A machine screw and free-spinning lock-washer manufactured as one assembly.
The washer/screw assembly makes this a locking screw with the washer providing the locking action. Machine pre-assembly provides cost savings to the end user. Provides a higher retained clamp load & improved compensation for thermal cycling and vibration. Can accept a high tension load and maintain spring action. The washer design makes for better control during installation, and improved tool bit life. Ideal for clamping fragile materials and for spanning large clearance holes.
Clearance pricing is limited to current inventory in-stock. No backorders will be accepted at clearance price. Call 1-866-501-9504 for a quote.