Borrelly Spring Washers is a European leader in designing and manufacturing wave washer, wave spring, Belleville disc spring and spiral retaining rings. Our core business is to engineer and manufacture the spring the customer requires. Check our online engineering development on www.borrelly.com Have a look on our large product line and engineering services: Borrelly Ondulée → wave washer Borrelly Ondufil™ → wave spring Borrelly Belleville → disc spring Borrelly 360™ → spiral retaining ring ROB™ → Rondelle Optimisée Belleville Borrelly Anneaux élastiques → wavy ribbon