{"product_id":"screw-with-lock-washer-for-circuit-breaker","title":"Screw with Lock Washer for Circuit Breaker","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0616\/9732\/7179\/files\/082f1e1e-95e9-4ea6-92e5-c6fa2e226966.jpg?v=1781925841\" alt=\"\"\u003eHeavy-duty lock screw lugs designed for secure bolt-on connections to circuit breakers. These lugs provide reliable electrical contact and mechanical stability for power distribution applications. Engineered to prevent loosening under vibration and thermal cycling, ensuring safe and dependable performance in industrial and commercial electrical systems. Compatible with standard breaker terminals and available in multiple wire gauge sizes to match your installation requirements.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv class=\"markdown markdown-main-panel tutor-markdown-rendering enable-luminous-fast-follows stronger enable-updated-hr-color\" id=\"model-response-message-contentr_3e3f5161734a1661\" dir=\"ltr\"\u003e\n\u003cp\u003eA precision-engineered industrial fastener designed specifically for the secure mechanical and electrical termination of wires within a circuit breaker. This specialized screw assembly features an integrated, free-spinning lock washer—typically a split-ring or external tooth design—that stays permanently attached to the screw shank to prevent accidental drops during tight panel installations.\u003c\/p\u003e\n\u003cp\u003eEngineered to handle high-vibration environments, the lock washer applies continuous spring tension against the screw head and the breaker terminal plate. This biting action prevents the screw from backing out due to thermal expansion and contraction cycles caused by fluctuating electrical currents or mechanical vibration from nearby machinery. By maintaining a constant, high-pressure clamping force, it ensures a tight, low-resistance electrical connection, which eliminates micro-arcing, reduces heat buildup, and prevents premature breaker failure.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-tensile steel or heavy-duty brass and coated with a corrosion-resistant zinc, nickel, or tin plating, these terminal screws deliver excellent electrical conductivity and resistance to oxidation. They feature a versatile combo drive head—accommodating both Phillips and slotted screwdrivers—allowing installers to apply maximum torque safely. Perfect for replacing worn, stripped, or lost terminal hardware on Circuit Breakers and contactors, this screw with lock washer is essential for maintaining the long-term safety and reliability of your power distribution system. You can buy it at electx electrical supply.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"China","offers":[{"title":"Default Title","offer_id":42712286199883,"sku":"LOCKSCREWBR","price":50.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/9732\/7179\/files\/ScrewwithLockWasherforCircuitBreakerElectxElectricalSupply.jpg?v=1782033382","url":"https:\/\/electxelectrical.myshopify.com\/products\/screw-with-lock-washer-for-circuit-breaker","provider":"Electx Electrical Supply","version":"1.0","type":"link"}