NW quarter‑turn screws—also called quarter‑turn fasteners or quarter‑turn panel fasteners—are designed for quick access and repeatable panel retention in industrial equipment (application dependent). With a simple quarter-turn action, these fasteners allow covers, guards, and access panels to be opened and secured faster than traditional screws, making them a common choice for maintenance points and frequently accessed enclosures. They’re often used in machine guarding, electrical panels, fixtures, and equipment housings where speed and consistency matter.

Chamfered Corners for Quick Alignment - 90° Release - Northwestern Tools quarter turn screws feature chamfered corners that quickly align the screw with slots in lids, covers, and plates. With just a quarter turn (90 degrees), these quick-release fasteners provide secure attachment and rapid removal for applications requiring frequent access. Available in soft configuration for softer parent materials and hard (heat-treated) configuration for demanding applications with harder materials. Black oxide finish provides corrosion protection and professional appearance.