A coned disc spring deflects to deliver high spring force in a compact height; stacked in series or parallel to tune deflection and load, and to maintain bolt preload through thermal cycling.
Conforms to

Conical disc spring delivers high load in a small stack.
A cross-section of stocked configurations. Not exhaustive — diameters, lengths, grades, and finishes extend across the full range on request.
Representative specifications — not exhaustive · NXB-BEL
Match the line to the load, the environment, and the standard it answers to.
Materials
Finishes
Standards
Typical applications
Served industries
Mating parts and adjacent lines engineers reach for alongside this one.
Wave or curved form maintains preload through movement.
M3–M24 · #6–1"
Sprung helical ring digs in to resist vibration loosening.
M3–M30 · #6–1-1/4"
Spreads clamp load and protects the bearing surface.
M3–M36 · #6–1-1/2"
Grade 8 / 10.9 / 12.9 for maximum clamp load.
M8–M36 · 3/8"–1-1/2"
Grade, material, finish, and standard — matched to your joint and quoted from stock. Tell us the load case and we’ll confirm the line.