S-91745A587 5/16"-18 x 1 1/2" Thumb Screws

Key Features & Benefits at a Glance

• Tool-free installation with a comfortable 7/8" spade head for quick manual tightening and removal in tight spaces
• Superior corrosion resistance from 18-8 stainless steel construction, ideal for humid or chemically exposed environments
• Reliable coarse UNC threading ensures fast engagement and reduced cross-threading in industrial assemblies
• Precise Class 2A thread fit provides consistent performance and secure fastening without binding
• Full 1-1/2" threading offers maximum grip length for versatile applications and adjustable positioning
• Compliance with RoHS 3 and REACH guarantees safe, environmentally responsible materials for regulated industries
• Durable right-hand thread design delivers long-lasting performance under repeated use without tools

Professional Applications & Engineering Value

This 5/16"-18 spade head thumb screw in 18-8 stainless steel addresses common industrial challenges where speed, accessibility, and corrosion resistance are critical. The fully threaded UNC coarse design allows for rapid installation in equipment panels, electrical enclosures, and machinery guards without specialized tools, reducing maintenance downtime. The spade head shape provides ample surface area for secure grip, even with gloves, while the stainless steel material prevents rust in demanding environments like marine, food processing, or outdoor applications. Its 1-1/2" length and Class 2A thread fit ensure reliable clamping force and vibration resistance, making it a go-to tool-free fastener for prototyping, assembly lines, and field service.

Specification Summary & Compliance

This thumb screw features a 5/16"-18 UNC coarse thread with Class 2A tolerance for consistent fit and performance. It is fully threaded with a right-hand direction and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance standards, ensuring environmental safety and regulatory adherence for industrial use.