Enhance your fastening process with our Fast Lead Screw Retainer. Designed for frequent access applications, this innovative solution combines the efficiency of a quarter-turn fastener with the strength of a captive screw. The modified Acme thread ensures quick and easy engagement, while providing a secure grip. Crafted from durable stainless steel and passivated for extra protection, this large-sized retainer guarantees reliable performance. Upgrade to this versatile tool for effortless and precise assembly every time.