uxcell 3mm Fitting Dia Carbon Steel Compressed Type Curved Spring Washer 500pcs
- Curved spring washer resist loosening through vibration rely on elastic force..
- Carbon steel providing good strength, hardness and abrasion performance..
- Washers are normally used to distribute loads of threaded bolts, screws and nuts evenly as the fastener is tightened..
- Intended for the general use under the head of a bolt or nut..