 209, EN3112, EN3308
– With shank without locking hole: NFL 22 125, EN2859, EN4129, EN3052
– With shank with locking hole: NFL 22 126, EN2889, EN3820
– With ground shank, without locking hole: NFL 22 201
– With ground shank, with locking hole: NFL 22 202
– With shank and without locking hole : NFL 22 129

Fasteners and bolts with hexagonal socket head

– Standard, without locking hole: NFL 22 225
– Standard, with locking hole: NFL 22 224
– With shank, without locking hole: NFL 22 221, L22 223, EN3303
– With shank, with locking hole: NFL 22 220, L22 222

Fasteners and bolts with countersunk cross-head

Fasteners and attachment parts with various head shapes (slot, cross, torx, hexagonal socket head) with or without shanks.

– With shank: NFL 22 251, L22 252, L22 257, L22 258
– Standard: NFL 22 256, L22 259

Machined Fastener and attachment parts with cylindrical and slotted head

– Cylindrical slotted head: NFL 22 293, EN2649, EN2650
– Countersunk slotted head : NFL 22 291, L22 292, EN2652
– Cylindrical slotted head domned: NFL 22 294
– Cylindrical slotted head, with hole: NFL 22 296
– Cylindrical hexagonal socket head: NFL 22 298

Attachment pins /bolts

– Threaded threaded shaft: NFL 22 731, EN3740
– Threaded shaft not drilled: NFL 22 733
– Lightened threaded shaft: NFL 22 732
– Smooth shaft with pin hole: NFL 22 719, EN2364

Aerospace nuts

– Hexagonal nut: NFL 22 431 à L22 439 NFL 22 441 à L22 443 NFL22 461, L22 462, EN2852, EN2895
– Castle nut: NFL 22 451, L22 453, L22 455, L22 457