An anvil assembly for use with a surgical stapling instrument includes an anvil plate and an anvil cover each being fabricated from a thermoplastic material. The anvil plate includes a first surface and a second surface opposite the first surface. The first surface has a plurality of beads disposed along a periphery thereof. The anvil cover is configured to be coupled to a distal end of the surgical stapling instrument. The anvil cover includes a surface having at least one elongate surface feature disposed along a periphery thereof. The beads of the anvil plate and the elongate surface feature of the anvil cover are configured for abutting engagement upon assembly thereof.