8mm Belleville Spring Washers 4.2mm Inner 0.4mm Thick Copper Tone DIN2093 25 Pcs
✔️ Outer 8mm, inner 4.2mm, thickness 0.4mm, DIN2093 discs
These copper-tone Belleville disc springs are conical washers designed to deliver high clamping force in a compact axial space. Used in machinery like presses, aircraft components, and heavy equipment, they can be installed singly or stacked to tune load and deflection. Each pack contains 25 pieces made from 60Si2MnA steel and finished with phosphoric acid treatment and lubricating oil for corrosion resistance.
✅ Outer diameter 8mm / 0.32", inner diameter 4.2mm / 0.17", thickness 0.4mm / 0.016"
✅ Material: 60Si2MnA steel, DIN2093 compliant
✅ Surface treatment: phosphoric acid, lubricating oil for corrosion resistance
✅ Pack size: 25 pieces per pack
✅ Applications: axial compression springs in presses, heavy machinery, and aircraft
💡 What is a Belleville disc spring used for in mechanical assemblies? A handy component that delivers high preload in tight spaces and can be stacked to tailor stiffness. - Handy for axial load support in compact spaces - Used in presses, aircraft, and heavy machinery - Can be used singly or in stacks to tailor deflection and preload