Anchor nuts & rivet nuts

Elastic-Insert Two-Lug Anchor Nuts (AN366F, MS21078)

Two-lug nut plates with an elastic (fiber) locking insert, in two threads.

Where to buy

AmericaDistributor coming soonOur partner for this region is on its way

EuropeDistributor coming soonOur partner for this region is on its way

OceaniaDistributor coming soonOur partner for this region is on its way

AmericaMore distributors coming soon

EuropeMore distributors coming soon

OceaniaMore distributors coming soon

Only two sizes are listed. The all-metal K1000 covers the full thread range and higher temperatures.

Drill the two rivet holes with a jig: anchor nut jigs at a distributor list the hole spacing per screw size, A distributor's jig set the US option.

Parts	MS21078-06 (6-32), AN366F-1032A (10-32)
Locking	Elastic insert

Source: a distributor's listing, checked 2026-09-30.

Sizes listed 2 rows

Material	PN	Thread Size
Elastic Insert MS21078-06	MS21078-06	6-32
Elastic Insert	AN366F-1032A	10-32

Where can I buy the Two Lug Elastic Insert Anchor Nuts AN366F?

A distributor we checked lists it in the Americas. The link to its page, with the live price and stock, opens when the partnership does.

Two Lug Elastic Insert Anchor Nuts AN366FWhere to buy