3/8" Belleville Washer - A Zinc Plated Belleville Washer that resists vibration and temperature cycling for critical equipment terminations.3/8" Belleville Washers features include: Belleville Washer features conical pressure locking design Zinc Plated Order Qty of 100 = 1 Box of 100 Pieces Below is more info on our 3/8" Belleville Washers